3v4l.org

run code in 500+ PHP versions simultaneously
<?php $data = [['a']]; array_map(reset(...), $data);

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)
8.5.80.0100.00416.71
8.5.70.0110.00616.75
8.5.60.0080.00916.86
8.5.50.0100.00916.73
8.5.30.0120.00617.59
8.4.230.0130.00819.39
8.4.220.0210.00419.54
8.4.210.0130.00821.31
8.4.90.0090.00717.91
8.3.320.0080.01118.44
8.3.310.0120.00918.57
8.3.180.0040.00316.87
8.3.50.0100.00816.78
8.2.320.0090.01118.34
8.2.310.0110.00818.27

preferences:
41.85 ms | 547 KiB | 5 Q