3v4l.org

run code in 300+ PHP versions simultaneously
<?php $kw = " asdsdfsdf as "; $pattern = var_export('/^((?![[:cntrl:]' . preg_quote(',!@%^*()={};~`<>?\|', '/') . ']).)*$/u')); var_dump($pattern); var_dump(preg_match($pattern, $kw));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.390.0230.05018.70
5.4.380.0230.05318.65
5.4.370.0130.07318.61
5.4.360.0200.07018.72
5.4.350.0200.06318.75
5.4.340.0170.06318.81
5.4.320.0430.04318.80
5.4.310.0270.07318.55
5.4.300.0200.06318.63
5.4.290.0230.06318.81
5.4.280.0170.05718.72
5.4.270.0330.04318.70
5.4.260.0170.07018.77
5.4.250.0130.06718.84
5.4.240.0170.06718.79
5.4.230.0100.06018.61
5.4.220.0230.06318.54
5.4.210.0300.05718.75
5.4.200.0100.07316.62
5.4.190.0130.05318.77
5.4.180.0130.07318.57
5.4.170.0230.05318.52
5.4.160.0170.06018.73
5.4.150.0200.07018.48
5.4.140.0300.05716.26
5.4.130.0170.06716.44
5.4.120.0170.06016.19
5.4.110.0100.05716.43
5.4.100.0270.04316.29
5.4.90.0070.07716.30
5.4.80.0130.05016.42
5.4.70.0270.05716.30
5.4.60.0230.05716.16
5.4.50.0130.05016.41
5.4.40.0070.06316.16
5.4.30.0130.05316.25
5.4.20.0130.05316.25
5.4.10.0200.05016.12
5.4.00.0170.05715.73
5.3.290.0300.06014.70
5.3.280.0200.06314.59
5.3.270.0200.06714.68
5.3.260.0070.06314.58
5.3.250.0270.05714.52
5.3.240.0200.05714.61
5.3.230.0100.05714.69
5.3.220.0230.04314.66
5.3.210.0130.06014.55
5.3.200.0170.05314.56
5.3.190.0100.06014.53
5.3.180.0070.06014.48
5.3.170.0170.05714.53
5.3.160.0230.04714.53
5.3.150.0200.04714.51
5.3.140.0100.05314.64
5.3.130.0130.07014.52
5.3.120.0200.07014.64
5.3.110.0200.05714.53
5.3.100.0030.07014.03
5.3.90.0130.07014.00
5.3.80.0100.07013.94
5.3.70.0170.05714.00
5.3.60.0130.07314.09
5.3.50.0200.06313.92
5.3.40.0170.06713.92
5.3.30.0070.05313.94
5.3.20.0070.05313.67
5.3.10.0170.04313.55
5.3.00.0230.04013.55
5.2.170.0130.04011.17
5.2.160.0130.03711.20
5.2.150.0130.04011.13
5.2.140.0100.04311.20
5.2.130.0070.04311.14
5.2.120.0100.04311.08
5.2.110.0170.04011.09
5.2.100.0100.04011.11
5.2.90.0130.04311.06
5.2.80.0070.05011.14
5.2.70.0070.05011.17
5.2.60.0200.04011.18
5.2.50.0130.04310.95
5.2.40.0100.04710.98
5.2.30.0230.04311.11
5.2.20.0130.03711.11
5.2.10.0170.04310.84
5.2.00.0130.04010.67
5.1.60.0130.03010.05
5.1.50.0100.04010.01
5.1.40.0130.04310.04
5.1.30.0200.04310.39
5.1.20.0170.04310.41
5.1.10.0100.04710.08
5.1.00.0070.03710.06
5.0.50.0030.0308.60
5.0.40.0070.0278.38
5.0.30.0100.0408.29
5.0.20.0130.0278.38
5.0.10.0070.0378.25
5.0.00.0100.0408.34
4.4.90.0070.0205.90
4.4.80.0070.0235.82
4.4.70.0000.0275.81
4.4.60.0000.0275.90
4.4.50.0030.0235.92
4.4.40.0000.0405.90
4.4.30.0070.0205.89
4.4.20.0070.0235.93
4.4.10.0100.0205.96
4.4.00.0030.0405.85
4.3.110.0000.0305.75
4.3.100.0000.0275.75
4.3.90.0070.0205.92
4.3.80.0070.0375.78
4.3.70.0070.0205.89
4.3.60.0070.0205.79
4.3.50.0000.0275.78
4.3.40.0000.0435.82
4.3.30.0070.0234.57
4.3.20.0100.0234.53
4.3.10.0070.0274.54
4.3.00.0270.01314.62

preferences:
128.47 ms | 1398 KiB | 7 Q