@ 2013-10-24T02:12:59Z <?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","five"));
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Output for 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.40 , 7.0.0 - 7.0.33 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.34 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 one
one two
one two three
one two three four
one two three four five
two
two three
two three four
two three four five
three
three four
three four five
four
four five
five
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308.99 ms | 405 KiB | 415 Q