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render_block_core_file › WordPress Function

Sincen/a
Deprecatedn/a
render_block_core_file ( $attributes, $content )
Parameters: (2)
  • (array) $attributes The block attributes.
    Required: Yes
  • (string) $content The block content.
    Required: Yes
Returns:
  • (string) Returns the block content.
Defined at:
Codex:

When the `core/file` block is rendering, check if we need to enqueue the `'wp-block-file-view` script.



Source

function render_block_core_file( $attributes, $content ) {
	$should_load_view_script = ! empty( $attributes['displayPreview'] ) && ! wp_script_is( 'wp-block-file-view' );
	if ( $should_load_view_script ) {
		wp_enqueue_script( 'wp-block-file-view' );
	}

	// Update object's aria-label attribute if present in block HTML.

	// Match an aria-label attribute from an object tag.
	$pattern = '@<object.+(?<attribute>aria-label="(?<filename>[^"]+)?")@i';
	$content = preg_replace_callback(
		$pattern,
		function ( $matches ) {
			$filename     = ! empty( $matches['filename'] ) ? $matches['filename'] : '';
			$has_filename = ! empty( $filename ) && 'PDF embed' !== $filename;
			$label        = $has_filename ?
				sprintf(
					/* translators: %s: filename. */
					__( 'Embed of %s.' ),
					$filename
				)
				: __( 'PDF embed' );

			return str_replace( $matches['attribute'], sprintf( 'aria-label="%s"', $label ), $matches[0] );
		},
		$content
	);

	return $content;
}