3v4l.org

run code in 300+ PHP versions simultaneously
<?php function encrypt($cr){ $c=$b=$a=array(); $d=array('?', '(' , '@' , ';' , '$','#',']','&','*'); $d=array_merge(range($d,'a','z'),range('A','Z'),range(0,9)); $d=array_merge($d,array('!',')','_','+','|','%','/','[','.',' ') ); $e=9;$f=0; for(;$f<$e;$f++) { for($g=0;$g<$e;$g++){ $b[$f][$g]=$d[$f*$e+$g]; $a[$f][$g]=str_rot13($d[($e*$e-1)-($f*$e+$g)]); } } unset($d); $h=floor(strlen($cr)/2)*2; if(strlen($cr)==$h) { } } } ?>

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)
7.0.00.0200.07320.23
5.6.160.0000.04320.56
5.6.150.0070.08018.17
5.6.140.0070.06318.24
5.6.130.0070.08018.25
5.6.120.0100.08021.02
5.6.110.0030.08021.21
5.6.100.0070.08321.13
5.6.90.0100.08021.04
5.6.80.0030.04020.42
5.5.300.0000.04717.97
5.5.290.0070.08718.10
5.5.280.0130.06020.84
5.5.270.0130.08020.78
5.5.260.0100.06320.89
5.5.250.0100.08720.59
5.5.240.0230.07020.28

preferences:
141.98 ms | 1394 KiB | 7 Q