3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo (new Bar)->someattr; echo (new Egg)->someattr; exit(0); class Bar { public $someattr = 1; } class Egg extends Bar { public $someattr = 2; }

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)
8.5.80.0110.00716.86
8.5.70.0250.00616.53
8.5.60.0040.00316.91
8.4.230.0140.01019.66
8.4.220.0040.00621.48
8.4.210.0120.00819.58
8.4.90.0100.00919.64
8.3.320.0080.00818.57
8.3.310.0130.00620.26
8.3.180.0020.00618.58
8.3.50.0090.00618.57
8.2.320.0130.00718.12
8.2.310.0130.00818.11

preferences:
59.5 ms | 536 KiB | 5 Q