Time elapsed

timeelapsed.php

<?php

/**
 * Inline profiler :)
 *
 *  $time = s();
 *  for ($i = 0; $i < 100000; $i++) {
 *      $j = $i + 1;
 *  }
 *  s($time);
 *
 * @param bool|int $time
 * @return mixed
 */
function s($time = false)
{
    if ($time) {
        echo number_format(microtime(true) - $time, 2) . 's';
    } else {
        return microtime(true);
    }
}


$t = s();
for ($i = 0; $i < 100000; $i++) {
    $j = $i + 1;
}
s($t);