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@ 2016-11-21T11:07:30Z

<?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
                (
                '0' => 'Cardio',
                '1' => 'Strength Training',
                '2' => 'Dancing',
                '3' => 'Martial Arts',
                '4' => 'Low Impact',
                '5' => 'Yoga',
            )
);

Output
Performance
VLD
References
Branches

array_shift: documentation ( source)

preferences:dark modelive preview

66.89 ms | 402 KiB | 5 Q