3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $b = [][]; }; $a = new 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)
7.0.00.0100.07320.10
5.6.160.0030.05320.46
5.6.150.0170.04318.29
5.6.140.0000.08718.23
5.6.130.0070.09018.21
5.6.120.0100.08021.11
5.6.110.0070.08320.98
5.6.100.0100.05720.88
5.6.90.0100.08020.97
5.6.80.0070.05020.27
5.5.300.0070.03317.98
5.5.290.0130.08017.91
5.5.280.0030.09020.80
5.5.270.0030.09320.86
5.5.260.0100.07720.84
5.5.250.0170.07320.68
5.5.240.0230.08020.36

preferences:
144.85 ms | 1394 KiB | 7 Q