ZLIB_GET_CODING_TYPE(3) 1 ZLIB_GET_CODING_TYPE(3) zlib_get_coding_type - Returns the coding type used for output compressionSYNOPSISstring zlib_get_coding_type (void )DESCRIPTIONReturns the coding type used for output compression.RETURN VALUESPossible return values are gzip, deflate, or FALSE.SEE ALSOThe zlib.output_compression directive . PHP Documentation Group ZLIB_GET_CODING_TYPE(3)