3v4l.org

run code in 300+ PHP versions simultaneously
<?php var tell = array('s.channel' => 'coo'); tell = serialize(tell); echo tell;

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)
7.0.20.0400.06720.30
7.0.10.0070.04020.22
7.0.00.0170.07720.09
5.6.170.0070.05020.42
5.6.160.0000.05020.62
5.6.150.0030.08718.22
5.6.140.0100.07718.18
5.6.130.0070.04018.27
5.6.120.0000.04720.98
5.6.110.0070.03720.86
5.6.100.0030.08021.04
5.6.90.0130.08021.12
5.6.80.0070.08320.43
5.5.310.0370.05320.34
5.5.300.0130.07317.97
5.5.290.0130.06718.08
5.5.280.0070.05720.77
5.5.270.0030.08720.86
5.5.260.0070.05320.79
5.5.250.0100.08020.68
5.5.240.0230.07720.03

preferences:
141.6 ms | 1398 KiB | 7 Q