3v4l.org

run code in 300+ PHP versions simultaneously
<?php unset(null)

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)
5.4.50.0320.06311.98
5.4.40.0300.06711.97
5.4.30.0310.08411.96
5.4.20.0190.04911.96
5.4.10.0190.04511.96
5.4.00.0210.04711.46
5.3.150.0260.07212.67
5.3.140.0280.07012.66
5.3.130.0200.04612.66
5.3.120.0200.05112.66
5.3.110.0290.06812.66
5.3.100.0180.04812.12
5.3.90.0400.08912.08
5.3.80.0250.07112.07
5.3.70.0290.06712.08
5.3.60.0400.08512.06
5.3.50.0340.09012.00
5.3.40.0170.04912.00
5.3.30.0250.06911.95
5.3.20.0260.06911.73
5.3.10.0210.04311.69
5.3.00.0270.06611.67

preferences:
143.79 ms | 1394 KiB | 7 Q