625 Zeilen
19 KiB
PHP
625 Zeilen
19 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Log
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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/**
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* @category Zend
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* @package Zend_Log
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id$
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*/
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class Zend_Log
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{
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const EMERG = 0; // Emergency: system is unusable
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const ALERT = 1; // Alert: action must be taken immediately
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const CRIT = 2; // Critical: critical conditions
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const ERR = 3; // Error: error conditions
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const WARN = 4; // Warning: warning conditions
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const NOTICE = 5; // Notice: normal but significant condition
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const INFO = 6; // Informational: informational messages
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const DEBUG = 7; // Debug: debug messages
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/**
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* @var array of priorities where the keys are the
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* priority numbers and the values are the priority names
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*/
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protected $_priorities = array();
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/**
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* @var array of Zend_Log_Writer_Abstract
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*/
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protected $_writers = array();
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/**
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* @var array of Zend_Log_Filter_Interface
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*/
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protected $_filters = array();
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/**
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* @var array of extra log event
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*/
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protected $_extras = array();
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/**
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*
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* @var string
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*/
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protected $_defaultWriterNamespace = 'Zend_Log_Writer';
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/**
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*
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* @var string
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*/
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protected $_defaultFilterNamespace = 'Zend_Log_Filter';
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/**
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*
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* @var string
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*/
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protected $_defaultFormatterNamespace = 'Zend_Log_Formatter';
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/**
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*
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* @var callback
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*/
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protected $_origErrorHandler = null;
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/**
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*
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* @var boolean
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*/
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protected $_registeredErrorHandler = false;
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/**
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*
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* @var array|boolean
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*/
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protected $_errorHandlerMap = false;
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/**
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*
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* @var string
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*/
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protected $_timestampFormat = 'c';
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/**
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* Class constructor. Create a new logger
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*
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* @param Zend_Log_Writer_Abstract|null $writer default writer
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* @return void
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*/
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public function __construct(Zend_Log_Writer_Abstract $writer = null)
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{
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$r = new ReflectionClass($this);
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$this->_priorities = array_flip($r->getConstants());
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if ($writer !== null) {
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$this->addWriter($writer);
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}
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}
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/**
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* Factory to construct the logger and one or more writers
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* based on the configuration array
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*
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* @param array|Zend_Config Array or instance of Zend_Config
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* @return Zend_Log
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* @throws Zend_Log_Exception
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*/
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static public function factory($config = array())
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{
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if ($config instanceof Zend_Config) {
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$config = $config->toArray();
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}
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if (!is_array($config) || empty($config)) {
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/** @see Zend_Log_Exception */
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require_once 'Zend/Log/Exception.php';
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throw new Zend_Log_Exception('Configuration must be an array or instance of Zend_Config');
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}
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$log = new self;
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if (array_key_exists('timestampFormat', $config)) {
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if (null != $config['timestampFormat'] && '' != $config['timestampFormat']) {
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$log->setTimestampFormat($config['timestampFormat']);
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}
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unset($config['timestampFormat']);
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}
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if (!is_array(current($config))) {
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$log->addWriter(current($config));
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} else {
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foreach($config as $writer) {
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$log->addWriter($writer);
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}
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}
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return $log;
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}
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/**
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* Construct a writer object based on a configuration array
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*
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* @param array $spec config array with writer spec
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* @return Zend_Log_Writer_Abstract
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* @throws Zend_Log_Exception
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*/
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protected function _constructWriterFromConfig($config)
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{
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$writer = $this->_constructFromConfig('writer', $config, $this->_defaultWriterNamespace);
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if (!$writer instanceof Zend_Log_Writer_Abstract) {
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$writerName = is_object($writer)
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? get_class($writer)
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: 'The specified writer';
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/** @see Zend_Log_Exception */
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require_once 'Zend/Log/Exception.php';
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throw new Zend_Log_Exception("{$writerName} does not extend Zend_Log_Writer_Abstract!");
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}
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if (isset($config['filterName'])) {
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$filter = $this->_constructFilterFromConfig($config);
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$writer->addFilter($filter);
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}
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if (isset($config['formatterName'])) {
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$formatter = $this->_constructFormatterFromConfig($config);
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$writer->setFormatter($formatter);
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}
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return $writer;
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}
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/**
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* Construct filter object from configuration array or Zend_Config object
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*
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* @param array|Zend_Config $config Zend_Config or Array
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* @return Zend_Log_Filter_Interface
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* @throws Zend_Log_Exception
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*/
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protected function _constructFilterFromConfig($config)
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{
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$filter = $this->_constructFromConfig('filter', $config, $this->_defaultFilterNamespace);
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if (!$filter instanceof Zend_Log_Filter_Interface) {
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$filterName = is_object($filter)
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? get_class($filter)
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: 'The specified filter';
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/** @see Zend_Log_Exception */
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require_once 'Zend/Log/Exception.php';
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throw new Zend_Log_Exception("{$filterName} does not implement Zend_Log_Filter_Interface");
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}
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return $filter;
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}
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/**
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* Construct formatter object from configuration array or Zend_Config object
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*
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* @param array|Zend_Config $config Zend_Config or Array
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* @return Zend_Log_Formatter_Interface
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* @throws Zend_Log_Exception
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*/
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protected function _constructFormatterFromConfig($config)
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{
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$formatter = $this->_constructFromConfig('formatter', $config, $this->_defaultFormatterNamespace);
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if (!$formatter instanceof Zend_Log_Formatter_Interface) {
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$formatterName = is_object($formatter)
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? get_class($formatter)
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: 'The specified formatter';
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/** @see Zend_Log_Exception */
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require_once 'Zend/Log/Exception.php';
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throw new Zend_Log_Exception($formatterName . ' does not implement Zend_Log_Formatter_Interface');
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}
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return $formatter;
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}
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/**
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* Construct a filter or writer from config
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*
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* @param string $type 'writer' of 'filter'
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* @param mixed $config Zend_Config or Array
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* @param string $namespace
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* @return object
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* @throws Zend_Log_Exception
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*/
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protected function _constructFromConfig($type, $config, $namespace)
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{
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if ($config instanceof Zend_Config) {
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$config = $config->toArray();
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}
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if (!is_array($config) || empty($config)) {
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require_once 'Zend/Log/Exception.php';
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throw new Zend_Log_Exception(
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'Configuration must be an array or instance of Zend_Config'
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);
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}
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$params = isset($config[ $type .'Params' ]) ? $config[ $type .'Params' ] : array();
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$className = $this->getClassName($config, $type, $namespace);
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if (!class_exists($className)) {
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require_once 'Zend/Loader.php';
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Zend_Loader::loadClass($className);
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}
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$reflection = new ReflectionClass($className);
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if (!$reflection->implementsInterface('Zend_Log_FactoryInterface')) {
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require_once 'Zend/Log/Exception.php';
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throw new Zend_Log_Exception(
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$className . ' does not implement Zend_Log_FactoryInterface and can not be constructed from config.'
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);
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}
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return call_user_func(array($className, 'factory'), $params);
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}
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/**
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* Get the writer or filter full classname
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*
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* @param array $config
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* @param string $type filter|writer
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* @param string $defaultNamespace
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* @return string full classname
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* @throws Zend_Log_Exception
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*/
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protected function getClassName($config, $type, $defaultNamespace)
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{
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if (!isset($config[ $type . 'Name' ])) {
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require_once 'Zend/Log/Exception.php';
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throw new Zend_Log_Exception("Specify {$type}Name in the configuration array");
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}
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$className = $config[ $type . 'Name' ];
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$namespace = $defaultNamespace;
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if (isset($config[ $type . 'Namespace' ])) {
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$namespace = $config[ $type . 'Namespace' ];
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}
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$fullClassName = $namespace . '_' . $className;
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return $fullClassName;
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}
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/**
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* Packs message and priority into Event array
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*
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* @param string $message Message to log
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* @param integer $priority Priority of message
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* @return array Event array
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*/
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protected function _packEvent($message, $priority)
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{
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return array_merge(array(
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'timestamp' => date($this->_timestampFormat),
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'message' => $message,
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'priority' => $priority,
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'priorityName' => $this->_priorities[$priority]
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),
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$this->_extras
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);
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}
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/**
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* Class destructor. Shutdown log writers
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*
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* @return void
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*/
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public function __destruct()
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{
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foreach($this->_writers as $writer) {
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$writer->shutdown();
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}
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}
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/**
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* Undefined method handler allows a shortcut:
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* $log->priorityName('message')
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* instead of
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* $log->log('message', Zend_Log::PRIORITY_NAME)
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*
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* @param string $method priority name
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* @param string $params message to log
|
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* @return void
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* @throws Zend_Log_Exception
|
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*/
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public function __call($method, $params)
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{
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$priority = strtoupper($method);
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if (($priority = array_search($priority, $this->_priorities)) !== false) {
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switch (count($params)) {
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case 0:
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/** @see Zend_Log_Exception */
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require_once 'Zend/Log/Exception.php';
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throw new Zend_Log_Exception('Missing log message');
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case 1:
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$message = array_shift($params);
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$extras = null;
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break;
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default:
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$message = array_shift($params);
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$extras = array_shift($params);
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break;
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}
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$this->log($message, $priority, $extras);
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} else {
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/** @see Zend_Log_Exception */
|
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require_once 'Zend/Log/Exception.php';
|
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throw new Zend_Log_Exception('Bad log priority');
|
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}
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}
|
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|
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|
||
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/**
|
||
|
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* Log a message at a priority
|
||
|
|
*
|
||
|
|
* @param string $message Message to log
|
||
|
|
* @param integer $priority Priority of message
|
||
|
|
* @param mixed $extras Extra information to log in event
|
||
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* @return void
|
||
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* @throws Zend_Log_Exception
|
||
|
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*/
|
||
|
|
public function log($message, $priority, $extras = null)
|
||
|
|
{
|
||
|
|
// sanity checks
|
||
|
|
if (empty($this->_writers)) {
|
||
|
|
/** @see Zend_Log_Exception */
|
||
|
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require_once 'Zend/Log/Exception.php';
|
||
|
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throw new Zend_Log_Exception('No writers were added');
|
||
|
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}
|
||
|
|
|
||
|
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if (! isset($this->_priorities[$priority])) {
|
||
|
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/** @see Zend_Log_Exception */
|
||
|
|
require_once 'Zend/Log/Exception.php';
|
||
|
|
throw new Zend_Log_Exception('Bad log priority');
|
||
|
|
}
|
||
|
|
|
||
|
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// pack into event required by filters and writers
|
||
|
|
$event = $this->_packEvent($message, $priority);
|
||
|
|
|
||
|
|
// Check to see if any extra information was passed
|
||
|
|
if (!empty($extras)) {
|
||
|
|
$info = array();
|
||
|
|
if (is_array($extras)) {
|
||
|
|
foreach ($extras as $key => $value) {
|
||
|
|
if (is_string($key)) {
|
||
|
|
$event[$key] = $value;
|
||
|
|
} else {
|
||
|
|
$info[] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$info = $extras;
|
||
|
|
}
|
||
|
|
if (!empty($info)) {
|
||
|
|
$event['info'] = $info;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// abort if rejected by the global filters
|
||
|
|
foreach ($this->_filters as $filter) {
|
||
|
|
if (! $filter->accept($event)) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// send to each writer
|
||
|
|
foreach ($this->_writers as $writer) {
|
||
|
|
$writer->write($event);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a custom priority
|
||
|
|
*
|
||
|
|
* @param string $name Name of priority
|
||
|
|
* @param integer $priority Numeric priority
|
||
|
|
* @throws Zend_Log_Exception
|
||
|
|
*/
|
||
|
|
public function addPriority($name, $priority)
|
||
|
|
{
|
||
|
|
// Priority names must be uppercase for predictability.
|
||
|
|
$name = strtoupper($name);
|
||
|
|
|
||
|
|
if (isset($this->_priorities[$priority])
|
||
|
|
|| false !== array_search($name, $this->_priorities)) {
|
||
|
|
/** @see Zend_Log_Exception */
|
||
|
|
require_once 'Zend/Log/Exception.php';
|
||
|
|
throw new Zend_Log_Exception('Existing priorities cannot be overwritten');
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_priorities[$priority] = $name;
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a filter that will be applied before all log writers.
|
||
|
|
* Before a message will be received by any of the writers, it
|
||
|
|
* must be accepted by all filters added with this method.
|
||
|
|
*
|
||
|
|
* @param int|Zend_Config|array|Zend_Log_Filter_Interface $filter
|
||
|
|
* @return Zend_Log
|
||
|
|
* @throws Zend_Log_Exception
|
||
|
|
*/
|
||
|
|
public function addFilter($filter)
|
||
|
|
{
|
||
|
|
if (is_int($filter)) {
|
||
|
|
/** @see Zend_Log_Filter_Priority */
|
||
|
|
require_once 'Zend/Log/Filter/Priority.php';
|
||
|
|
$filter = new Zend_Log_Filter_Priority($filter);
|
||
|
|
|
||
|
|
} elseif ($filter instanceof Zend_Config || is_array($filter)) {
|
||
|
|
$filter = $this->_constructFilterFromConfig($filter);
|
||
|
|
|
||
|
|
} elseif(! $filter instanceof Zend_Log_Filter_Interface) {
|
||
|
|
/** @see Zend_Log_Exception */
|
||
|
|
require_once 'Zend/Log/Exception.php';
|
||
|
|
throw new Zend_Log_Exception('Invalid filter provided');
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_filters[] = $filter;
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add a writer. A writer is responsible for taking a log
|
||
|
|
* message and writing it out to storage.
|
||
|
|
*
|
||
|
|
* @param mixed $writer Zend_Log_Writer_Abstract or Config array
|
||
|
|
* @return Zend_Log
|
||
|
|
*/
|
||
|
|
public function addWriter($writer)
|
||
|
|
{
|
||
|
|
if (is_array($writer) || $writer instanceof Zend_Config) {
|
||
|
|
$writer = $this->_constructWriterFromConfig($writer);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$writer instanceof Zend_Log_Writer_Abstract) {
|
||
|
|
/** @see Zend_Log_Exception */
|
||
|
|
require_once 'Zend/Log/Exception.php';
|
||
|
|
throw new Zend_Log_Exception(
|
||
|
|
'Writer must be an instance of Zend_Log_Writer_Abstract'
|
||
|
|
. ' or you should pass a configuration array'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_writers[] = $writer;
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set an extra item to pass to the log writers.
|
||
|
|
*
|
||
|
|
* @param string $name Name of the field
|
||
|
|
* @param string $value Value of the field
|
||
|
|
* @return Zend_Log
|
||
|
|
*/
|
||
|
|
public function setEventItem($name, $value)
|
||
|
|
{
|
||
|
|
$this->_extras = array_merge($this->_extras, array($name => $value));
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register Logging system as an error handler to log php errors
|
||
|
|
* Note: it still calls the original error handler if set_error_handler is able to return it.
|
||
|
|
*
|
||
|
|
* Errors will be mapped as:
|
||
|
|
* E_NOTICE, E_USER_NOTICE => NOTICE
|
||
|
|
* E_WARNING, E_CORE_WARNING, E_USER_WARNING => WARN
|
||
|
|
* E_ERROR, E_USER_ERROR, E_CORE_ERROR, E_RECOVERABLE_ERROR => ERR
|
||
|
|
* E_DEPRECATED, E_STRICT, E_USER_DEPRECATED => DEBUG
|
||
|
|
* (unknown/other) => INFO
|
||
|
|
*
|
||
|
|
* @link http://www.php.net/manual/en/function.set-error-handler.php Custom error handler
|
||
|
|
*
|
||
|
|
* @return Zend_Log
|
||
|
|
*/
|
||
|
|
public function registerErrorHandler()
|
||
|
|
{
|
||
|
|
// Only register once. Avoids loop issues if it gets registered twice.
|
||
|
|
if ($this->_registeredErrorHandler) {
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_origErrorHandler = set_error_handler(array($this, 'errorHandler'));
|
||
|
|
|
||
|
|
// Contruct a default map of phpErrors to Zend_Log priorities.
|
||
|
|
// Some of the errors are uncatchable, but are included for completeness
|
||
|
|
$this->_errorHandlerMap = array(
|
||
|
|
E_NOTICE => Zend_Log::NOTICE,
|
||
|
|
E_USER_NOTICE => Zend_Log::NOTICE,
|
||
|
|
E_WARNING => Zend_Log::WARN,
|
||
|
|
E_CORE_WARNING => Zend_Log::WARN,
|
||
|
|
E_USER_WARNING => Zend_Log::WARN,
|
||
|
|
E_ERROR => Zend_Log::ERR,
|
||
|
|
E_USER_ERROR => Zend_Log::ERR,
|
||
|
|
E_CORE_ERROR => Zend_Log::ERR,
|
||
|
|
E_RECOVERABLE_ERROR => Zend_Log::ERR,
|
||
|
|
E_STRICT => Zend_Log::DEBUG,
|
||
|
|
);
|
||
|
|
// PHP 5.3.0+
|
||
|
|
if (defined('E_DEPRECATED')) {
|
||
|
|
$this->_errorHandlerMap['E_DEPRECATED'] = Zend_Log::DEBUG;
|
||
|
|
}
|
||
|
|
if (defined('E_USER_DEPRECATED')) {
|
||
|
|
$this->_errorHandlerMap['E_USER_DEPRECATED'] = Zend_Log::DEBUG;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_registeredErrorHandler = true;
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Error Handler will convert error into log message, and then call the original error handler
|
||
|
|
*
|
||
|
|
* @link http://www.php.net/manual/en/function.set-error-handler.php Custom error handler
|
||
|
|
* @param int $errno
|
||
|
|
* @param string $errstr
|
||
|
|
* @param string $errfile
|
||
|
|
* @param int $errline
|
||
|
|
* @param array $errcontext
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public function errorHandler($errno, $errstr, $errfile, $errline, $errcontext)
|
||
|
|
{
|
||
|
|
$errorLevel = error_reporting();
|
||
|
|
|
||
|
|
if ($errorLevel && $errno) {
|
||
|
|
if (isset($this->_errorHandlerMap[$errno])) {
|
||
|
|
$priority = $this->_errorHandlerMap[$errno];
|
||
|
|
} else {
|
||
|
|
$priority = Zend_Log::INFO;
|
||
|
|
}
|
||
|
|
$this->log($errstr, $priority, array('errno'=>$errno, 'file'=>$errfile, 'line'=>$errline, 'context'=>$errcontext));
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->_origErrorHandler !== null) {
|
||
|
|
return call_user_func($this->_origErrorHandler, $errno, $errstr, $errfile, $errline, $errcontext);
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set timestamp format for log entries.
|
||
|
|
*
|
||
|
|
* @param string $format
|
||
|
|
* @return Zend_Log
|
||
|
|
*/
|
||
|
|
public function setTimestampFormat($format)
|
||
|
|
{
|
||
|
|
$this->_timestampFormat = $format;
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get timestamp format used for log entries.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function getTimestampFormat()
|
||
|
|
{
|
||
|
|
return $this->_timestampFormat;
|
||
|
|
}
|
||
|
|
}
|