3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strtotime(date('Y-m-d h:i:s', strtotime('-1 hours'))); echo " ||| " echo strtotimedate('Y-m-d h:i:s', strtotime('-3 hours'));

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)
5.6.150.0130.04718.28
5.6.140.0200.05718.25
5.6.130.0070.06718.33
5.6.120.0100.07720.99
5.6.110.0100.08021.04
5.6.100.0170.07320.95
5.6.90.0100.06721.01
5.6.80.0000.04020.39
5.5.300.0070.07317.98
5.5.290.0130.06018.05
5.5.280.0100.03720.76
5.5.270.0070.06020.86
5.5.260.0070.04320.96
5.5.250.0070.07320.61
5.5.240.4200.03020.35

preferences:
144.27 ms | 939 KiB | 8 Q