3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array("Volvo","XC90",array("BMW","Toyota")); $reverse=array_reverse($a); $preserve=array_reverse($a,true); unset($reverse.current()); print_r($a); print_r($reverse); print_r($preserve); ?>

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)
7.0.00.0100.08320.20
5.6.160.0170.07320.54
5.6.150.0070.03718.16
5.6.140.0070.07318.15
5.6.130.0030.06318.17
5.6.120.0100.04320.98
5.6.110.0100.07020.98
5.6.100.0100.07020.95
5.6.90.0130.08021.03
5.6.80.0100.07720.40
5.5.300.0130.05317.94
5.5.290.0100.03318.07
5.5.280.0100.04320.79
5.5.270.0030.08020.76
5.5.260.0200.07020.79
5.5.250.0200.06720.67
5.5.240.0100.04720.25

preferences:
136.42 ms | 1398 KiB | 7 Q