gistfile1.php

    $arrays[] = $column1;
    $arrays[] = $column2;
    $arrays[] = $column3;
    $arrays[] = $column4;


    $return = array();

    for($x=0;$x<3;$x++){
        for($y=0;$y<4;$y++){
            $return[] = $arrays[$y][$x];
        }
    }



   print_r($return);