3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace Foo { class Bar { } } print (new ReflectionClass('Foo\Bar'))->getShortName(); // for namespaces, if any

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)
5.6.150.0070.05018.19
5.6.140.0030.04018.24
5.6.130.0070.05718.20
5.6.120.0130.05020.98
5.6.110.0100.08020.98
5.6.100.0130.08021.00
5.6.90.0000.04320.96
5.6.80.0170.07020.42
5.5.300.0100.06317.93
5.5.290.0030.07017.99
5.5.280.0070.03720.90
5.5.270.0000.04320.75
5.5.260.0070.09020.63
5.5.250.0170.06720.66
5.5.240.4200.03720.10

preferences:
140.42 ms | 1394 KiB | 7 Q