3v4l.org

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

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)
8.5.80.0060.00416.98
8.5.70.0080.00416.89
8.5.60.0070.00216.83
8.4.230.0090.00619.66
8.4.220.0070.00321.45
8.4.210.0070.00219.65
8.4.90.0090.01119.61
8.3.320.0130.00718.62
8.3.310.0120.00820.27
8.3.180.0040.00418.70
8.3.50.0100.00918.61
8.2.320.0110.00718.15
8.2.310.0120.00718.15

preferences:
51.57 ms | 539 KiB | 5 Q