gistfile1.aw

<?php

class Dog {
    public function paramSmart($val = null) {
        if (null !== $val) {
            return $this->paramSmart = $val;
        }

        return $this->paramSmart;
    }
}
class Cooper extends Dog {
    public function paramSmaht($val = null) {
        if (func_num_args() > 0) {
            return $this->paramSmart = $val;
        }

        return $this->paramSmart;
    }
}

function bench($test_obj, $iters = 1000) {
    echo PHP_EOL;

    $first_obj  = clone $test_obj;
    $second_obj = clone $test_obj;

    $init = microtime(true);
    for ($i = 0; $i < $iters; $i++) {
        $first_obj->paramSmart('testing');
        $first_obj->paramSmart();
    }
    printf('paramSmart time taken: %f'.PHP_EOL, (microtime(true) - $init));

    $init = microtime(true);
    for ($i = 0; $i < $iters; $i++) {
        $second_obj->paramSmaht('testing');
        $second_obj->paramSmaht();
    }
    printf('paramSmaht time taken: %f'.PHP_EOL, (microtime(true) - $init));

    echo PHP_EOL;
}