3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = date("YW", mktime(0, 0, 0, 1, 1, date('Y')); echo $x;

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)
7.0.10.0070.09020.26
7.0.00.0070.04020.25
5.6.160.0030.08720.57
5.6.150.0030.08718.22
5.6.140.0170.06318.24
5.6.130.0070.08018.18
5.6.120.0100.09020.99
5.6.110.0130.07021.14
5.6.100.0170.06021.18
5.6.90.0200.06021.00
5.6.80.0100.03320.52
5.5.300.0070.08017.95
5.5.290.0030.05318.08
5.5.280.0100.06320.88
5.5.270.0030.04720.83
5.5.260.0000.08720.87
5.5.250.0070.07720.68
5.5.240.0230.06720.32

preferences:
139.26 ms | 1394 KiB | 7 Q