3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A{ protected $stuff = [1,2,3,4]; } class B extends A{ protected $stuff = parent::$stuff; } new 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)
7.0.00.0070.08320.18
5.6.160.0100.07720.49
5.6.150.0070.05018.16
5.6.140.0030.05718.18
5.6.130.0070.08018.17
5.6.120.0070.08721.14
5.6.110.0030.09321.01
5.6.100.0130.06320.96
5.6.90.0200.07020.96
5.6.80.0130.06320.38
5.5.300.0130.07017.95
5.5.290.0130.07717.98
5.5.280.0000.07320.96
5.5.270.0070.07320.75
5.5.260.0130.07320.92
5.5.250.0070.05720.70
5.5.240.0230.05320.12

preferences:
139 ms | 1394 KiB | 7 Q