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PATH: home / leongomekf / www / wp-includes / blocks

<?php
/**
 * Server-side rendering of the `core/gallery` block.
 *
 * @package WordPress
 */

/**
 * Handles backwards compatibility for Gallery Blocks,
 * whose images feature a `data-id` attribute.
 *
 * Now that the Gallery Block contains inner Image Blocks,
 * we add a custom `data-id` attribute before rendering the gallery
 * so that the Image Block can pick it up in its render_callback.
 *
 * @param array $parsed_block The block being rendered.
 * @return array The migrated block object.
 */
function block_core_gallery_data_id_backcompatibility( $parsed_block ) {
	if ( 'core/gallery' === $parsed_block['blockName'] ) {
		foreach ( $parsed_block['innerBlocks'] as $key => $inner_block ) {
			if ( 'core/image' === $inner_block['blockName'] ) {
				if ( ! isset( $parsed_block['innerBlocks'][ $key ]['attrs']['data-id'] ) && isset( $inner_block['attrs']['id'] ) ) {
					$parsed_block['innerBlocks'][ $key ]['attrs']['data-id'] = esc_attr( $inner_block['attrs']['id'] );
				}
			}
		}
	}

return $parsed_block;
}

add_filter( 'render_block_data', 'block_core_gallery_data_id_backcompatibility' );

/**
 * Adds a style tag for the --wp--style--unstable-gallery-gap var.
 *
 * The Gallery block needs to recalculate Image block width based on
 * the current gap setting in order to maintain the number of flex columns
 * so a css var is added to allow this.
 *
 * @param array  $attributes Attributes of the block being rendered.
 * @param string $content Content of the block being rendered.
 * @return string The content of the block being rendered.
 */
function block_core_gallery_render( $attributes, $content ) {
	$gap = _wp_array_get( $attributes, array( 'style', 'spacing', 'blockGap' ) );
	// Skip if gap value contains unsupported characters.
	// Regex for CSS value borrowed from `safecss_filter_attr`, and used here
	// because we only want to match against the value, not the CSS attribute.
	if ( is_array( $gap ) ) {
		foreach ( $gap as $key => $value ) {
			// Make sure $value is a string to avoid PHP 8.1 deprecation error in preg_match() when the value is null.
			$value = is_string( $value ) ? $value : '';
			$value = $value && preg_match( '%[\\\(&=}]|/\*%', $value ) ? null : $value;

// Get spacing CSS variable from preset value if provided.
			if ( is_string( $value ) && str_contains( $value, 'var:preset|spacing|' ) ) {
				$index_to_splice = strrpos( $value, '|' ) + 1;
				$slug            = _wp_to_kebab_case( substr( $value, $index_to_splice ) );
				$value           = "var(--wp--preset--spacing--$slug)";
			}

$gap[ $key ] = $value;
		}
	} else {
		// Make sure $gap is a string to avoid PHP 8.1 deprecation error in preg_match() when the value is null.
		$gap = is_string( $gap ) ? $gap : '';
		$gap = $gap && preg_match( '%[\\\(&=}]|/\*%', $gap ) ? null : $gap;

// Get spacing CSS variable from preset value if provided.
		if ( is_string( $gap ) && str_contains( $gap, 'var:preset|spacing|' ) ) {
			$index_to_splice = strrpos( $gap, '|' ) + 1;
			$slug            = _wp_to_kebab_case( substr( $gap, $index_to_splice ) );
			$gap             = "var(--wp--preset--spacing--$slug)";
		}
	}

$class   = wp_unique_id( 'wp-block-gallery-' );
	$content = preg_replace(
		'/' . preg_quote( 'class="', '/' ) . '/',
		'class="' . $class . ' ',
		$content,
		1
	);

// --gallery-block--gutter-size is deprecated. --wp--style--gallery-gap-default should be used by themes that want to set a default
	// gap on the gallery.
	$fallback_gap = 'var( --wp--style--gallery-gap-default, var( --gallery-block--gutter-size, var( --wp--style--block-gap, 0.5em ) ) )';
	$gap_value    = $gap ? $gap : $fallback_gap;
	$gap_column   = $gap_value;

if ( is_array( $gap_value ) ) {
		$gap_row    = isset( $gap_value['top'] ) ? $gap_value['top'] : $fallback_gap;
		$gap_column = isset( $gap_value['left'] ) ? $gap_value['left'] : $fallback_gap;
		$gap_value  = $gap_row === $gap_column ? $gap_row : $gap_row . ' ' . $gap_column;
	}

// The unstable gallery gap calculation requires a real value (such as `0px`) and not `0`.
	if ( '0' === $gap_column ) {
		$gap_column = '0px';
	}

// Set the CSS variable to the column value, and the `gap` property to the combined gap value.
	$style = '.wp-block-gallery.' . $class . '{ --wp--style--unstable-gallery-gap: ' . $gap_column . '; gap: ' . $gap_value . '}';

wp_enqueue_block_support_styles( $style, 11 );
	return $content;
}
/**
 * Registers the `core/gallery` block on server.
 */
function register_block_core_gallery() {
	register_block_type_from_metadata(
		__DIR__ . '/gallery',
		array(
			'render_callback' => 'block_core_gallery_render',
		)
	);
}

add_action( 'init', 'register_block_core_gallery' );

[+] ..
[+] paragraph
[-] post-content.php [edit]
[-] query-title.php [edit]
[+] button
[-] comments-pagination-next.php [edit]
[+] html
[-] comments-pagination-numbers.php [edit]
[-] post-title.php [edit]
[-] comments.php [edit]
[+] missing
[-] image.php [edit]
[+] comments
[-] query-no-results.php [edit]
[-] blocks-json.php [edit]
[-] tag-cloud.php [edit]
[-] comment-template.php [edit]
[-] comments-title.php [edit]
[+] column
[+] post-author-biography
[+] template-part
[+] media-text
[+] latest-posts
[+] navigation-link
[+] site-logo
[+] block
[+] freeform
[-] block.php [edit]
[-] query-pagination.php [edit]
[-] loginout.php [edit]
[-] comments-pagination-previous.php [edit]
[+] latest-comments
[+] tag-cloud
[+] embed
[+] video
[+] post-content
[-] require-static-blocks.php [edit]
[+] query
[-] post-author.php [edit]
[+] code
[+] post-terms
[+] page-list
[-] query-pagination-next.php [edit]
[-] comment-edit-link.php [edit]
[+] term-description
[+] comment-author-name
[-] post-author-biography.php [edit]
[-] term-description.php [edit]
[+] preformatted
[-] gallery.php [edit]
[+] social-link
[-] home-link.php [edit]
[-] post-template.php [edit]
[+] query-title
[-] site-tagline.php [edit]
[-] comment-content.php [edit]
[-] pattern.php [edit]
[-] widget-group.php [edit]
[+] home-link
[+] read-more
[+] post-author
[+] search
[+] comment-content
[-] query-pagination-numbers.php [edit]
[-] post-date.php [edit]
[-] archives.php [edit]
[+] post-template
[+] comment-date
[+] query-no-results
[-] post-featured-image.php [edit]
[-] comments-pagination.php [edit]
[+] rss
[-] rss.php [edit]
[-] file.php [edit]
[+] comments-pagination-previous
[+] shortcode
[-] post-terms.php [edit]
[-] categories.php [edit]
[+] spacer
[-] post-excerpt.php [edit]
[-] query.php [edit]
[+] post-navigation-link
[-] template-part.php [edit]
[+] query-pagination-next
[+] archives
[-] post-comments-form.php [edit]
[+] gallery
[+] cover
[+] site-tagline
[+] list-item
[+] heading
[+] audio
[+] post-excerpt
[+] nextpage
[-] comment-author-name.php [edit]
[-] navigation-link.php [edit]
[-] comment-date.php [edit]
[+] legacy-widget
[+] navigation-submenu
[-] latest-posts.php [edit]
[+] calendar
[+] table
[+] query-pagination-numbers
[+] comments-pagination-numbers
[-] site-logo.php [edit]
[-] latest-comments.php [edit]
[-] read-more.php [edit]
[+] comment-edit-link
[-] legacy-widget.php [edit]
[+] quote
[+] loginout
[+] separator
[+] comment-template
[-] social-link.php [edit]
[+] verse
[+] query-pagination
[-] search.php [edit]
[-] require-dynamic-blocks.php [edit]
[-] site-title.php [edit]
[+] file
[+] site-title
[+] query-pagination-previous
[+] navigation
[-] shortcode.php [edit]
[+] list
[+] more
[-] comment-reply-link.php [edit]
[-] index.php [edit]
[-] avatar.php [edit]
[+] image
[-] post-navigation-link.php [edit]
[+] columns
[+] comments-title
[+] pullquote
[+] text-columns
[+] buttons
[+] avatar
[+] pattern
[+] comments-pagination-next
[+] comments-pagination
[+] post-date
[-] page-list.php [edit]
[+] group
[+] post-comments-form
[+] comment-reply-link
[+] categories
[-] navigation.php [edit]
[+] post-featured-image
[-] navigation-submenu.php [edit]
[-] query-pagination-previous.php [edit]
[+] social-links
[-] calendar.php [edit]
[+] widget-group
[-] cover.php [edit]
[+] post-title