wp_render_dimensions_support() │ WP 6.5.0

Renders server-side dimensions styles to the block wrapper. This block support uses the render_block to ensure that it is also applied to non-server-rendered blocks.

No Hooks.

Returns

String. Filtered block content.

Usage

wp_render_dimensions_support( $block_content, $block );

$block_content(string) (required)

Rendered block content.

$block(array) (required)

Block object.

Changelog

wp_render_dimensions_support() wp render dimensions support code ^{WP 6.8.3}

function wp_render_dimensions_support( $block_content, $block ) {
	$block_type               = WP_Block_Type_Registry::get_instance()->get_registered( $block['blockName'] );
	$block_attributes         = ( isset( $block['attrs'] ) && is_array( $block['attrs'] ) ) ? $block['attrs'] : array();
	$has_aspect_ratio_support = block_has_support( $block_type, array( 'dimensions', 'aspectRatio' ), false );

	if (
		! $has_aspect_ratio_support ||
		wp_should_skip_block_supports_serialization( $block_type, 'dimensions', 'aspectRatio' )
	) {
		return $block_content;
	}

	$dimensions_block_styles                = array();
	$dimensions_block_styles['aspectRatio'] = $block_attributes['style']['dimensions']['aspectRatio'] ?? null;

	// To ensure the aspect ratio does not get overridden by `minHeight` unset any existing rule.
	if (
		isset( $dimensions_block_styles['aspectRatio'] )
	) {
		$dimensions_block_styles['minHeight'] = 'unset';
	} elseif (
		isset( $block_attributes['style']['dimensions']['minHeight'] ) ||
		isset( $block_attributes['minHeight'] )
	) {
		$dimensions_block_styles['aspectRatio'] = 'unset';
	}

	$styles = wp_style_engine_get_styles( array( 'dimensions' => $dimensions_block_styles ) );

	if ( ! empty( $styles['css'] ) ) {
		// Inject dimensions styles to the first element, presuming it's the wrapper, if it exists.
		$tags = new WP_HTML_Tag_Processor( $block_content );

		if ( $tags->next_tag() ) {
			$existing_style = $tags->get_attribute( 'style' );
			$updated_style  = '';

			if ( ! empty( $existing_style ) ) {
				$updated_style = $existing_style;
				if ( ! str_ends_with( $existing_style, ';' ) ) {
					$updated_style .= ';';
				}
			}

			$updated_style .= $styles['css'];
			$tags->set_attribute( 'style', $updated_style );

			if ( ! empty( $styles['classnames'] ) ) {
				foreach ( explode( ' ', $styles['classnames'] ) as $class_name ) {
					if (
						str_contains( $class_name, 'aspect-ratio' ) &&
						! isset( $block_attributes['style']['dimensions']['aspectRatio'] )
					) {
						continue;
					}
					$tags->add_class( $class_name );
				}
			}
		}

		return $tags->get_updated_html();
	}

	return $block_content;
}