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<?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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namespace yii\log; |
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use Yii; |
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use yii\helpers\VarDumper; |
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/** |
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* SyslogTarget writes log to syslog. |
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* |
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* @author miramir <[email protected]> |
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* @since 2.0 |
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*/ |
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class SyslogTarget extends Target |
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{ |
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/** |
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* @var string syslog identity |
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*/ |
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public $identity; |
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/** |
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* @var int syslog facility. |
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*/ |
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public $facility = LOG_USER; |
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/** |
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* @var int openlog options. This is a bitfield passed as the `$option` parameter to [openlog()](http://php.net/openlog). |
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* Defaults to `null` which means to use the default options `LOG_ODELAY | LOG_PID`. |
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* @see http://php.net/openlog for available options. |
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* @since 2.0.11 |
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*/ |
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public $options; |
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/** |
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* @var array syslog levels |
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*/ |
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private $_syslogLevels = [ |
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Logger::LEVEL_TRACE => LOG_DEBUG, |
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Logger::LEVEL_PROFILE_BEGIN => LOG_DEBUG, |
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Logger::LEVEL_PROFILE_END => LOG_DEBUG, |
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Logger::LEVEL_PROFILE => LOG_DEBUG, |
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Logger::LEVEL_INFO => LOG_INFO, |
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Logger::LEVEL_WARNING => LOG_WARNING, |
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Logger::LEVEL_ERROR => LOG_ERR, |
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]; |
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/** |
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* @inheritdoc |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if ($this->options === null) { |
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$this->options = LOG_ODELAY | LOG_PID; |
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} |
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} |
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/** |
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* Writes log messages to syslog |
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*/ |
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1 |
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public function export() |
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{ |
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openlog($this->identity, $this->options, $this->facility); |
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foreach ($this->messages as $message) { |
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syslog($this->_syslogLevels[$message[1]], $this->formatMessage($message)); |
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1 |
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} |
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1 |
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closelog(); |
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1 |
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} |
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/** |
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* @inheritdoc |
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*/ |
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3 |
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public function formatMessage($message) |
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{ |
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list($text, $level, $category, $timestamp) = $message; |
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$level = Logger::getLevelName($level); |
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if (!is_string($text)) { |
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// exceptions may not be serializable if in the call stack somewhere is a Closure |
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if ($text instanceof \Throwable || $text instanceof \Exception) { |
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$text = (string) $text; |
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} else { |
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$text = VarDumper::export($text); |
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} |
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} |
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$prefix = $this->getMessagePrefix($message); |
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return "{$prefix}[$level][$category] $text"; |
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} |
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} |
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yiisoft /
yii2
This checks looks for assignemnts to variables using the
list(...)function, where not all assigned variables are subsequently used.Consider the following code example.
Only the variables
$aand$care used. There was no need to assign$b.Instead, the list call could have been.