3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = array('1'=>true, 2=>true, '3'=>true, 4=>true); var_dump(isset(1, $i));

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)
5.6.150.0000.04318.13
5.6.140.0100.04018.11
5.6.130.0070.04318.21
5.6.120.0130.07021.13
5.6.110.0130.09321.04
5.6.100.0070.06321.00
5.6.90.0100.06721.00
5.6.80.0130.06320.28
5.5.300.0000.04717.91
5.5.290.0070.05717.98
5.5.280.0100.06720.84
5.5.270.0030.04320.72
5.5.260.0170.05320.74
5.5.250.0100.07020.58
5.5.240.0170.05720.18

preferences:
140.61 ms | 1394 KiB | 7 Q