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							90 lines
						
					
					
						
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							90 lines
						
					
					
						
							2.3 KiB
						
					
					
				<?php | 
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/** | 
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 * @link http://www.yiiframework.com/ | 
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 * @copyright Copyright (c) 2008 Yii Software LLC | 
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 * @license http://www.yiiframework.com/license/ | 
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 */ | 
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 | 
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namespace yii\debug; | 
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 | 
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use Yii; | 
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use yii\logging\Target; | 
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 | 
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/** | 
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 * @author Qiang Xue <qiang.xue@gmail.com> | 
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 * @since 2.0 | 
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 */ | 
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class LogTarget extends Target | 
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{ | 
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	public $maxLogFiles = 20; | 
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 | 
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	/** | 
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	 * Exports log messages to a specific destination. | 
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	 * Child classes must implement this method. | 
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	 * @param array $messages the messages to be exported. See [[Logger::messages]] for the structure | 
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	 * of each message. | 
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	 */ | 
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	public function export($messages) | 
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	{ | 
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		$path = Yii::$app->getRuntimePath() . '/debug'; | 
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		if (!is_dir($path)) { | 
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			mkdir($path); | 
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		} | 
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		$file = $path . '/' . Yii::getLogger()->getTag() . '.log'; | 
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		$data = array( | 
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			'messages' => $messages, | 
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			'_SERVER' => $_SERVER, | 
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			'_GET' => $_GET, | 
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			'_POST' => $_POST, | 
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			'_COOKIE' => $_COOKIE, | 
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			'_FILES' => empty($_FILES) ? array() : $_FILES, | 
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			'_SESSION' => empty($_SESSION) ? array() : $_SESSION, | 
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			'memory' => memory_get_peak_usage(), | 
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			'time' => microtime(true) - YII_BEGIN_TIME, | 
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		); | 
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		file_put_contents($file, json_encode($data)); | 
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	} | 
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 | 
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	/** | 
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	 * Processes the given log messages. | 
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	 * This method will filter the given messages with [[levels]] and [[categories]]. | 
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	 * And if requested, it will also export the filtering result to specific medium (e.g. email). | 
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	 * @param array $messages log messages to be processed. See [[Logger::messages]] for the structure | 
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	 * of each message. | 
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	 * @param boolean $final whether this method is called at the end of the current application | 
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	 */ | 
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	public function collect($messages, $final) | 
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	{ | 
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		$this->messages = array_merge($this->messages, $this->filterMessages($messages)); | 
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		if ($final) { | 
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			$this->export($this->messages); | 
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			$this->gc(); | 
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		} | 
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	} | 
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 | 
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	protected function gc() | 
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	{ | 
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		if (mt_rand(0, 10000) > 100) { | 
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			return; | 
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		} | 
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		$iterator = new \DirectoryIterator(Yii::$app->getRuntimePath() . '/debug'); | 
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		$files = array(); | 
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		foreach ($iterator as $file) { | 
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			/** @var \DirectoryIterator $file */ | 
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			if (preg_match('/^[\d\-]+\.log$/', $file->getFileName()) && $file->isFile()) { | 
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				$files[] = $file->getPathname(); | 
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			} | 
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		} | 
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		sort($files); | 
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		if (count($files) > $this->maxLogFiles) { | 
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			$n = count($files) - $this->maxLogFiles; | 
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			foreach ($files as $i => $file) { | 
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				if ($i < $n) { | 
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					unlink($file); | 
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				} else { | 
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					break; | 
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				} | 
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			} | 
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		} | 
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	} | 
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}
 | 
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 |