3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = null; $base = 1024; $foo ?? echo 'nop';

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)
7.0.10.0130.07720.15
7.0.00.0100.08320.18
5.6.160.0030.06720.54
5.6.150.0100.07018.22
5.6.140.0070.08018.17
5.6.130.0030.04018.14
5.6.120.0070.05721.02
5.6.110.0070.07021.14
5.6.100.0030.08321.11
5.6.90.0070.04320.96
5.6.80.0030.08720.35
5.5.300.0030.08317.98
5.5.290.0070.03717.98
5.5.280.0170.06720.88
5.5.270.0030.08320.84
5.5.260.0170.07720.86
5.5.250.0100.08320.59
5.5.240.0200.07320.25

preferences:
139.45 ms | 1394 KiB | 7 Q