Finds the collection path for a given file or folder.

Parameters

$file_or_folderstringrequired

The path to the file or folder.

Return

Source

private static function find_collection_path( $file_or_folder ) {
	if ( empty( $file_or_folder ) ) {
		return null;
	}

	// Check the last matched collection first, since block registration usually happens in batches per plugin or theme.
	$path = wp_normalize_path( rtrim( $file_or_folder, '/' ) );
	if ( self::$last_matched_collection && str_starts_with( $path, self::$last_matched_collection ) ) {
		return self::$last_matched_collection;
	}

	$collection_paths = array_keys( self::$collections );
	foreach ( $collection_paths as $collection_path ) {
		if ( str_starts_with( $path, $collection_path ) ) {
			self::$last_matched_collection = $collection_path;
			return $collection_path;
		}
	}
	return null;
}

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