render_block_core_file( array $attributes, string $content ): string

19function render_block_core_file( $attributes, $content ) {20	// If it's interactive, enqueue the script module and add the directives.21	if ( ! empty( $attributes['displayPreview'] ) ) {22		wp_enqueue_script_module( '@wordpress/block-library/file/view' );23 24		$processor = new WP_HTML_Tag_Processor( $content );25		$processor->next_tag();26		$processor->set_attribute( 'data-wp-interactive', 'core/file' );27		$processor->next_tag( 'object' );28		$processor->set_attribute( 'data-wp-bind--hidden', '!state.hasPdfPreview' );29		$processor->set_attribute( 'hidden', true );30 31		$filename     = $processor->get_attribute( 'aria-label' );32		$has_filename = ! empty( $filename ) && 'PDF embed' !== $filename;33		$label        = $has_filename ? sprintf(34			/* translators: %s: filename. */35			__( 'Embed of %s.' ),36			$filename37		) : __( 'PDF embed' );38 39		// Update object's aria-label attribute if present in block HTML.40		// Match an aria-label attribute from an object tag.41		$processor->set_attribute( 'aria-label', $label );42 43		return $processor->get_updated_html();44	}45 46	return $content;47}