150 lines
3.1 KiB
PHP
150 lines
3.1 KiB
PHP
<?php
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/*
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* This file is part of the Symfony framework.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* This source file is subject to the MIT license that is bundled
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* with this source code in the file LICENSE.
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*/
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namespace Symfony\Component\HttpKernel\Debug;
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/**
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* Represents an Event managed by Stopwatch.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class StopwatchEvent
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{
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private $periods;
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private $start;
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private $origin;
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private $category;
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private $started;
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/**
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* Constructor.
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*
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* @param integer $origin The origin time in milliseconds
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* @param string $category The event category
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*/
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public function __construct($origin, $category = null)
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{
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$this->origin = $origin;
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$this->category = $category ?: 'default';
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$this->started = array();
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$this->periods = array();
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}
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/**
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* Gets the category.
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*
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* @return string The category
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*/
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public function getCategory()
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{
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return $this->category;
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}
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/**
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* Gets the origin.
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*
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* @return integer The origin in milliseconds
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*/
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public function getOrigin()
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{
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return $this->origin;
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}
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/**
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* Starts a new event period.
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*/
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public function start()
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{
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$this->started[] = $this->getNow();
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}
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/**
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* Stops the last started event period.
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*/
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public function stop()
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{
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if (!count($this->started)) {
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throw new \LogicException('stop() called but start() has not been called before.');
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}
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$this->periods[] = array(array_pop($this->started), $this->getNow());
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}
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/**
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* Stops the current period and then starts a new one.
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*/
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public function lap()
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{
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$this->stop();
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$this->start();
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}
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/**
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* Stops all non already stopped periods.
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*/
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public function ensureStopped()
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{
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while (count($this->started)) {
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$this->stop();
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}
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}
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/**
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* Gets all event periods.
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*
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* @return array An array of periods
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*/
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public function getPeriods()
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{
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return $this->periods;
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}
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/**
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* Gets the relative time of the start of the first period.
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*
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* @return integer The time (in milliseconds)
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*/
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public function getStartTime()
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{
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return isset($this->periods[0]) ? $this->periods[0][0] : 0;
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}
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/**
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* Gets the relative time of the end of the last period.
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*
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* @return integer The time (in milliseconds)
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*/
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public function getEndTime()
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{
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return count($this->periods) ? $this->periods[count($this->periods) - 1][1] : 0;
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}
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/**
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* Gets the total time of all periods.
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*
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* @return integer The time (in milliseconds)
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*/
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public function getTotalTime()
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{
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$total = 0;
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foreach ($this->periods as $period) {
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$total += $period[1] - $period[0];
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}
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return (int) sprintf('%d', $total);
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}
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private function getNow()
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{
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return (int) sprintf('%d', microtime(true) * 1000 - $this->origin);
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}
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}
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