3v4l.org

run code in 300+ PHP versions simultaneously
<?php unserialize( a:3:{s:3:"Tom";s:8:"address1";s:4:"Dick";s:8:"address2";s:5:"Harry";s:8:"address3";} ) ?>

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)
7.0.00.0070.04020.24
5.6.160.0000.04320.52
5.6.150.0070.06018.12
5.6.140.0030.08718.19
5.6.130.0000.07718.28
5.6.120.0070.08320.89
5.6.110.0130.06321.00
5.6.100.0030.06320.98
5.6.90.0130.05320.94
5.6.80.0070.08720.36
5.5.300.0100.04318.02
5.5.290.0100.05317.95
5.5.280.0130.08020.80
5.5.270.0070.07020.83
5.5.260.0000.09020.64
5.5.250.0100.07720.57
5.5.240.0270.06720.11

preferences:
132.85 ms | 1394 KiB | 7 Q