block_core_gallery_render()WP 1.0

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.

Хуков нет.

Возвращает

Строку. The content of the block being rendered.

Использование

block_core_gallery_render( $attributes, $content );
$attributes(массив) (обязательный)
Attributes of the block being rendered.
$content(строка) (обязательный)
Content of the block being rendered.

Код block_core_gallery_render() WP 6.0.2

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 ) {
			$gap[ $key ] = $value && preg_match( '%[\\\(&=}]|/\*%', $value ) ? null : $value;
		}
	} else {
		$gap = $gap && preg_match( '%[\\\(&=}]|/\*%', $gap ) ? null : $gap;
	}

	$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;
	}

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

	// Ideally styles should be loaded in the head, but blocks may be parsed
	// after that, so loading in the footer for now.
	// See https://core.trac.wordpress.org/ticket/53494.
	add_action(
		'wp_footer',
		function () use ( $style ) {
			echo '<style> ' . $style . '</style>';
		},
		11
	);
	return $content;
}