3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = &new int(3); echo val_dump($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)
7.0.10.0070.04320.20
7.0.00.0100.07020.30
5.6.160.0100.08320.49
5.6.150.0070.08018.15
5.6.140.0100.06018.21
5.6.130.0100.08318.21
5.6.120.0100.08021.04
5.6.110.0070.08020.98
5.6.100.0330.06721.11
5.6.90.0130.07020.98
5.6.80.0000.04320.39
5.5.300.0100.04317.91
5.5.290.0070.07017.98
5.5.280.0100.07020.87
5.5.270.0100.07020.86
5.5.260.0030.04020.64
5.5.250.0070.07020.71
5.5.240.0170.07320.12

preferences:
144.34 ms | 1394 KiB | 7 Q