Simple PHP benchmarking script

php-benchmark.php

<?php

$benchmark_time = microtime(1);
$benchmark_string = '';
function benchmark( $string = ''){
    global $benchmark_time, $benchmark_string;
    $return = sprintf('%f', microtime(1) - $benchmark_time) . 's ' . $benchmark_string;
    $benchmark_time = microtime(1);
    $benchmark_string = $string;
    return $return;
}


echo benchmark('START').PHP_EOL;
echo benchmark('Sleep one second').PHP_EOL;
sleep(1);
echo benchmark('Sleep two seconds').PHP_EOL;
sleep(2);
echo benchmark('END').PHP_EOL;