3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['a' => 1, 'b' => 2]; $result = array_map(function($val) {return $val + 1}, $array); print_r($result);

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)
7.0.10.0070.07320.24
7.0.00.0030.04020.20
5.6.160.0070.07020.50
5.6.150.0070.07018.11
5.6.140.0200.07018.18
5.6.130.0030.08718.21
5.6.120.0100.07720.90
5.6.110.0130.08020.99
5.6.100.0070.08721.13
5.6.90.0070.08720.99
5.6.80.0030.04020.29
5.5.300.0030.05017.92
5.5.290.0170.07717.98
5.5.280.0030.06720.77
5.5.270.0070.08320.89
5.5.260.0100.06720.77
5.5.250.0100.08020.59
5.5.240.0100.04020.15

preferences:
163.57 ms | 1386 KiB | 7 Q