3v4l.org

run code in 300+ PHP versions simultaneously
<?php getFilename($itemType, $conditions) { arsort($conditions); $fileName = ''; foreach ($conditions as $key => $value) { //TODO: should this be other in case of : and , ? $fileName .= ($fileName != '' ? ',' : '') . $key . ':' . $value; } $fileName = $itemType . '{' . $fileName . '}'; return $fileName; } var_dump(getFilename('test', [ 'test' => 'test', 'monkey' => 'aap' ]));

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)
7.0.10.0100.08720.15
7.0.00.0130.06020.11
5.6.160.0070.08320.42
5.6.150.0070.06018.18
5.6.140.0000.04718.21
5.6.130.0070.05018.18
5.6.120.0030.05721.12
5.6.110.0200.07720.98
5.6.100.0130.06720.97
5.6.90.0070.07321.00
5.6.80.0000.08020.37
5.5.300.0000.08017.95
5.5.290.0000.06718.09
5.5.280.0030.05720.96
5.5.270.0000.05320.67
5.5.260.0070.04020.76
5.5.250.0130.07020.71
5.5.240.0130.04320.26

preferences:
136.36 ms | 1398 KiB | 7 Q