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<?php /** * Blocks Utils * * Used by core components that need to work with blocks. * * @package WooCommerce\Blocks\Utils * @version 5.0.0 / defined( 'ABSPATH' ) \|\| exit; /* * Blocks Utility class. / class WC_Blocks_Utils { /* * Get blocks from a woocommerce page. * * @param string $woo_page_name A woocommerce page e.g. `checkout` or `cart`. * @return array Array of blocks as returned by parse_blocks(). / private static function get_all_blocks_from_page( $woo_page_name ) { $page_id = wc_get_page_id( $woo_page_name ); $page = get_post( $page_id ); if ( ! $page ) { return array(); } $blocks = parse_blocks( $page->post_content ); if ( ! $blocks ) { return array(); } return $blocks; } /* * Get all instances of the specified block on a specific woo page * (e.g. `cart` or `checkout` page). * * @param string $block_name The name (id) of a block, e.g. `woocommerce/cart`. * @param string $woo_page_name The woo page to search, e.g. `cart`. * @return array Array of blocks as returned by parse_blocks(). / public static function get_blocks_from_page( $block_name, $woo_page_name ) { $page_blocks = self::get_all_blocks_from_page( $woo_page_name ); // Get any instances of the specified block. return array_values( array_filter( $page_blocks, function ( $block ) use ( $block_name ) { return ( $block_name === $block['blockName'] ); } ) ); } /* * Check if a given page contains a particular block. * * @param int\|WP_Post $page Page post ID or post object. * @param string $block_name The name (id) of a block, e.g. `woocommerce/cart`. * @return bool Boolean value if the page contains the block or not. Null in case the page does not exist. */ public static function has_block_in_page( $page, $block_name ) { $page_to_check = get_post( $page ); if ( null === $page_to_check ) { return false; } $blocks = parse_blocks( $page_to_check->post_content ); foreach ( $blocks as $block ) { if ( $block_name === $block['blockName'] ) { return true; } } return false; } }