3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Rofl { protected static $rofl; public static function lol() { var_dump(static::$rofl); static::$rofl = static::$mao; var_dump(static::$rofl); } } class Lmfao extends Rofl { protected static $mao = 'Lmfao'; } class Lol extends Rofl { protected static $mao = 'Lol'; } $lol = new Lol(); $lol::lol(); $lmfao = new Lmfao(); $lmfao::lol(); $lol::lol()

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)
5.4.380.0230.06718.54
5.4.370.0200.05318.79
5.4.360.0300.07018.58
5.4.350.0230.07318.79
5.4.340.0230.06718.76
5.4.320.0370.05018.57
5.4.310.0200.05018.55
5.4.300.0170.06318.80
5.4.290.0270.06318.75
5.4.280.0230.05318.54
5.4.270.0200.07318.61
5.4.260.0170.07318.75
5.4.250.0200.06018.60
5.4.240.0230.08018.51
5.4.230.0400.06318.77
5.4.220.0330.05718.79
5.4.210.0170.06018.53
5.4.200.0230.06716.55
5.4.190.0370.04018.60
5.4.180.0230.07018.77
5.4.170.0300.06718.77
5.4.160.0230.07018.72
5.4.150.0370.03718.70
5.4.140.0230.05316.46
5.4.130.0330.05716.29
5.4.120.0270.04716.45
5.4.110.0170.05716.18
5.4.100.0330.05716.17
5.4.90.0170.06316.22
5.4.80.0200.06316.30
5.4.70.0070.06716.23
5.4.60.0170.05716.26
5.4.50.0200.05016.15
5.4.40.0330.08016.15
5.4.30.0270.05016.23
5.4.20.0370.05316.18
5.4.10.0270.04316.20
5.4.00.0230.06315.71
5.3.290.0230.05714.78
5.3.280.0300.06314.80
5.3.270.0270.09014.72
5.3.260.0270.05314.61
5.3.250.0130.06714.66
5.3.240.0230.05714.71
5.3.230.0230.05714.80
5.3.220.0230.06714.67
5.3.210.0300.06314.75
5.3.200.0130.07714.72
5.3.190.0130.05714.62
5.3.180.0230.06014.70
5.3.170.0270.06314.66
5.3.160.0200.05714.54
5.3.150.0230.05014.75
5.3.140.0370.05314.74
5.3.130.0300.06314.76
5.3.120.0230.07014.55
5.3.110.0200.07314.58
5.3.100.0200.05014.25
5.3.90.0200.06714.14
5.3.80.0100.06014.04
5.3.70.0100.06014.13
5.3.60.0130.07314.03
5.3.50.0170.05014.04
5.3.40.0070.06314.05
5.3.30.0230.06313.91
5.3.20.0300.06013.72
5.3.10.0270.06013.70
5.3.00.0300.04713.71
5.2.170.0130.04311.26
5.2.160.0230.04311.17
5.2.150.0230.05711.25
5.2.140.0230.05011.12
5.2.130.0130.05711.09
5.2.120.0200.04711.32
5.2.110.0170.04311.15
5.2.100.0100.04711.22
5.2.90.0170.05011.23
5.2.80.0230.04311.13
5.2.70.0170.05011.22
5.2.60.0130.04711.10
5.2.50.0100.04711.12
5.2.40.0300.02711.09
5.2.30.0130.05011.18
5.2.20.0130.04011.01
5.2.10.0100.05010.86
5.2.00.0070.06010.84
5.1.60.0170.04010.19
5.1.50.0130.04310.05
5.1.40.0230.03010.05
5.1.30.0230.03010.41
5.1.20.0030.05010.39
5.1.10.0100.04710.21
5.1.00.0170.03310.05
5.0.50.0000.0408.59
5.0.40.0100.0338.43
5.0.30.0030.0608.29
5.0.20.0130.0338.39
5.0.10.0200.0208.27
5.0.00.0100.0478.20
4.4.90.0030.0306.79
4.4.80.0070.0306.79
4.4.70.0070.0306.79
4.4.60.0030.0306.79
4.4.50.0100.0206.79
4.4.40.0070.0406.79
4.4.30.0170.0206.79
4.4.20.0100.0206.79
4.4.10.0070.0276.79
4.4.00.0070.0406.79
4.3.110.0030.0306.79
4.3.100.0070.0276.79
4.3.90.0030.0236.79
4.3.80.0030.0376.79
4.3.70.0070.0236.79
4.3.60.0070.0236.79
4.3.50.0100.0206.79
4.3.40.0030.0406.79
4.3.30.0070.0236.79
4.3.20.0070.0236.79
4.3.10.0070.0206.79
4.3.00.0070.0207.59

preferences:
146.06 ms | 1394 KiB | 7 Q