<?php

/**

 * Pattern Overrides source for the Block Bindings.

 *

 * @since 6.5.0

 * @package WordPress

 * @subpackage Block Bindings

 */

/**

 * Gets value for the Pattern Overrides source.

 *

 * @since 6.5.0

 * @access private

 *

 * @param array    $source_args    Array containing source arguments used to look up the override value.

 *                                 Example: array( "key" => "foo" ).

 * @param WP_Block $block_instance The block instance.

 * @param string   $attribute_name The name of the target attribute.

 * @return mixed The value computed for the source.

 */

function _block_bindings_pattern_overrides_get_value( array $source_args, $block_instance, string $attribute_name ) {

	if ( empty( $block_instance->attributes['metadata']['name'] ) ) {

		return null;

	}

	$metadata_name = $block_instance->attributes['metadata']['name'];

	return _wp_array_get( $block_instance->context, array( 'pattern/overrides', $metadata_name, $attribute_name ), null );

}

/**

 * Registers Pattern Overrides source in the Block Bindings registry.

 *

 * @since 6.5.0

 * @access private

 */

function _register_block_bindings_pattern_overrides_source() {

	register_block_bindings_source(

		'core/pattern-overrides',

		array(

			'label'              => _x( 'Pattern Overrides', 'block bindings source' ),

			'get_value_callback' => '_block_bindings_pattern_overrides_get_value',

			'uses_context'       => array( 'pattern/overrides' ),

		)

	);

}

add_action( 'init', '_register_block_bindings_pattern_overrides_source' );