3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SomeClass { public function __construct() { $this = null; } }

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)
5.6.150.0030.08718.27
5.6.140.0030.06718.14
5.6.130.0030.07018.27
5.6.120.0070.08721.02
5.6.110.0030.08020.96
5.6.100.0030.04721.00
5.6.90.0100.07721.00
5.6.80.0130.08020.51
5.5.300.0070.07717.95
5.5.290.0070.08018.04
5.5.280.0030.05320.85
5.5.270.0070.08020.96
5.5.260.0070.06020.79
5.5.250.0200.06720.61
5.5.240.4270.03720.34

preferences:
143.34 ms | 1446 KiB | 7 Q