3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 10; $a = ---$a; var_dump($a);

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)
5.4.320.0300.07019.20
5.4.310.0230.05018.97
5.4.300.0430.06318.93
5.4.290.0270.04319.14
5.4.280.0330.06718.98
5.4.270.0370.07719.11
5.4.260.0300.06719.13
5.4.250.0300.04719.23
5.4.240.0300.04718.98
5.4.230.0330.03319.13
5.4.220.0170.04719.22
5.4.210.0300.03319.16
5.4.200.0330.03019.08
5.4.190.0270.04019.22
5.4.180.0170.03719.21
5.4.170.0270.03319.21
5.4.160.0300.03319.11
5.4.150.0230.03718.93
5.4.140.0300.05716.30
5.4.130.0300.06716.37
5.4.120.0330.06716.24
5.4.110.0230.03716.48
5.4.100.0270.03716.48
5.4.90.0170.04016.63
5.4.80.0200.03316.21
5.4.70.0170.04316.34
5.4.60.0170.03716.20
5.4.50.0100.04316.44
5.4.40.0200.03316.33
5.4.30.0170.03716.45
5.4.20.0170.03716.32
5.4.10.0230.03016.43
5.4.00.0170.03715.80
5.3.290.0230.07314.55
5.3.280.0430.06014.56
5.3.270.0200.03714.43
5.3.260.0330.03014.55
5.3.250.0270.03714.70
5.3.240.0370.06314.70
5.3.230.0230.03714.38
5.3.220.0230.05714.50
5.3.210.0200.04314.47
5.3.200.0270.06014.58
5.3.190.0300.03314.51
5.3.180.0230.03314.50
5.3.170.0200.04014.50
5.3.160.0200.03714.37
5.3.150.0230.03714.50
5.3.140.0200.04014.48
5.3.130.0230.04014.49
5.3.120.0230.05014.49
5.3.110.0130.04314.47
5.3.100.0170.04013.96
5.3.90.0270.04013.93
5.3.80.0200.04313.95
5.3.70.0270.03313.96
5.3.60.0230.03313.94
5.3.50.0170.04013.86
5.3.40.0400.02313.91
5.3.30.0200.04013.70
5.3.20.0230.03013.63
5.3.10.0130.04313.58
5.3.00.0370.05313.56
5.2.170.0100.03311.14
5.2.160.0170.02711.09
5.2.150.0130.03011.03
5.2.140.0130.03011.13
5.2.130.0200.02711.11
5.2.120.0230.02010.99
5.2.110.0170.03011.04
5.2.100.0230.06010.98
5.2.90.0230.03311.07
5.2.80.0300.02711.18
5.2.70.0230.04311.09
5.2.60.0170.03310.98
5.2.50.0130.03010.95
5.2.40.0170.04010.88
5.2.30.0200.02710.90
5.2.20.0170.02710.85
5.2.10.0300.04710.76
5.2.00.0170.04010.80
5.1.60.0230.0479.96
5.1.50.0130.03010.00
5.1.40.0200.0509.88
5.1.30.0200.02310.34
5.1.20.0230.04310.36
5.1.10.0200.02710.04
5.1.00.0170.03010.08
5.0.50.0100.0309.26
5.0.40.0130.0279.26
5.0.30.0070.0339.26
5.0.20.0070.0339.26
5.0.10.0170.0179.26
5.0.00.0170.0309.26
4.4.90.0100.0339.26
4.4.80.0130.0139.26
4.4.70.0030.0179.26
4.4.60.0070.0209.26
4.4.50.0100.0139.26
4.4.40.0100.0539.26
4.4.30.0130.0209.26
4.4.20.0170.0339.26
4.4.10.0130.0309.26
4.4.00.0130.0509.26
4.3.110.0070.0179.26
4.3.100.0070.0179.26
4.3.90.0170.0309.26
4.3.80.0130.0479.26
4.3.70.0130.0339.26
4.3.60.0130.0279.26
4.3.50.0070.0209.26
4.3.40.0070.0309.26
4.3.30.0100.0339.26
4.3.20.0030.0309.26
4.3.10.0030.0379.26
4.3.00.0100.0309.26

preferences:
140.41 ms | 1394 KiB | 7 Q