Simple benchmark function for PHP >5.3

bench.php

<?php
/**
 * Very simplistic timing
 *
 * @param string   $name  Name of the current timing
 * @param callback $what  Function pointer to be executed
 * @param int      $times Number of times the function will be executed
 */
function bench($name, $what, $times = 1000) {
    $start = microtime(true);
    for ($i = 0; $i < $times; ++$i) {
        $what();
    }
    $end = microtime(true);

    echo $name . ': ' . ($end - $start) . PHP_EOL;
}