get_block_file_template( string $id, string $template_type = 'wp_template' ): WP_Block_Template|null

1297function get_block_file_template( $id, $template_type = 'wp_template' ) {1298	/**1299	 * Filters the block template object before the theme file discovery takes place.1300	 *1301	 * Return a non-null value to bypass the WordPress theme file discovery.1302	 *1303	 * @since 5.9.01304	 *1305	 * @param WP_Block_Template|null $block_template Return block template object to short-circuit the default query,1306	 *                                               or null to allow WP to run its normal queries.1307	 * @param string                 $id             Template unique identifier (example: 'theme_slug//template_slug').1308	 * @param string                 $template_type  Template type. Either 'wp_template' or 'wp_template_part'.1309	 */1310	$block_template = apply_filters( 'pre_get_block_file_template', null, $id, $template_type );1311	if ( ! is_null( $block_template ) ) {1312		return $block_template;1313	}1314 1315	$parts = explode( '//', $id, 2 );1316	if ( count( $parts ) < 2 ) {1317		/** This filter is documented in wp-includes/block-template-utils.php */1318		return apply_filters( 'get_block_file_template', null, $id, $template_type );1319	}1320	list( $theme, $slug ) = $parts;1321 1322	if ( get_stylesheet() === $theme ) {1323		$template_file = _get_block_template_file( $template_type, $slug );1324		if ( null !== $template_file ) {1325			$block_template = _build_block_template_result_from_file( $template_file, $template_type );1326 1327			/** This filter is documented in wp-includes/block-template-utils.php */1328			return apply_filters( 'get_block_file_template', $block_template, $id, $template_type );1329		}1330	}1331 1332	$block_template = WP_Block_Templates_Registry::get_instance()->get_by_slug( $slug );1333 1334	/**1335	 * Filters the block template object after it has been (potentially) fetched from the theme file.1336	 *1337	 * @since 5.9.01338	 *1339	 * @param WP_Block_Template|null $block_template The found block template, or null if there is none.1340	 * @param string                 $id             Template unique identifier (example: 'theme_slug//template_slug').1341	 * @param string                 $template_type  Template type. Either 'wp_template' or 'wp_template_part'.1342	 */1343	return apply_filters( 'get_block_file_template', $block_template, $id, $template_type );1344}