Yii2 Bootstrap 3
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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\debug;
use Yii;
use yii\log\Target;
/**
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class LogTarget extends Target
{
/**
* @var Module
*/
public $module;
public $maxLogFiles = 20;
public function __construct($module, $config = array())
{
parent::__construct($config);
$this->module = $module;
}
/**
* Exports log messages to a specific destination.
* Child classes must implement this method.
*/
public function export()
{
$path = Yii::$app->getRuntimePath() . '/debug';
if (!is_dir($path)) {
mkdir($path);
}
$tag = Yii::$app->getLog()->getTag();
$file = "$path/$tag.log";
$data = array();
foreach ($this->module->panels as $panel) {
$data[$panel->id] = $panel->save();
}
file_put_contents($file, json_encode($data));
}
/**
* Processes the given log messages.
* This method will filter the given messages with [[levels]] and [[categories]].
* And if requested, it will also export the filtering result to specific medium (e.g. email).
* @param array $messages log messages to be processed. See [[Logger::messages]] for the structure
* of each message.
* @param boolean $final whether this method is called at the end of the current application
*/
public function collect($messages, $final)
{
$this->messages = array_merge($this->messages, $this->filterMessages($messages));
if ($final) {
$this->export($this->messages);
$this->gc();
}
}
protected function gc()
{
if (mt_rand(0, 10000) > 100) {
return;
}
$iterator = new \DirectoryIterator(Yii::$app->getRuntimePath() . '/debug');
$files = array();
foreach ($iterator as $file) {
/** @var \DirectoryIterator $file */
if (preg_match('/^[\d\-]+\.log$/', $file->getFileName()) && $file->isFile()) {
$files[] = $file->getPathname();
}
}
sort($files);
if (count($files) > $this->maxLogFiles) {
$n = count($files) - $this->maxLogFiles;
foreach ($files as $i => $file) {
if ($i < $n) {
unlink($file);
} else {
break;
}
}
}
}
}