3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace NameSpace\SubnamSpace; $objectName = 'Continent'; print $objectName; // Continent new $objectName; // Fatal error: Class 'Continent' not found new Continent; // Works $class = '\NameSpace\SubnamSpace\\' . $objectName; // new $class; // Works

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)
7.0.00.0070.08720.23
5.6.160.0100.08020.57
5.6.150.0100.07718.19
5.6.140.0030.05318.12
5.6.130.0070.05018.14
5.6.120.0070.04020.98
5.6.110.0070.08321.11
5.6.100.0070.08720.96
5.6.90.0230.05320.97
5.6.80.0170.07720.41
5.5.300.0030.08717.95
5.5.290.0070.04317.91
5.5.280.0100.07320.97
5.5.270.0100.06320.89
5.5.260.0100.08320.64
5.5.250.0100.03720.58
5.5.240.0270.05320.25

preferences:
139.47 ms | 1394 KiB | 7 Q