Testing WP 6.7 Block Bindings stuff

demo-block-bindings.php

<?php
/**
 * Testing out WP 6.7 Block Bindings stuff.
 *
 * @see Block Bindings iteration for WordPress 6.7 #63018
 * @link https://github.com/WordPress/gutenberg/issues/63018
 *
 * @package demo-plugin
 */

/**
 * Testing out: Block bindings: UI for connecting bindings #62880
 *
 * @link https://github.com/WordPress/gutenberg/pull/62880
 */
function demo_register_meta() {
	register_meta(
		'post',
		'demo_image',
		array(
			'label'        => 'Demo Image', // #65099
			'show_in_rest' => true,
			'single'       => true,
			'type'         => 'string',
			'default'      => 'https://www.pokemon.com/static-assets/content-assets/cms2/img/pokedex/full/006.png',
		)
	);

	register_meta(
		'post',
		'demo_text',
		array(
			'label'        => 'Demo text', // #65099
			'show_in_rest' => true,
			'single'       => true,
			'type'         => 'string',
			'default'      => 'Demo text is wonderful.',
		)
	);
}
add_action( 'init', 'demo_register_meta' );

/**
 * Testing: Adds a filter to customize the output of a block bindings source. #6839
 * https://github.com/WordPress/wordpress-develop/pull/6839
 *
 * @param mixed $value The computed value for the source.
 * @param string $source_name The name of the source.
 * @param array $source_args Array containing source arguments used to look up the override value, i.e. { "key": "foo" }.
 *
 * @return mixed The value of the source.
 */
function filter_demo_text_meta_value( $value, $source_name, $source_args ) {
	if ( 'core/post-meta' !== $source_name ) {
		return $value;
	}
	if ( 'demo_text' !== $source_args['key'] ) {
		return $value;
	}
	return 'Demo text is wonderful. 🚀';
}
add_filter( 'block_bindings_source_value', 'filter_demo_text_meta_value', 10, 3 );