3v4l.org

run code in 300+ PHP versions simultaneously
<?php $startMemory = memory_get_usage(); $array = range(1, 100000); foreach($array as $arr){ if($k%1000 == 0){ echo memory_get_usage() - $startMemory, ' bytes'; } } echo 'Finnally' . memory_get_usage() - $startMemory, ' bytes';

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)
7.2.00.0100.01023.49
7.1.70.0000.01020.94
7.1.60.0090.00621.06
7.1.50.0070.01120.70
7.0.200.0000.01120.79
preferences:
36.86 ms | 400 KiB | 5 Q