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@ 2013-09-25T09:27:36Z

<?php
function permutation(array $arr)
{
    while($ele=array_shift($arr))
    {
        $x=$ele;
        echo $x."\n";
        foreach($arr as $rest)
        {
            $x.=" $rest";
            echo $x."\n";
        }
    }
}
permutation(array("one","two","three","four"));

Output
Performance
VLD
References
Branches

array_shift: documentation ( source)

preferences:dark modelive previewkey bindings

141.75 ms | 404 KiB | 5 Q