3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('ça', 'ne', 'marche', 'pas'); foreach($array as &$key => &$value) { unset($array[1]); unset($array[3]); echo $value."\n"; }

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)
5.4.270.0130.05318.67
5.4.260.0200.06018.66
5.4.250.0130.06018.82
5.4.240.0130.06718.84
5.4.230.0130.06018.84
5.4.220.0070.06018.84
5.4.210.0100.06718.98
5.4.200.0270.04318.61
5.4.190.0130.06718.84
5.4.180.0200.05018.73
5.4.170.0100.06018.70
5.4.160.0070.05318.83
5.4.150.0070.08318.85
5.4.140.0100.05316.18
5.4.130.0200.05716.37
5.4.120.0030.06716.11
5.4.110.0200.04716.39
5.4.100.0200.03716.48
5.4.90.0130.04316.46
5.4.80.0070.05016.36
5.4.70.0070.05316.44
5.4.60.0100.06016.39
5.4.50.0100.06316.36
5.4.40.0100.06316.35
5.4.30.0070.06716.27
5.4.20.0070.05016.42
5.4.10.0070.06716.33
5.4.00.0030.06715.94
5.3.280.0070.07014.61
5.3.270.0100.06714.30
5.3.260.0130.04714.61
5.3.250.0100.05014.52
5.3.240.0130.05714.75
5.3.230.0130.05014.36
5.3.220.0070.05314.34
5.3.210.0170.05014.57
5.3.200.0170.04714.56
5.3.190.0070.05014.61
5.3.180.0170.04314.56
5.3.170.0130.06714.71
5.3.160.0070.05014.43
5.3.150.0070.05014.33
5.3.140.0070.06014.42
5.3.130.0100.05014.70
5.3.120.0130.06314.64
5.3.110.0070.06314.24
5.3.100.0070.05013.87
5.3.90.0070.07014.04
5.3.80.0030.07313.89
5.3.70.0030.06713.72
5.3.60.0170.04314.04
5.3.50.0030.05313.97
5.3.40.0130.04714.09
5.3.30.0030.07313.91
5.3.20.0170.05313.57
5.3.10.0130.05313.64
5.3.00.0070.05013.49
5.2.170.0070.05311.24
5.2.160.0100.03711.07
5.2.150.0030.06011.14
5.2.140.0070.04711.02
5.2.130.0030.04011.03
5.2.120.0170.03711.02
5.2.110.0070.05310.93
5.2.100.0000.04311.11
5.2.90.0030.04011.09
5.2.80.0100.04010.92
5.2.70.0030.04310.92
5.2.60.0100.05311.16
5.2.50.0070.05711.05
5.2.40.0070.05011.00
5.2.30.0100.05310.80
5.2.20.0100.04311.06
5.2.10.0100.04310.64
5.2.00.0100.05010.78
5.1.60.0070.0479.92
5.1.50.0100.0309.92
5.1.40.0130.04310.12
5.1.30.0130.04310.23
5.1.20.0100.04310.41
5.1.10.0070.04710.00
5.1.00.0070.0409.98
5.0.50.0030.0308.59
5.0.40.0030.0378.17
5.0.30.0170.0438.32
5.0.20.0100.0308.14
5.0.10.0070.0238.13
5.0.00.0030.0538.11
4.4.90.0000.0335.82
4.4.80.0030.0305.82
4.4.70.0000.0235.82
4.4.60.0070.0175.82
4.4.50.0030.0305.82
4.4.40.0000.0405.82
4.4.30.0030.0206.15
4.4.20.0030.0206.15
4.4.10.0000.0236.15
4.4.00.0000.0476.15
4.3.110.0100.0176.15
4.3.100.0030.0206.15
4.3.90.0030.0206.15
4.3.80.0030.0336.15
4.3.70.0030.0206.15
4.3.60.0000.0306.15
4.3.50.0030.0276.15
4.3.40.0130.0306.15
4.3.30.0000.0306.15
4.3.20.0030.0206.15
4.3.10.0030.0206.15
4.3.00.0000.0237.39

preferences:
144.94 ms | 1394 KiB | 7 Q