3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pulse = array(); %val = json_encode($pulse); echo $var

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)
7.0.00.0100.07720.24
5.6.160.0030.07020.50
5.6.150.0270.03318.18
5.6.140.0130.05018.10
5.6.130.0000.04718.21
5.6.120.0130.08320.99
5.6.110.0070.07021.13
5.6.100.0030.08320.97
5.6.90.0070.04021.10
5.6.80.0200.05320.48
5.5.300.0070.07717.98
5.5.290.0000.06718.03
5.5.280.0070.04320.77
5.5.270.0070.06720.79
5.5.260.0070.08720.89
5.5.250.0070.07320.66
5.5.240.3900.04320.18

preferences:
137.88 ms | 1394 KiB | 7 Q