function bench2() { $a = ''; $b = ''; $c = ''; _b2($a, $b, $c); //return array($a,$b); }
function bench2() { global $STR; _b2($STR); }
function bench2() { global $ARR; _b2($ARR); }
function bench2() { $x = _b2(); }
function bench2() { global $X; _b2($X); }