PHP Bubble Sort

bubble.php

<?php

function main() {
    for ($c=0;$c<1000000;$c++) {
        bubble();
    }
}

function bubble() {
    $array = array(3,4,1,3,5,1,92,2,4124,424,52,12);

    for ($i=0;$i<count($array);$i++) {
        for ($y=0;$y<count($array)-1;$y++) {
            if ($array[$y+1] < $array[$y]) {
                $t = $array[$y];
                $array[$y] = $array[$y+1];
                $array[$y+1] = $t;
            }
        }
    }
}

main();

HHVM
$ time hhvm -v Eval.Jit=true hhvm.php

real 0m2.622s
real 0m2.657s
real 0m2.615s
real 0m2.662s
real 0m2.599s

PHP 5.5 OPcache
$ time php hhvm.php

real 0m30.421s
real 0m27.603s
real 0m27.695s
real 0m27.336s
real 0m27.706s