/**
* Decodes a lossy chunk header
- * @param string $header Header string
+ * @param string $header First few bytes of the header, expected to be at least 18 bytes long
* @return bool|array See WebPHandler::decodeHeader
*/
protected static function decodeLossyChunkHeader( $header ) {
/**
* Decodes a lossless chunk header
- * @param string $header Header string
+ * @param string $header First few bytes of the header, expected to be at least 13 bytes long
* @return bool|array See WebPHandler::decodeHeader
*/
public static function decodeLosslessChunkHeader( $header ) {
/**
* Decodes an extended chunk header
- * @param string $header Header string
+ * @param string $header First few bytes of the header, expected to be at least 18 bytes long
* @return bool|array See WebPHandler::decodeHeader
*/
public static function decodeExtendedChunkHeader( $header ) {