3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=[];$a[]=&Sa;$a[]=&Sa;$a[]=&Sa; var_dump($a);

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)
7.0.20.0300.06720.10
7.0.10.0170.07720.15
7.0.00.0070.06320.14
5.6.170.0330.07320.45
5.6.160.0030.08720.47
5.6.150.0130.07318.14
5.6.140.0070.05718.21
5.6.130.0130.08018.19
5.6.120.0030.04721.09
5.6.110.0100.06721.00
5.6.100.0030.09020.88
5.6.90.0070.09720.98
5.6.80.0170.03720.24
5.5.310.0130.08020.19
5.5.300.0130.07717.95
5.5.290.0130.06718.03
5.5.280.0030.04020.79
5.5.270.0100.05720.79
5.5.260.0130.07020.75
5.5.250.0070.07720.77
5.5.240.0030.06320.19

preferences:
139.15 ms | 1394 KiB | 7 Q