3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $v = 'foobar'; var_dump(isset($v['test']));

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)
7.0.20.0230.03720.09
7.0.10.0130.06320.12
7.0.00.0130.03320.06
5.6.170.0270.08320.39
5.6.160.0000.04720.55
5.6.150.0100.06718.19
5.6.140.0230.07018.14
5.6.130.0070.08318.15
5.6.120.0030.05321.04
5.6.110.0100.08021.13
5.6.100.0130.07320.97
5.6.90.0070.07021.03
5.6.80.0000.04020.50
5.5.310.0300.04720.24
5.5.300.0030.06317.96
5.5.290.0030.07317.99
5.5.280.0100.04020.85
5.5.270.0100.03720.66
5.5.260.0170.05720.88
5.5.250.0100.07720.77
5.5.240.0030.08020.06

preferences:
142.38 ms | 1394 KiB | 7 Q