3v4l.org

run code in 300+ PHP versions simultaneously
<?php $b = static function() { var_dump($this); }; $b(); We get null (and a notice)

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)
7.0.10.0130.05320.07
7.0.00.0030.08020.29
5.6.160.0030.06020.55
5.6.150.0100.05718.18
5.6.140.0100.07718.15
5.6.130.0170.07318.15
5.6.120.0030.05721.15
5.6.110.0100.07720.99
5.6.100.0030.07021.11
5.6.90.0100.08721.10
5.6.80.0030.04020.39
5.5.300.0070.05017.94
5.5.290.0000.06317.99
5.5.280.0000.05320.65
5.5.270.0130.03320.76
5.5.260.0030.07720.96
5.5.250.0170.07020.61
5.5.240.0130.08020.13
5.4.450.0170.05719.56
5.4.440.0230.05719.45
5.4.430.0130.06019.53
5.4.420.0170.06019.50
5.4.410.0330.04319.13
5.4.400.0200.05719.17
5.4.390.0070.05719.19
5.4.380.0230.05319.20
5.4.370.0230.05019.21
5.4.360.0230.06019.17
5.4.350.0330.06019.32
5.4.340.0230.06019.21
5.4.320.0170.06019.29
5.4.310.0230.05718.92
5.4.300.0400.06719.32
5.4.290.0330.07018.92
5.4.280.0200.06019.20
5.4.270.0170.05719.16
5.4.260.0230.04719.14
5.4.250.0300.06319.32
5.4.240.0230.08019.20
5.4.230.0300.04718.92
5.4.220.0130.06319.13
5.4.210.0130.06318.91
5.4.200.0270.05019.26
5.4.190.0100.06318.92
5.4.180.0230.06019.19
5.4.170.0100.06018.96
5.4.160.0270.04719.27
5.4.150.0270.04718.89
5.4.140.0230.05016.53
5.4.130.0200.04716.49
5.4.120.0170.05316.49
5.4.110.0170.05716.61
5.4.100.0300.04716.32
5.4.90.0230.04316.54
5.4.80.0330.04016.61
5.4.70.0200.05316.52
5.4.60.0300.03716.61
5.4.50.0170.07316.51
5.4.40.0270.04316.54
5.4.30.0230.04316.39
5.4.20.0270.04716.21
5.4.10.0100.06316.58
5.4.00.0200.04715.84
5.3.290.0230.05314.45
5.3.280.0230.05314.45
5.3.270.0230.05314.49
5.3.260.0270.05714.57
5.3.250.0100.06014.53
5.3.240.0200.06014.46
5.3.230.0130.06714.47
5.3.220.0270.04314.54
5.3.210.0170.06014.44
5.3.200.0230.04314.46
5.3.190.0230.05314.54
5.3.180.0270.04714.51
5.3.170.0200.06014.44
5.3.160.0200.05014.49
5.3.150.0330.06314.49
5.3.140.0270.04714.48
5.3.130.0230.05014.40
5.3.120.0300.04014.47
5.3.110.0270.04314.45
5.3.100.0170.05314.01
5.3.90.0270.04013.92
5.3.80.0230.04313.91
5.3.70.0130.05314.10
5.3.60.0030.06313.79
5.3.50.0130.05313.84
5.3.40.0100.05713.78
5.3.30.0030.05313.71
5.3.20.0170.05013.61
5.3.10.0270.04013.66
5.3.00.0230.04313.39
5.2.170.0070.05011.12
5.2.160.0200.03311.09
5.2.150.0170.03710.97
5.2.140.0100.04011.13
5.2.130.0200.03311.25
5.2.120.0170.03710.93
5.2.110.0130.04311.00
5.2.100.0270.02710.99
5.2.90.0170.04011.02
5.2.80.0130.04010.95
5.2.70.0100.04310.91
5.2.60.0070.04710.97
5.2.50.0070.04711.08
5.2.40.0200.04710.91
5.2.30.0100.04010.90
5.2.20.0130.03710.88
5.2.10.0100.04010.93
5.2.00.0100.04310.61
5.1.60.0130.03010.14
5.1.50.0130.0339.88
5.1.40.0170.0309.96
5.1.30.0100.03710.33
5.1.20.0130.03310.34
5.1.10.0070.0379.90
5.1.00.0100.03310.09
5.0.50.0070.0278.52
5.0.40.0030.0308.39
5.0.30.0130.0378.18
5.0.20.0070.0278.18
5.0.10.0030.0408.16
5.0.00.0030.0438.19
4.4.90.0100.0175.86
4.4.80.0030.0235.81
4.4.70.0030.0235.82
4.4.60.0030.0235.83
4.4.50.0030.0235.84
4.4.40.0170.0335.82
4.4.30.0070.0235.75
4.4.20.0070.0205.82
4.4.10.0070.0205.89
4.4.00.0070.0335.85
4.3.110.0070.0205.73
4.3.100.0070.0205.66
4.3.90.0100.0175.82
4.3.80.0070.0375.82
4.3.70.0000.0235.72
4.3.60.0030.0235.72
4.3.50.0000.0275.73
4.3.40.0070.0335.72
4.3.30.0070.0205.73
4.3.20.0030.0235.73
4.3.10.0030.0235.73
4.3.00.0000.0275.74

preferences:
145.74 ms | 1394 KiB | 7 Q