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