Online PHP editor | refs for qMR4s

@ 2014-05-04T00:25:34Z

<?php
function couple($items)
        {
                $a = array();
                for ($i = 0, $n = count($items); $i < $n; $i++)
                        for ($j = $i + 1; $j < $n; $j++)
                                $a[] = array($items[$j], $items[$i]);
                return $a;
        }

var_dump(couple(array(1,2,3)))
?>