3v4l.org

run code in 300+ PHP versions simultaneously
<?php function setKey($sessionKeys, $value) { $sessionKeysArray = explode(':', $sessionKeys); $sessionKey = ''; foreach ($sessionKeysArray as $key){ $sessionKey .= "[\'$key\']"; } echo eval("$key = &$_SESSION{$sessionKey} = $value"); $_SESSION{$sessionKey} = $value; var_dump($key); return !empty(self::getKey($sessionKey)); } setKey('1:2:3', 77);

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)
7.0.20.0330.07320.08
7.0.10.0000.06720.33
7.0.00.0130.08320.20
5.6.170.0300.05320.50
5.6.160.0130.07720.61
5.6.150.0130.06018.18
5.6.140.0170.07318.15
5.6.130.0070.07718.20
5.6.120.0030.04720.99
5.6.110.0030.07021.02
5.6.100.0070.08321.09
5.6.90.0000.08721.00
5.6.80.0130.07320.42
5.5.310.0170.06720.34
5.5.300.0070.08017.95
5.5.290.0030.07718.08
5.5.280.0100.07720.74
5.5.270.0070.05020.89
5.5.260.0170.07320.87
5.5.250.0070.03720.61
5.5.240.0300.06020.29

preferences:
142.67 ms | 1394 KiB | 7 Q