3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 'z'; echo ++++$heading;

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)
5.4.310.0270.07318.85
5.4.300.0170.04018.94
5.4.290.0270.07318.99
5.4.280.0230.04019.08
5.4.270.0330.06719.06
5.4.260.0270.04318.86
5.4.250.0300.06719.22
5.4.240.0270.03319.09
5.4.230.0300.07019.15
5.4.220.0330.06718.85
5.4.210.0270.06318.94
5.4.200.0230.04719.08
5.4.190.0470.04719.21
5.4.180.0300.07318.86
5.4.170.0430.06018.93
5.4.160.0230.07319.13
5.4.150.0330.07019.06
5.4.140.0330.05316.50
5.4.130.0270.04716.51
5.4.120.0330.03716.48
5.4.110.0330.04016.35
5.4.100.0230.07316.50
5.4.90.0300.04316.28
5.4.80.0270.03316.49
5.4.70.0230.05316.54
5.4.60.0200.05016.45
5.4.50.0200.04716.55
5.4.40.0270.07016.43
5.4.30.0230.05716.53
5.4.20.0300.03016.43
5.4.10.0330.04716.55
5.4.00.0230.06715.82
5.3.280.0370.06714.64
5.3.270.0270.05314.55
5.3.260.0230.06014.69
5.3.250.0330.06714.45
5.3.240.0230.04014.46
5.3.230.0300.06014.45
5.3.220.0330.06714.40
5.3.210.0270.07314.50
5.3.200.0200.04714.44
5.3.190.0300.07014.41
5.3.180.0330.07014.42
5.3.170.0270.04314.44
5.3.160.0270.04314.40
5.3.150.0270.04714.43
5.3.140.0370.06314.54
5.3.130.0270.06014.53
5.3.120.0170.04314.42
5.3.110.0300.07014.50
5.3.100.0430.03013.87
5.3.90.0270.07313.97
5.3.80.0230.07013.96
5.3.70.0330.06313.96
5.3.60.0270.05713.98
5.3.50.0230.05013.82
5.3.40.0330.06713.80
5.3.30.0370.06013.84
5.3.20.0330.06313.78
5.3.10.0230.04713.75
5.3.00.0270.03013.46
5.2.170.0170.03312.98
5.2.160.0300.05312.98
5.2.150.0230.04712.98
5.2.140.0230.05712.98
5.2.130.0230.05312.98
5.2.120.0270.03712.98
5.2.110.0170.03012.98
5.2.100.0170.03012.98
5.2.90.0170.03012.98
5.2.80.0200.02712.98
5.2.70.0200.03012.98
5.2.60.0170.03312.98
5.2.50.0230.06012.98
5.2.40.0270.04312.98
5.2.30.0130.04712.98
5.2.20.0170.04012.98
5.2.10.0230.04712.98
5.2.00.0230.04712.98
5.1.60.0270.04712.98
5.1.50.0230.04712.98
5.1.40.0170.04712.98
5.1.30.0270.05012.98
5.1.20.0200.03312.98
5.1.10.0230.03012.98
5.1.00.0170.03312.98
5.0.50.0100.02312.98
5.0.40.0100.02312.98
5.0.30.0130.05712.98
5.0.20.0170.03712.98
5.0.10.0100.04712.98
5.0.00.0070.03712.98
4.4.90.0070.02012.98
4.4.80.0100.03312.98
4.4.70.0100.03312.98
4.4.60.0130.03012.98
4.4.50.0100.03712.98
4.4.40.0070.05712.98
4.4.30.0130.03012.98
4.4.20.0100.02712.98
4.4.10.0070.03312.98
4.4.00.0100.04712.98
4.3.110.0100.01712.98
4.3.100.0100.03012.98
4.3.90.0130.02712.98
4.3.80.0200.04012.98
4.3.70.0100.03712.98
4.3.60.0070.02712.98
4.3.50.0100.03312.98
4.3.40.0100.03712.98
4.3.30.0130.01312.98
4.3.20.0070.03312.98
4.3.10.0030.03712.98
4.3.00.0030.02012.98

preferences:
137.76 ms | 1394 KiB | 7 Q