3v4l.org

run code in 300+ PHP versions simultaneously
<?php function hack(){ var myvar; console.log(myvar); } function hacker(){ var myvar=2; console.log(myvar); hack(); } var myvar=5; console.log(myvar); hacker(); console.log(myvar); ?>

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)
5.6.100.0030.04021.08
5.6.90.0100.08020.98
5.6.80.0100.07020.43
5.5.260.0130.06020.97
5.5.250.0100.07720.54
5.5.240.0200.05320.26
5.4.420.0300.05719.46
5.4.410.0100.05319.26
5.4.400.0130.04719.17
5.4.390.0130.04719.07
5.4.380.0070.05719.26
5.4.370.0070.05319.07
5.4.360.0100.05319.07
5.4.350.0070.05719.09
5.4.340.0170.04319.07
5.4.320.0170.04719.16
5.4.310.0100.05019.23
5.4.300.0030.06018.98
5.4.290.0230.04019.04
5.4.280.0130.05019.23
5.4.270.0170.04719.08
5.4.260.0070.05319.03
5.4.250.0030.06019.20
5.4.240.0170.04719.20
5.4.230.0130.05019.11
5.4.220.0130.05319.14
5.4.210.0070.05318.98
5.4.200.0100.04716.68
5.4.190.0000.06019.04
5.4.180.0170.04319.12
5.4.170.0070.06319.07
5.4.160.0030.06019.14
5.4.150.0130.04719.11
5.4.140.0070.05316.29
5.4.130.0000.05716.63
5.4.120.0070.06716.25
5.4.110.0200.05716.47
5.4.100.0130.04716.43
5.4.90.0100.05016.46
5.4.80.0070.05316.39
5.4.70.0030.05716.32
5.4.60.0070.05016.62
5.4.50.0030.05316.22
5.4.40.0000.05716.24
5.4.30.0130.04716.28
5.4.20.0070.05316.28
5.4.10.0070.05016.63
5.4.00.0070.05015.73
5.3.290.0070.05714.57
5.3.280.0200.04014.70
5.3.270.0070.05714.72
5.3.260.0030.06014.67
5.3.250.0130.04714.52
5.3.240.0070.05314.54
5.3.230.0100.05014.58
5.3.220.0030.05714.58
5.3.210.0100.05314.64
5.3.200.0170.04014.49
5.3.190.0170.04314.52
5.3.180.0100.05014.68
5.3.170.0130.04314.53
5.3.160.0100.05014.68
5.3.150.0170.04014.47
5.3.140.0000.05714.72
5.3.130.0100.05014.48
5.3.120.0030.06014.49
5.3.110.0070.05314.58
5.3.100.0170.04314.05
5.3.90.0100.04714.00
5.3.80.0070.05313.98
5.3.70.0100.05013.97
5.3.60.0130.05313.98
5.3.50.0100.04713.91
5.3.40.0200.03713.93
5.3.30.0100.05013.81
5.3.20.0070.05013.77
5.3.10.0130.04313.71
5.3.00.0130.04713.59
5.2.170.0070.04311.11
5.2.160.0130.05011.05
5.2.150.0070.04011.05
5.2.140.0030.04711.15
5.2.130.0030.06011.01
5.2.120.0070.04011.16
5.2.110.0100.03711.04
5.2.100.0070.03711.07
5.2.90.0030.04311.09
5.2.80.0030.04711.18
5.2.70.0030.04311.04
5.2.60.0030.04711.02
5.2.50.0030.04310.91
5.2.40.0030.04010.99
5.2.30.0070.04010.92
5.2.20.0170.03010.94
5.2.10.0000.04310.88
5.2.00.0130.03310.61
5.1.60.0030.04310.13
5.1.50.0030.0379.92
5.1.40.0000.0409.98
5.1.30.0030.04010.25
5.1.20.0130.03010.27
5.1.10.0070.0339.95
5.1.00.0070.03310.16
5.0.50.0000.0338.63
5.0.40.0030.0278.25
5.0.30.0000.0478.21
5.0.20.0030.0278.12
5.0.10.0000.0308.05
5.0.00.0030.0438.09
4.4.90.0000.0275.87
4.4.80.0100.0175.77
4.4.70.0000.0275.85
4.4.60.0000.0305.89
4.4.50.0030.0305.94
4.4.40.0000.0375.89
4.4.30.0000.0235.88
4.4.20.0070.0175.81
4.4.10.0070.0205.95
4.4.00.0100.0335.96
4.3.110.0070.0275.70
4.3.100.0000.0235.78
4.3.90.0000.0235.64
4.3.80.0030.0375.76
4.3.70.0000.0275.66
4.3.60.0030.0205.81
4.3.50.0030.0205.67
4.3.40.0070.0305.79
4.3.30.0000.0274.52
4.3.20.0070.0234.53
4.3.10.0070.0234.36
4.3.00.0070.01315.68

preferences:
146.95 ms | 1394 KiB | 7 Q