3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'abc'; function a($name) { $abc = "asd" $_SESSION[$name] = $$name; } a('a'); $a = 'abc';

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)
5.4.380.0200.06318.74
5.4.370.0200.05318.69
5.4.360.0270.06018.73
5.4.350.0230.05018.73
5.4.340.0270.04318.77
5.4.320.0200.06718.47
5.4.310.0100.06018.50
5.4.300.0270.04318.62
5.4.290.0200.04718.83
5.4.280.0130.06018.75
5.4.270.0200.05018.44
5.4.260.0170.05318.81
5.4.250.0170.05718.62
5.4.240.0230.05318.73
5.4.230.0170.05318.49
5.4.220.0230.05718.74
5.4.210.0100.06018.55
5.4.200.0300.06316.57
5.4.190.0200.05718.76
5.4.180.0430.05718.73
5.4.170.0230.05018.45
5.4.160.0130.05718.81
5.4.150.0300.05018.73
5.4.140.0200.05316.30
5.4.130.0200.05016.42
5.4.120.0500.03716.32
5.4.110.0100.06016.42
5.4.100.0200.05316.32
5.4.90.0230.04716.26
5.4.80.0200.04716.23
5.4.70.0200.05016.29
5.4.60.0230.04716.29
5.4.50.0200.04716.14
5.4.40.0170.06016.41
5.4.30.0270.04016.18
5.4.20.0170.05316.29
5.4.10.0130.05316.20
5.4.00.0130.05015.59
5.3.290.0170.06314.85
5.3.280.0200.05014.65
5.3.270.0270.05014.63
5.3.260.0300.04714.71
5.3.250.0100.06014.64
5.3.240.0330.03714.66
5.3.230.0200.05014.64
5.3.220.0230.05014.71
5.3.210.0270.04714.55
5.3.200.0200.05314.57
5.3.190.0100.06014.69
5.3.180.0130.05714.69
5.3.170.0300.04014.76
5.3.160.0200.05714.61
5.3.150.0170.05314.66
5.3.140.0170.06314.72
5.3.130.0100.06014.57
5.3.120.0200.05314.66
5.3.110.0200.07314.58
5.3.100.0270.05714.21
5.3.90.0130.05714.16
5.3.80.0170.05314.14
5.3.70.0130.05314.04
5.3.60.0100.07314.10
5.3.50.0300.04014.11
5.3.40.0230.06313.98
5.3.30.0270.04014.13
5.3.20.0170.05313.79
5.3.10.0100.06013.77
5.3.00.0170.04713.84
5.2.170.0130.05711.21
5.2.160.0100.05711.20
5.2.150.0170.04011.14
5.2.140.0300.04311.25
5.2.130.0200.05011.17
5.2.120.0230.04311.12
5.2.110.0100.05711.12
5.2.100.0130.05311.18
5.2.90.0270.03711.17
5.2.80.0200.04711.22
5.2.70.0400.03711.14
5.2.60.0070.06711.04
5.2.50.0100.04711.21
5.2.40.0230.04311.01
5.2.30.0200.04311.09
5.2.20.0170.04310.98
5.2.10.0170.04710.93
5.2.00.0130.04010.84
5.1.60.0100.03710.03
5.1.50.0070.03710.17
5.1.40.0170.0409.97
5.1.30.0170.03310.48
5.1.20.0170.04710.40
5.1.10.0130.03310.05
5.1.00.0070.04310.20
5.0.50.0070.0408.70
5.0.40.0130.0278.61
5.0.30.0100.0538.22
5.0.20.0100.0338.25
5.0.10.0070.0408.27
5.0.00.0130.0508.29
4.4.90.0100.0207.05
4.4.80.0030.0337.05
4.4.70.0030.0277.05
4.4.60.0130.0137.05
4.4.50.0070.0207.05
4.4.40.0070.0407.05
4.4.30.0070.0207.05
4.4.20.0170.0137.05
4.4.10.0070.0307.05
4.4.00.0070.0407.05
4.3.110.0030.0277.05
4.3.100.0070.0277.05
4.3.90.0270.0077.05
4.3.80.0100.0507.05
4.3.70.0030.0237.05
4.3.60.0070.0237.05
4.3.50.0070.0207.05
4.3.40.0100.0337.05
4.3.30.0030.0277.05
4.3.20.0000.0277.05
4.3.10.0070.0337.05
4.3.00.0000.0237.63

preferences:
151.27 ms | 1394 KiB | 7 Q