first commit

wp-includes/blocks/accordion.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * Server-side rendering of the `core/accordion` block.
+ *
+ * @package WordPress
+ * @since 6.9.0
+ *
+ * @param array $attributes The block attributes.
+ * @param string $content The block content.
+ *
+ * @return string Returns the updated markup.
+ */
+function render_block_core_accordion( $attributes, $content ) {
+	if ( ! $content ) {
+		return $content;
+	}
+
+	$p         = new WP_HTML_Tag_Processor( $content );
+	$autoclose = $attributes['autoclose'] ? 'true' : 'false';
+
+	if ( $p->next_tag( array( 'class_name' => 'wp-block-accordion' ) ) ) {
+		$p->set_attribute( 'data-wp-interactive', 'core/accordion' );
+		$p->set_attribute( 'data-wp-context', '{ "autoclose": ' . $autoclose . ', "accordionItems": [] }' );
+
+		// Only modify content if directives have been set.
+		$content = $p->get_updated_html();
+	}
+
+	return $content;
+}
+
+/**
+ * Registers the `core/accordion` block on server.
+ *
+ * @since 6.9.0
+ */
+function register_block_core_accordion() {
+	register_block_type_from_metadata(
+		__DIR__ . '/accordion',
+		array(
+			'render_callback' => 'render_block_core_accordion',
+		)
+	);
+}
+add_action( 'init', 'register_block_core_accordion' );