3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a[0] = 0; $a[1] = 1; unset($a[1]); var_dump(array_is_list($a)); $a[] = 2; var_dump(array_is_list($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)
8.5.30.0100.00717.46
8.5.20.0090.00916.55
8.4.180.0120.01121.57
8.4.170.0110.01019.66
8.4.90.0070.00317.85
8.3.300.0150.00519.99
8.3.180.0090.01016.66
8.3.50.0130.00616.73

preferences:
40.31 ms | 517 KiB | 5 Q