3v4l.org

run code in 300+ PHP versions simultaneously
<?php function whipme() { ++$a--; var_dump($a); } whipme();

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)
5.4.270.0030.05718.77
5.4.260.0130.05318.91
5.4.250.0170.07018.83
5.4.240.0100.05018.83
5.4.230.0100.05018.95
5.4.220.0130.05018.84
5.4.210.0100.05019.00
5.4.200.0130.05318.80
5.4.190.0030.06018.94
5.4.180.0070.05318.96
5.4.170.0070.05318.89
5.4.160.0030.05319.01
5.4.150.0100.05318.88
5.4.140.0100.05016.35
5.4.130.0030.07716.34
5.4.120.0170.05016.37
5.4.110.0070.04716.49
5.4.100.0030.05316.47
5.4.90.0130.04716.33
5.4.80.0130.05316.40
5.4.70.0030.05016.50
5.4.60.0100.05716.34
5.4.50.0070.05316.41
5.4.40.0030.07716.68
5.4.30.0100.05316.46
5.4.20.0130.04016.44
5.4.10.0100.06016.44
5.4.00.0030.05015.82
5.3.280.0100.04714.61
5.3.270.0070.05014.59
5.3.260.0130.04314.44
5.3.250.0130.04714.59
5.3.240.0070.05314.82
5.3.230.0000.05714.73
5.3.220.0070.06014.53
5.3.210.0170.04714.57
5.3.200.0070.05014.74
5.3.190.0030.05314.79
5.3.180.0130.05714.78
5.3.170.0100.06014.72
5.3.160.0100.06714.63
5.3.150.0170.04314.70
5.3.140.0070.05014.71
5.3.130.0100.05714.53
5.3.120.0170.06014.68
5.3.110.0030.05714.56
5.3.100.0070.05013.87
5.3.90.0100.04314.18
5.3.80.0170.04014.00
5.3.70.0200.03714.00
5.3.60.0030.05014.18
5.3.50.0100.05713.93
5.3.40.0030.05313.77
5.3.30.0100.04313.90
5.3.20.0100.04713.67
5.3.10.0130.04313.51
5.3.00.0100.04713.81
5.2.170.0100.04011.22
5.2.160.0070.04311.12
5.2.150.0030.04311.21
5.2.140.0200.03711.29
5.2.130.0030.04711.00
5.2.120.0130.03011.17
5.2.110.0070.05711.06
5.2.100.0100.03311.17
5.2.90.0030.04311.18
5.2.80.0100.05011.07
5.2.70.0100.03711.07
5.2.60.0070.04011.13
5.2.50.0130.05011.00
5.2.40.0000.04710.82
5.2.30.0100.05011.04
5.2.20.0030.04011.14
5.2.10.0100.04710.95
5.2.00.0100.03710.79
5.1.60.0100.0279.99
5.1.50.0030.0339.97
5.1.40.0070.03010.07
5.1.30.0030.04310.39
5.1.20.0070.03310.57
5.1.10.0070.03310.04
5.1.00.0030.03710.26
5.0.50.0030.0278.70
5.0.40.0070.0238.46
5.0.30.0030.0408.19
5.0.20.0030.0278.25
5.0.10.0030.0278.36
5.0.00.0100.0338.30
4.4.90.0070.0176.76
4.4.80.0000.0236.76
4.4.70.0070.0176.76
4.4.60.0070.0236.76
4.4.50.0100.0136.76
4.4.40.0100.0276.76
4.4.30.0000.0236.76
4.4.20.0030.0306.76
4.4.10.0000.0236.76
4.4.00.0000.0376.76
4.3.110.0070.0176.76
4.3.100.0030.0276.76
4.3.90.0000.0206.76
4.3.80.0030.0306.74
4.3.70.0030.0176.73
4.3.60.0030.0206.71
4.3.50.0070.0236.70
4.3.40.0030.0406.68
4.3.30.0070.0176.66
4.3.20.0000.0236.59
4.3.10.0000.0236.39
4.3.00.0070.0176.95

preferences:
137.19 ms | 1394 KiB | 7 Q