--TEST-- Test gzdeflate() function : error conditions --SKIPIF-- --FILE-- getMessage() . \PHP_EOL; } echo "\n-- Testing with incorrect encoding --\n"; $level = 2; $bad_encoding = 99; try { var_dump(gzdeflate($data, $level, $bad_encoding)); } catch (\ValueError $e) { echo $e->getMessage() . \PHP_EOL; } ?> --EXPECT-- *** Testing gzdeflate() : error conditions *** -- Testing with incorrect compression level -- gzdeflate(): Argument #2 ($level) must be between -1 and 9 -- Testing with incorrect encoding -- gzdeflate(): Argument #3 ($encoding) must be one of ZLIB_ENCODING_RAW, ZLIB_ENCODING_GZIP, or ZLIB_ENCODING_DEFLATE