<?php /* * This file is part of Twig. * * (c) Fabien Potencier * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ /** * @author Fabien Potencier <fabien@symfony.com> * * @final since version 2.4.0 */ class Twig_Profiler_Profile implements IteratorAggregate, Serializable { const ROOT = 'ROOT'; const BLOCK = 'block'; const TEMPLATE = 'template'; const MACRO = 'macro'; private $template; private $name; private $type; private $starts = array(); private $ends = array(); private $profiles = array(); public function __construct($template = 'main', $type = self::ROOT, $name = 'main') { if (__CLASS__ !== get_class($this)) { @trigger_error('Overriding '.__CLASS__.' is deprecated since version 2.4.0 and the class will be final in 3.0.', E_USER_DEPRECATED); } $this->template = $template; $this->type = $type; $this->name = 0 === strpos($name, '__internal_') ? 'INTERNAL' : $name; $this->enter(); } public function getTemplate() { return $this->template; } public function getType() { return $this->type; } public function getName() { return $this->name; } public function isRoot() { return self::ROOT === $this->type; } public function isTemplate() { return self::TEMPLATE === $this->type; } public function isBlock() { return self::BLOCK === $this->type; } public function isMacro() { return self::MACRO === $this->type; } public function getProfiles() { return $this->profiles; } public function addProfile(Twig_Profiler_Profile $profile) { $this->profiles[] = $profile; } /** * Returns the duration in microseconds. * * @return int */ public function getDuration() { if ($this->isRoot() && $this->profiles) { // for the root node with children, duration is the sum of all child durations $duration = 0; foreach ($this->profiles as $profile) { $duration += $profile->getDuration(); } return $duration; } return isset($this->ends['wt']) && isset($this->starts['wt']) ? $this->ends['wt'] - $this->starts['wt'] : 0; } /** * Returns the memory usage in bytes. * * @return int */ public function getMemoryUsage() { return isset($this->ends['mu']) && isset($this->starts['mu']) ? $this->ends['mu'] - $this->starts['mu'] : 0; } /** * Returns the peak memory usage in bytes. * * @return int */ public function getPeakMemoryUsage() { return isset($this->ends['pmu']) && isset($this->starts['pmu']) ? $this->ends['pmu'] - $this->starts['pmu'] : 0; } /** * Starts the profiling. */ public function enter() { $this->starts = array( 'wt' => microtime(true), 'mu' => memory_get_usage(), 'pmu' => memory_get_peak_usage(), ); } /** * Stops the profiling. */ public function leave() { $this->ends = array( 'wt' => microtime(true), 'mu' => memory_get_usage(), 'pmu' => memory_get_peak_usage(), ); } public function reset() { $this->starts = $this->ends = $this->profiles = array(); $this->enter(); } public function getIterator() { return new ArrayIterator($this->profiles); } public function serialize() { return serialize(array($this->template, $this->name, $this->type, $this->starts, $this->ends, $this->profiles)); } public function unserialize($data) { list($this->template, $this->name, $this->type, $this->starts, $this->ends, $this->profiles) = unserialize($data); } } class_alias('Twig_Profiler_Profile', 'Twig\Profiler\Profile', false);