Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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Profile.php
001 <?php
002
003 /*
004 * This file is part of Twig.
005 *
006 * (c) Fabien Potencier
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Twig\Profiler;
013
014 /**
015 * @author Fabien Potencier <fabien@symfony.com>
016 *
017 * @final since Twig 2.4.0
018 */
019 class Profile implements \IteratorAggregate, \Serializable
020 {
021 public const ROOT = 'ROOT';
022 public const BLOCK = 'block';
023 public const TEMPLATE = 'template';
024 public const MACRO = 'macro';
025
026 private $template;
027 private $name;
028 private $type;
029 private $starts = [];
030 private $ends = [];
031 private $profiles = [];
032
033 public function __construct(string $template = 'main', string $type = self::ROOT, string $name = 'main')
034 {
035 if (__CLASS__ !== static::class) {
036 @trigger_error('Overriding '.__CLASS__.' is deprecated since Twig 2.4.0 and the class will be final in 3.0.', \E_USER_DEPRECATED);
037 }
038
039 $this->template = $template;
040 $this->type = $type;
041 $this->name = 0 === strpos($name, '__internal_') ? 'INTERNAL' : $name;
042 $this->enter();
043 }
044
045 public function getTemplate()
046 {
047 return $this->template;
048 }
049
050 public function getType()
051 {
052 return $this->type;
053 }
054
055 public function getName()
056 {
057 return $this->name;
058 }
059
060 public function isRoot()
061 {
062 return self::ROOT === $this->type;
063 }
064
065 public function isTemplate()
066 {
067 return self::TEMPLATE === $this->type;
068 }
069
070 public function isBlock()
071 {
072 return self::BLOCK === $this->type;
073 }
074
075 public function isMacro()
076 {
077 return self::MACRO === $this->type;
078 }
079
080 public function getProfiles()
081 {
082 return $this->profiles;
083 }
084
085 public function addProfile(self $profile)
086 {
087 $this->profiles[] = $profile;
088 }
089
090 /**
091 * Returns the duration in microseconds.
092 *
093 * @return float
094 */
095 public function getDuration()
096 {
097 if ($this->isRoot() && $this->profiles) {
098 // for the root node with children, duration is the sum of all child durations
099 $duration = 0;
100 foreach ($this->profiles as $profile) {
101 $duration += $profile->getDuration();
102 }
103
104 return $duration;
105 }
106
107 return isset($this->ends['wt']) && isset($this->starts['wt']) ? $this->ends['wt'] - $this->starts['wt'] : 0;
108 }
109
110 /**
111 * Returns the memory usage in bytes.
112 *
113 * @return int
114 */
115 public function getMemoryUsage()
116 {
117 return isset($this->ends['mu']) && isset($this->starts['mu']) ? $this->ends['mu'] - $this->starts['mu'] : 0;
118 }
119
120 /**
121 * Returns the peak memory usage in bytes.
122 *
123 * @return int
124 */
125 public function getPeakMemoryUsage()
126 {
127 return isset($this->ends['pmu']) && isset($this->starts['pmu']) ? $this->ends['pmu'] - $this->starts['pmu'] : 0;
128 }
129
130 /**
131 * Starts the profiling.
132 */
133 public function enter()
134 {
135 $this->starts = [
136 'wt' => microtime(true),
137 'mu' => memory_get_usage(),
138 'pmu' => memory_get_peak_usage(),
139 ];
140 }
141
142 /**
143 * Stops the profiling.
144 */
145 public function leave()
146 {
147 $this->ends = [
148 'wt' => microtime(true),
149 'mu' => memory_get_usage(),
150 'pmu' => memory_get_peak_usage(),
151 ];
152 }
153
154 public function reset()
155 {
156 $this->starts = $this->ends = $this->profiles = [];
157 $this->enter();
158 }
159
160 #[\ReturnTypeWillChange]
161 public function getIterator(): \Traversable
162 {
163 return new \ArrayIterator($this->profiles);
164 }
165
166 public function serialize(): string
167 {
168 return serialize($this->__serialize());
169 }
170
171 public function unserialize($data): void
172 {
173 $this->__unserialize(unserialize($data));
174 }
175
176 /**
177 * @internal
178 */
179 public function __serialize(): array
180 {
181 return [$this->template, $this->name, $this->type, $this->starts, $this->ends, $this->profiles];
182 }
183
184 /**
185 * @internal
186 */
187 public function __unserialize(array $data): void
188 {
189 list($this->template, $this->name, $this->type, $this->starts, $this->ends, $this->profiles) = $data;
190 }
191 }
192
193 class_alias('Twig\Profiler\Profile', 'Twig_Profiler_Profile');
194