3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $result = array_intersect_key( [123 => 1, 234 => 2, 567 => 3], array_flip([123, 567]) ); var_dump($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)
7.0.00.0030.07720.12
5.6.160.0030.04720.52
5.6.150.0070.06018.28
5.6.140.0130.06018.19
5.6.130.0130.07718.28
5.6.120.0130.08021.14
5.6.110.0070.08321.13
5.6.100.0100.06020.97
5.6.90.0030.04020.99
5.6.80.0100.05720.42
5.5.300.0100.07317.99
5.5.290.0030.08317.92
5.5.280.0070.06720.79
5.5.270.0030.04020.79
5.5.260.0130.07720.86
5.5.250.0100.04020.70
5.5.240.0200.07320.25

preferences:
138.68 ms | 1394 KiB | 7 Q