Profile.php in Zircon Profile 8

File

vendor/twig/twig/lib/Twig/Profiler/Profile.php

<?php

/*
 * This file is part of Twig.
 *
 * (c) 2015 Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * @author Fabien Potencier <[e-mail]>
 */
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') {
    $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() {
    $this->ends = array(
      'wt' => microtime(true),
      'mu' => memory_get_usage(),
      'pmu' => memory_get_peak_usage(),
    );
  }
  public function getIterator() {
    return new ArrayIterator($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);
  }

}

Classes

Name	Description
Twig_Profiler_Profile	@author Fabien Potencier <[e-mail]>