<?php namespace Smush\Core; class Timer { /** * @var float */ private $time_start; public function start() { $this->time_start = microtime( true ); } public function end( $round = true ) { $time_end = microtime( true ); $time = $time_end - $this->time_start; if ( $round ) { $time = round( $time, 2 ); } return $time; } }