1<?php
  2/**
  3 * Server-side rendering of the `core/accordion` block.
  4 *
  5 * @package WordPress
  6 * @since 6.9.0
  7 *
  8 * @param array $attributes The block attributes.
  9 * @param string $content The block content.
 10 *
 11 * @return string Returns the updated markup.
 12 */
 13function render_block_core_accordion( $attributes, $content ) {
 14	if ( ! $content ) {
 15		return $content;
 16	}
 17
 18	$p         = new WP_HTML_Tag_Processor( $content );
 19	$autoclose = $attributes['autoclose'] ? 'true' : 'false';
 20
 21	if ( $p->next_tag( array( 'class_name' => 'wp-block-accordion' ) ) ) {
 22		$p->set_attribute( 'data-wp-interactive', 'core/accordion' );
 23		$p->set_attribute( 'data-wp-context', '{ "autoclose": ' . $autoclose . ', "accordionItems": [] }' );
 24
 25		// Only modify content if directives have been set.
 26		$content = $p->get_updated_html();
 27	}
 28
 29	return $content;
 30}
 31
 32/**
 33 * Registers the `core/accordion` block on server.
 34 *
 35 * @since 6.9.0
 36 */
 37function register_block_core_accordion() {
 38	register_block_type_from_metadata(
 39		__DIR__ . '/accordion',
 40		array(
 41			'render_callback' => 'render_block_core_accordion',
 42		)
 43	);
 44}
 45add_action( 'init', 'register_block_core_accordion' );
 46