gistfile1.txt

function switch_int($which) {
    switch($which) {
    case 0:
        return 2;
    case 1:
        return 1;
    }
}

function switch_string($which) {
    switch($which) {
    case 'aaaaaaaaaaaaaaa':
        return 2;
    case 'aaaaaaaxaaaaaaa':
        return 1;
    }
}


function loop_int($times) {
    $acc = 0;

    for($i = 0; $i<$times; $i++) {
        $choice = $i % 2;
        $acc += switch_int($choice);
    }
}

function loop_string($times) {
    $choices = array('aaaaaaaaaaaaaaa','aaaaaaaxaaaaaaa');

    $acc = 0;

    for($i = 0; $i<$times; $i++) {
        $choice = $choices[$i % 2];
        $acc += switch_string($choice);
    }
}