3v4l.org

run code in 300+ PHP versions simultaneously
<?php print "a".1.'b';

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)
5.4.310.0500.05319.15
5.4.300.0630.05019.22
5.4.290.0600.06019.31
5.4.280.0530.06319.24
5.4.270.0500.05719.09
5.4.260.0470.03319.24
5.4.250.0500.04718.97
5.4.240.0570.06318.94
5.4.230.0470.03718.98
5.4.220.0500.04319.30
5.4.210.0570.06319.06
5.4.200.0500.04018.85
5.4.190.0470.04719.23
5.4.180.0500.06719.00
5.4.170.0430.06019.08
5.4.160.0500.04719.14
5.4.150.0500.06319.20
5.4.140.0400.03016.28
5.4.130.0330.03716.36
5.4.120.0330.03716.45
5.4.110.0300.04016.54
5.4.100.0370.03316.38
5.4.90.0400.02716.46
5.4.80.0470.02316.46
5.4.70.0400.04316.54
5.4.60.0470.04716.34
5.4.50.0330.06016.40
5.4.40.0400.04016.55
5.4.30.0370.03316.55
5.4.20.0400.02716.53
5.4.10.0330.04316.44
5.4.00.0300.05015.82
5.3.280.0530.06314.62
5.3.270.0470.07314.63
5.3.260.0470.07014.58
5.3.250.0430.04714.46
5.3.240.0270.04314.66
5.3.230.0300.04014.54
5.3.220.0630.04714.41
5.3.210.0700.04314.40
5.3.200.0300.05014.66
5.3.190.0370.03314.45
5.3.180.0400.03014.44
5.3.170.0430.07014.49
5.3.160.0300.04014.55
5.3.150.0330.03714.54
5.3.140.0300.04014.41
5.3.130.0370.03314.57
5.3.120.0430.04014.52
5.3.110.0370.03714.42
5.3.100.0330.04314.02
5.3.90.0470.02713.87
5.3.80.0370.03313.86
5.3.70.0270.04314.04
5.3.60.0370.03313.91
5.3.50.0330.03713.97
5.3.40.0300.04013.99
5.3.30.0370.03713.96
5.3.20.0330.03313.78
5.3.10.0370.03313.55
5.3.00.0370.03313.50
5.2.170.0270.03311.16
5.2.160.0300.03311.08
5.2.150.0270.03311.19
5.2.140.0200.03711.08
5.2.130.0200.03311.01
5.2.120.0270.03010.95
5.2.110.0270.03011.11
5.2.100.0330.02310.96
5.2.90.0300.02711.11
5.2.80.0300.03310.98
5.2.70.0200.03710.97
5.2.60.0400.02710.90
5.2.50.0330.03010.92
5.2.40.0330.03010.82
5.2.30.0230.03310.81
5.2.20.0270.04310.86
5.2.10.0200.04011.01
5.2.00.0130.03710.68
5.1.60.0270.0439.92
5.1.50.0200.0309.93
5.1.40.0370.0379.88
5.1.30.0370.03010.40
5.1.20.0330.03310.42
5.1.10.0300.03010.23
5.1.00.0370.0439.95
5.0.50.0170.0439.88
5.0.40.0200.0409.88
5.0.30.0200.0479.88
5.0.20.0200.0409.88
5.0.10.0200.0409.88
5.0.00.0200.0609.88
4.4.90.0130.0139.88
4.4.80.0100.0179.88
4.4.70.0200.0209.88
4.4.60.0070.0179.88
4.4.50.0100.0309.88
4.4.40.0100.0309.88
4.4.30.0170.0339.88
4.4.20.0200.0339.88
4.4.10.0270.0209.88
4.4.00.0230.0279.88
4.3.110.0230.0309.88
4.3.100.0170.0209.88
4.3.90.0200.0309.88
4.3.80.0200.0509.88
4.3.70.0130.0239.88
4.3.60.0200.0179.88
4.3.50.0230.0279.88
4.3.40.0200.0379.88
4.3.30.0130.0239.88
4.3.20.0070.0279.88
4.3.10.0100.0209.88
4.3.00.0100.0309.88

preferences:
135.49 ms | 1398 KiB | 7 Q