forked from GNUsocial/gnu-social
1371 lines
43 KiB
PHP
1371 lines
43 KiB
PHP
<?php
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/**
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* *** BEGIN LICENSE BLOCK *****
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*
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* This file is part of FirePHP (http://www.firephp.org/).
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*
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* Software License Agreement (New BSD License)
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*
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* Copyright (c) 2006-2008, Christoph Dorn
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* * Neither the name of Christoph Dorn nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK *****
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*
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* @copyright Copyright (C) 2007-2008 Christoph Dorn
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* @author Christoph Dorn <christoph@christophdorn.com>
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* @license http://www.opensource.org/licenses/bsd-license.php
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* @package FirePHP
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*/
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/**
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* Sends the given data to the FirePHP Firefox Extension.
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* The data can be displayed in the Firebug Console or in the
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* "Server" request tab.
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*
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* For more information see: http://www.firephp.org/
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*
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* @copyright Copyright (C) 2007-2008 Christoph Dorn
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* @author Christoph Dorn <christoph@christophdorn.com>
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* @license http://www.opensource.org/licenses/bsd-license.php
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* @package FirePHP
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*/
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class FirePHP {
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/**
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* FirePHP version
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*
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* @var string
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*/
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const VERSION = '0.2.0';
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/**
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* Firebug LOG level
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*
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* Logs a message to firebug console.
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*
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* @var string
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*/
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const LOG = 'LOG';
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/**
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* Firebug INFO level
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*
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* Logs a message to firebug console and displays an info icon before the message.
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*
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* @var string
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*/
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const INFO = 'INFO';
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/**
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* Firebug WARN level
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*
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* Logs a message to firebug console, displays an warning icon before the message and colors the line turquoise.
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*
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* @var string
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*/
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const WARN = 'WARN';
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/**
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* Firebug ERROR level
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*
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* Logs a message to firebug console, displays an error icon before the message and colors the line yellow. Also increments the firebug error count.
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*
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* @var string
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*/
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const ERROR = 'ERROR';
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/**
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* Dumps a variable to firebug's server panel
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*
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* @var string
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*/
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const DUMP = 'DUMP';
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/**
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* Displays a stack trace in firebug console
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*
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* @var string
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*/
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const TRACE = 'TRACE';
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/**
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* Displays an exception in firebug console
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*
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* Increments the firebug error count.
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*
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* @var string
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*/
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const EXCEPTION = 'EXCEPTION';
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/**
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* Displays an table in firebug console
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*
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* @var string
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*/
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const TABLE = 'TABLE';
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/**
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* Starts a group in firebug console
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*
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* @var string
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*/
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const GROUP_START = 'GROUP_START';
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/**
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* Ends a group in firebug console
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*
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* @var string
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*/
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const GROUP_END = 'GROUP_END';
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/**
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* Singleton instance of FirePHP
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*
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* @var FirePHP
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*/
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protected static $instance = null;
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/**
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* Wildfire protocol message index
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*
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* @var int
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*/
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protected $messageIndex = 1;
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/**
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* Options for the library
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*
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* @var array
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*/
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protected $options = array();
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/**
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* Filters used to exclude object members when encoding
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*
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* @var array
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*/
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protected $objectFilters = array();
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/**
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* A stack of objects used to detect recursion during object encoding
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*
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* @var object
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*/
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protected $objectStack = array();
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/**
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* Flag to enable/disable logging
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*
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* @var boolean
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*/
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protected $enabled = true;
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/**
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* The object constructor
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*/
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function __construct() {
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$this->options['maxObjectDepth'] = 10;
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$this->options['maxArrayDepth'] = 20;
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$this->options['useNativeJsonEncode'] = true;
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$this->options['includeLineNumbers'] = true;
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}
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/**
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* When the object gets serialized only include specific object members.
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*
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* @return array
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*/
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public function __sleep() {
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return array('options','objectFilters','enabled');
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}
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/**
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* Gets singleton instance of FirePHP
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*
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* @param boolean $AutoCreate
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* @return FirePHP
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*/
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public static function getInstance($AutoCreate=false) {
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if($AutoCreate===true && !self::$instance) {
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self::init();
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}
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return self::$instance;
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}
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/**
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* Creates FirePHP object and stores it for singleton access
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*
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* @return FirePHP
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*/
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public static function init() {
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return self::$instance = new self();
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}
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/**
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* Enable and disable logging to Firebug
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*
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* @param boolean $Enabled TRUE to enable, FALSE to disable
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* @return void
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*/
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public function setEnabled($Enabled) {
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$this->enabled = $Enabled;
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}
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/**
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* Check if logging is enabled
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*
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* @return boolean TRUE if enabled
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*/
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public function getEnabled() {
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return $this->enabled;
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}
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/**
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* Specify a filter to be used when encoding an object
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*
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* Filters are used to exclude object members.
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*
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* @param string $Class The class name of the object
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* @param array $Filter An array or members to exclude
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* @return void
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*/
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public function setObjectFilter($Class, $Filter) {
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$this->objectFilters[$Class] = $Filter;
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}
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/**
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* Set some options for the library
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*
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* Options:
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* - maxObjectDepth: The maximum depth to traverse objects (default: 10)
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* - maxArrayDepth: The maximum depth to traverse arrays (default: 20)
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* - useNativeJsonEncode: If true will use json_encode() (default: true)
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* - includeLineNumbers: If true will include line numbers and filenames (default: true)
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*
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* @param array $Options The options to be set
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* @return void
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*/
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public function setOptions($Options) {
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$this->options = array_merge($this->options,$Options);
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}
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/**
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* Register FirePHP as your error handler
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*
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* Will throw exceptions for each php error.
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*/
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public function registerErrorHandler()
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{
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//NOTE: The following errors will not be caught by this error handler:
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// E_ERROR, E_PARSE, E_CORE_ERROR,
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// E_CORE_WARNING, E_COMPILE_ERROR,
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// E_COMPILE_WARNING, E_STRICT
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set_error_handler(array($this,'errorHandler'));
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}
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/**
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* FirePHP's error handler
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*
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* Throws exception for each php error that will occur.
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*
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* @param int $errno
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* @param string $errstr
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* @param string $errfile
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* @param int $errline
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* @param array $errcontext
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*/
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public function errorHandler($errno, $errstr, $errfile, $errline, $errcontext)
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{
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// Don't throw exception if error reporting is switched off
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if (error_reporting() == 0) {
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return;
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}
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// Only throw exceptions for errors we are asking for
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if (error_reporting() & $errno) {
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throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
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}
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}
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/**
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* Register FirePHP as your exception handler
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*/
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public function registerExceptionHandler()
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{
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set_exception_handler(array($this,'exceptionHandler'));
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}
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/**
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* FirePHP's exception handler
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*
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* Logs all exceptions to your firebug console and then stops the script.
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*
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* @param Exception $Exception
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* @throws Exception
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*/
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function exceptionHandler($Exception) {
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$this->fb($Exception);
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}
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/**
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* Set custom processor url for FirePHP
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*
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* @param string $URL
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*/
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public function setProcessorUrl($URL)
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{
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$this->setHeader('X-FirePHP-ProcessorURL', $URL);
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}
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/**
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* Set custom renderer url for FirePHP
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*
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* @param string $URL
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*/
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public function setRendererUrl($URL)
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{
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$this->setHeader('X-FirePHP-RendererURL', $URL);
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}
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/**
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* Start a group for following messages
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*
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* @param string $Name
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* @return true
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* @throws Exception
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*/
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public function group($Name) {
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return $this->fb(null, $Name, FirePHP::GROUP_START);
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}
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/**
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* Ends a group you have started before
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*
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* @return true
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* @throws Exception
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*/
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public function groupEnd() {
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return $this->fb(null, null, FirePHP::GROUP_END);
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}
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/**
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* Log object with label to firebug console
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*
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* @see FirePHP::LOG
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* @param mixes $Object
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* @param string $Label
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* @return true
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* @throws Exception
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*/
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public function log($Object, $Label=null) {
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return $this->fb($Object, $Label, FirePHP::LOG);
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}
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/**
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* Log object with label to firebug console
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*
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* @see FirePHP::INFO
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* @param mixes $Object
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* @param string $Label
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* @return true
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* @throws Exception
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*/
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public function info($Object, $Label=null) {
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return $this->fb($Object, $Label, FirePHP::INFO);
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}
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/**
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* Log object with label to firebug console
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*
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* @see FirePHP::WARN
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* @param mixes $Object
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* @param string $Label
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* @return true
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* @throws Exception
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*/
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public function warn($Object, $Label=null) {
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return $this->fb($Object, $Label, FirePHP::WARN);
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}
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/**
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* Log object with label to firebug console
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*
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* @see FirePHP::ERROR
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* @param mixes $Object
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* @param string $Label
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* @return true
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* @throws Exception
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*/
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public function error($Object, $Label=null) {
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return $this->fb($Object, $Label, FirePHP::ERROR);
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}
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/**
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* Dumps key and variable to firebug server panel
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*
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* @see FirePHP::DUMP
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* @param string $Key
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* @param mixed $Variable
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* @return true
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* @throws Exception
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*/
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public function dump($Key, $Variable) {
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return $this->fb($Variable, $Key, FirePHP::DUMP);
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}
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/**
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* Log a trace in the firebug console
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*
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* @see FirePHP::TRACE
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* @param string $Label
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* @return true
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* @throws Exception
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*/
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public function trace($Label) {
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return $this->fb($Label, FirePHP::TRACE);
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}
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/**
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* Log a table in the firebug console
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*
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* @see FirePHP::TABLE
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* @param string $Label
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* @param string $Table
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* @return true
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* @throws Exception
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*/
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public function table($Label, $Table) {
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return $this->fb($Table, $Label, FirePHP::TABLE);
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}
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/**
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* Check if FirePHP is installed on client
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*
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* @return boolean
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*/
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public function detectClientExtension() {
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/* Check if FirePHP is installed on client */
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if(!@preg_match_all('/\sFirePHP\/([\.|\d]*)\s?/si',$this->getUserAgent(),$m) ||
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!version_compare($m[1][0],'0.0.6','>=')) {
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return false;
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}
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return true;
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}
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/**
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* Log varible to Firebug
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*
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* @see http://www.firephp.org/Wiki/Reference/Fb
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* @param mixed $Object The variable to be logged
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* @return true Return TRUE if message was added to headers, FALSE otherwise
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* @throws Exception
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*/
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public function fb($Object) {
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if(!$this->enabled) {
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return false;
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}
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if (headers_sent($filename, $linenum)) {
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throw $this->newException('Headers already sent in '.$filename.' on line '.$linenum.'. Cannot send log data to FirePHP. You must have Output Buffering enabled via ob_start() or output_buffering ini directive.');
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}
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$Type = null;
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$Label = null;
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if(func_num_args()==1) {
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} else
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if(func_num_args()==2) {
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switch(func_get_arg(1)) {
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case self::LOG:
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case self::INFO:
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case self::WARN:
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case self::ERROR:
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case self::DUMP:
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case self::TRACE:
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case self::EXCEPTION:
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case self::TABLE:
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case self::GROUP_START:
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case self::GROUP_END:
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$Type = func_get_arg(1);
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break;
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default:
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$Label = func_get_arg(1);
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break;
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}
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} else
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if(func_num_args()==3) {
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$Type = func_get_arg(2);
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$Label = func_get_arg(1);
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} else {
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throw $this->newException('Wrong number of arguments to fb() function!');
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}
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if(!$this->detectClientExtension()) {
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return false;
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}
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$meta = array();
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$skipFinalObjectEncode = false;
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if($Object instanceof Exception) {
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$meta['file'] = $this->_escapeTraceFile($Object->getFile());
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$meta['line'] = $Object->getLine();
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$trace = $Object->getTrace();
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if($Object instanceof ErrorException
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&& isset($trace[0]['function'])
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&& $trace[0]['function']=='errorHandler'
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&& isset($trace[0]['class'])
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&& $trace[0]['class']=='FirePHP') {
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$severity = false;
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switch($Object->getSeverity()) {
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case E_WARNING: $severity = 'E_WARNING'; break;
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case E_NOTICE: $severity = 'E_NOTICE'; break;
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case E_USER_ERROR: $severity = 'E_USER_ERROR'; break;
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case E_USER_WARNING: $severity = 'E_USER_WARNING'; break;
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case E_USER_NOTICE: $severity = 'E_USER_NOTICE'; break;
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case E_STRICT: $severity = 'E_STRICT'; break;
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case E_RECOVERABLE_ERROR: $severity = 'E_RECOVERABLE_ERROR'; break;
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case E_DEPRECATED: $severity = 'E_DEPRECATED'; break;
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case E_USER_DEPRECATED: $severity = 'E_USER_DEPRECATED'; break;
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}
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$Object = array('Class'=>get_class($Object),
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'Message'=>$severity.': '.$Object->getMessage(),
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'File'=>$this->_escapeTraceFile($Object->getFile()),
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'Line'=>$Object->getLine(),
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'Type'=>'trigger',
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'Trace'=>$this->_escapeTrace(array_splice($trace,2)));
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$skipFinalObjectEncode = true;
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} else {
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$Object = array('Class'=>get_class($Object),
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'Message'=>$Object->getMessage(),
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'File'=>$this->_escapeTraceFile($Object->getFile()),
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'Line'=>$Object->getLine(),
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'Type'=>'throw',
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'Trace'=>$this->_escapeTrace($trace));
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$skipFinalObjectEncode = true;
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}
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$Type = self::EXCEPTION;
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} else
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if($Type==self::TRACE) {
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$trace = debug_backtrace();
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if(!$trace) return false;
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for( $i=0 ; $i<sizeof($trace) ; $i++ ) {
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if(isset($trace[$i]['class'])
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&& isset($trace[$i]['file'])
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&& ($trace[$i]['class']=='FirePHP'
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|| $trace[$i]['class']=='FB')
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&& (substr($this->_standardizePath($trace[$i]['file']),-18,18)=='FirePHPCore/fb.php'
|
|
|| substr($this->_standardizePath($trace[$i]['file']),-29,29)=='FirePHPCore/FirePHP.class.php')) {
|
|
/* Skip - FB::trace(), FB::send(), $firephp->trace(), $firephp->fb() */
|
|
} else
|
|
if(isset($trace[$i]['class'])
|
|
&& isset($trace[$i+1]['file'])
|
|
&& $trace[$i]['class']=='FirePHP'
|
|
&& substr($this->_standardizePath($trace[$i+1]['file']),-18,18)=='FirePHPCore/fb.php') {
|
|
/* Skip fb() */
|
|
} else
|
|
if($trace[$i]['function']=='fb'
|
|
|| $trace[$i]['function']=='trace'
|
|
|| $trace[$i]['function']=='send') {
|
|
$Object = array('Class'=>isset($trace[$i]['class'])?$trace[$i]['class']:'',
|
|
'Type'=>isset($trace[$i]['type'])?$trace[$i]['type']:'',
|
|
'Function'=>isset($trace[$i]['function'])?$trace[$i]['function']:'',
|
|
'Message'=>$trace[$i]['args'][0],
|
|
'File'=>isset($trace[$i]['file'])?$this->_escapeTraceFile($trace[$i]['file']):'',
|
|
'Line'=>isset($trace[$i]['line'])?$trace[$i]['line']:'',
|
|
'Args'=>isset($trace[$i]['args'])?$this->encodeObject($trace[$i]['args']):'',
|
|
'Trace'=>$this->_escapeTrace(array_splice($trace,$i+1)));
|
|
|
|
$skipFinalObjectEncode = true;
|
|
$meta['file'] = isset($trace[$i]['file'])?$this->_escapeTraceFile($trace[$i]['file']):'';
|
|
$meta['line'] = isset($trace[$i]['line'])?$trace[$i]['line']:'';
|
|
break;
|
|
}
|
|
}
|
|
|
|
} else
|
|
if($Type==self::TABLE) {
|
|
|
|
if(isset($Object[0]) && is_string($Object[0])) {
|
|
$Object[1] = $this->encodeTable($Object[1]);
|
|
} else {
|
|
$Object = $this->encodeTable($Object);
|
|
}
|
|
|
|
$skipFinalObjectEncode = true;
|
|
|
|
} else {
|
|
if($Type===null) {
|
|
$Type = self::LOG;
|
|
}
|
|
}
|
|
|
|
if($this->options['includeLineNumbers']) {
|
|
if(!isset($meta['file']) || !isset($meta['line'])) {
|
|
|
|
$trace = debug_backtrace();
|
|
for( $i=0 ; $trace && $i<sizeof($trace) ; $i++ ) {
|
|
|
|
if(isset($trace[$i]['class'])
|
|
&& isset($trace[$i]['file'])
|
|
&& ($trace[$i]['class']=='FirePHP'
|
|
|| $trace[$i]['class']=='FB')
|
|
&& (substr($this->_standardizePath($trace[$i]['file']),-18,18)=='FirePHPCore/fb.php'
|
|
|| substr($this->_standardizePath($trace[$i]['file']),-29,29)=='FirePHPCore/FirePHP.class.php')) {
|
|
/* Skip - FB::trace(), FB::send(), $firephp->trace(), $firephp->fb() */
|
|
} else
|
|
if(isset($trace[$i]['class'])
|
|
&& isset($trace[$i+1]['file'])
|
|
&& $trace[$i]['class']=='FirePHP'
|
|
&& substr($this->_standardizePath($trace[$i+1]['file']),-18,18)=='FirePHPCore/fb.php') {
|
|
/* Skip fb() */
|
|
} else
|
|
if(isset($trace[$i]['file'])
|
|
&& substr($this->_standardizePath($trace[$i]['file']),-18,18)=='FirePHPCore/fb.php') {
|
|
/* Skip FB::fb() */
|
|
} else {
|
|
$meta['file'] = isset($trace[$i]['file'])?$this->_escapeTraceFile($trace[$i]['file']):'';
|
|
$meta['line'] = isset($trace[$i]['line'])?$trace[$i]['line']:'';
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
} else {
|
|
unset($meta['file']);
|
|
unset($meta['line']);
|
|
}
|
|
|
|
$this->setHeader('X-Wf-Protocol-1','http://meta.wildfirehq.org/Protocol/JsonStream/0.2');
|
|
$this->setHeader('X-Wf-1-Plugin-1','http://meta.firephp.org/Wildfire/Plugin/FirePHP/Library-FirePHPCore/'.self::VERSION);
|
|
|
|
$structure_index = 1;
|
|
if($Type==self::DUMP) {
|
|
$structure_index = 2;
|
|
$this->setHeader('X-Wf-1-Structure-2','http://meta.firephp.org/Wildfire/Structure/FirePHP/Dump/0.1');
|
|
} else {
|
|
$this->setHeader('X-Wf-1-Structure-1','http://meta.firephp.org/Wildfire/Structure/FirePHP/FirebugConsole/0.1');
|
|
}
|
|
|
|
if($Type==self::DUMP) {
|
|
$msg = '{"'.$Label.'":'.$this->jsonEncode($Object, $skipFinalObjectEncode).'}';
|
|
} else {
|
|
$msg_meta = array('Type'=>$Type);
|
|
if($Label!==null) {
|
|
$msg_meta['Label'] = $Label;
|
|
}
|
|
if(isset($meta['file'])) {
|
|
$msg_meta['File'] = $meta['file'];
|
|
}
|
|
if(isset($meta['line'])) {
|
|
$msg_meta['Line'] = $meta['line'];
|
|
}
|
|
$msg = '['.$this->jsonEncode($msg_meta).','.$this->jsonEncode($Object, $skipFinalObjectEncode).']';
|
|
}
|
|
|
|
$parts = explode("\n",chunk_split($msg, 5000, "\n"));
|
|
|
|
for( $i=0 ; $i<count($parts) ; $i++) {
|
|
|
|
$part = $parts[$i];
|
|
if ($part) {
|
|
|
|
if(count($parts)>2) {
|
|
// Message needs to be split into multiple parts
|
|
$this->setHeader('X-Wf-1-'.$structure_index.'-'.'1-'.$this->messageIndex,
|
|
(($i==0)?strlen($msg):'')
|
|
. '|' . $part . '|'
|
|
. (($i<count($parts)-2)?'\\':''));
|
|
} else {
|
|
$this->setHeader('X-Wf-1-'.$structure_index.'-'.'1-'.$this->messageIndex,
|
|
strlen($part) . '|' . $part . '|');
|
|
}
|
|
|
|
$this->messageIndex++;
|
|
|
|
if ($this->messageIndex > 99999) {
|
|
throw new Exception('Maximum number (99,999) of messages reached!');
|
|
}
|
|
}
|
|
}
|
|
|
|
$this->setHeader('X-Wf-1-Index',$this->messageIndex-1);
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Standardizes path for windows systems.
|
|
*
|
|
* @param string $Path
|
|
* @return string
|
|
*/
|
|
protected function _standardizePath($Path) {
|
|
return preg_replace('/\\\\+/','/',$Path);
|
|
}
|
|
|
|
/**
|
|
* Escape trace path for windows systems
|
|
*
|
|
* @param array $Trace
|
|
* @return array
|
|
*/
|
|
protected function _escapeTrace($Trace) {
|
|
if(!$Trace) return $Trace;
|
|
for( $i=0 ; $i<sizeof($Trace) ; $i++ ) {
|
|
if(isset($Trace[$i]['file'])) {
|
|
$Trace[$i]['file'] = $this->_escapeTraceFile($Trace[$i]['file']);
|
|
}
|
|
if(isset($Trace[$i]['args'])) {
|
|
$Trace[$i]['args'] = $this->encodeObject($Trace[$i]['args']);
|
|
}
|
|
}
|
|
return $Trace;
|
|
}
|
|
|
|
/**
|
|
* Escape file information of trace for windows systems
|
|
*
|
|
* @param string $File
|
|
* @return string
|
|
*/
|
|
protected function _escapeTraceFile($File) {
|
|
/* Check if we have a windows filepath */
|
|
if(strpos($File,'\\')) {
|
|
/* First strip down to single \ */
|
|
|
|
$file = preg_replace('/\\\\+/','\\',$File);
|
|
|
|
return $file;
|
|
}
|
|
return $File;
|
|
}
|
|
|
|
/**
|
|
* Send header
|
|
*
|
|
* @param string $Name
|
|
* @param string_type $Value
|
|
*/
|
|
protected function setHeader($Name, $Value) {
|
|
return header($Name.': '.$Value);
|
|
}
|
|
|
|
/**
|
|
* Get user agent
|
|
*
|
|
* @return string|false
|
|
*/
|
|
protected function getUserAgent() {
|
|
if(!isset($_SERVER['HTTP_USER_AGENT'])) return false;
|
|
return $_SERVER['HTTP_USER_AGENT'];
|
|
}
|
|
|
|
/**
|
|
* Returns a new exception
|
|
*
|
|
* @param string $Message
|
|
* @return Exception
|
|
*/
|
|
protected function newException($Message) {
|
|
return new Exception($Message);
|
|
}
|
|
|
|
/**
|
|
* Encode an object into a JSON string
|
|
*
|
|
* Uses PHP's jeson_encode() if available
|
|
*
|
|
* @param object $Object The object to be encoded
|
|
* @return string The JSON string
|
|
*/
|
|
protected function jsonEncode($Object, $skipObjectEncode=false)
|
|
{
|
|
if(!$skipObjectEncode) {
|
|
$Object = $this->encodeObject($Object);
|
|
}
|
|
|
|
if(function_exists('json_encode')
|
|
&& $this->options['useNativeJsonEncode']!=false) {
|
|
|
|
return json_encode($Object);
|
|
} else {
|
|
return $this->json_encode($Object);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Encodes a table by encoding each row and column with encodeObject()
|
|
*
|
|
* @param array $Table The table to be encoded
|
|
* @return array
|
|
*/
|
|
protected function encodeTable($Table) {
|
|
if(!$Table) return $Table;
|
|
for( $i=0 ; $i<count($Table) ; $i++ ) {
|
|
if(is_array($Table[$i])) {
|
|
for( $j=0 ; $j<count($Table[$i]) ; $j++ ) {
|
|
$Table[$i][$j] = $this->encodeObject($Table[$i][$j]);
|
|
}
|
|
}
|
|
}
|
|
return $Table;
|
|
}
|
|
|
|
/**
|
|
* Encodes an object including members with
|
|
* protected and private visibility
|
|
*
|
|
* @param Object $Object The object to be encoded
|
|
* @param int $Depth The current traversal depth
|
|
* @return array All members of the object
|
|
*/
|
|
protected function encodeObject($Object, $ObjectDepth = 1, $ArrayDepth = 1)
|
|
{
|
|
$return = array();
|
|
|
|
if (is_object($Object)) {
|
|
|
|
if ($ObjectDepth > $this->options['maxObjectDepth']) {
|
|
return '** Max Object Depth ('.$this->options['maxObjectDepth'].') **';
|
|
}
|
|
|
|
foreach ($this->objectStack as $refVal) {
|
|
if ($refVal === $Object) {
|
|
return '** Recursion ('.get_class($Object).') **';
|
|
}
|
|
}
|
|
array_push($this->objectStack, $Object);
|
|
|
|
$return['__className'] = $class = get_class($Object);
|
|
|
|
$reflectionClass = new ReflectionClass($class);
|
|
$properties = array();
|
|
foreach( $reflectionClass->getProperties() as $property) {
|
|
$properties[$property->getName()] = $property;
|
|
}
|
|
|
|
$members = (array)$Object;
|
|
|
|
foreach( $properties as $raw_name => $property ) {
|
|
|
|
$name = $raw_name;
|
|
if($property->isStatic()) {
|
|
$name = 'static:'.$name;
|
|
}
|
|
if($property->isPublic()) {
|
|
$name = 'public:'.$name;
|
|
} else
|
|
if($property->isPrivate()) {
|
|
$name = 'private:'.$name;
|
|
$raw_name = "\0".$class."\0".$raw_name;
|
|
} else
|
|
if($property->isProtected()) {
|
|
$name = 'protected:'.$name;
|
|
$raw_name = "\0".'*'."\0".$raw_name;
|
|
}
|
|
|
|
if(!(isset($this->objectFilters[$class])
|
|
&& is_array($this->objectFilters[$class])
|
|
&& in_array($raw_name,$this->objectFilters[$class]))) {
|
|
|
|
if(array_key_exists($raw_name,$members)
|
|
&& !$property->isStatic()) {
|
|
|
|
$return[$name] = $this->encodeObject($members[$raw_name], $ObjectDepth + 1, 1);
|
|
|
|
} else {
|
|
if(method_exists($property,'setAccessible')) {
|
|
$property->setAccessible(true);
|
|
$return[$name] = $this->encodeObject($property->getValue($Object), $ObjectDepth + 1, 1);
|
|
} else
|
|
if($property->isPublic()) {
|
|
$return[$name] = $this->encodeObject($property->getValue($Object), $ObjectDepth + 1, 1);
|
|
} else {
|
|
$return[$name] = '** Need PHP 5.3 to get value **';
|
|
}
|
|
}
|
|
} else {
|
|
$return[$name] = '** Excluded by Filter **';
|
|
}
|
|
}
|
|
|
|
// Include all members that are not defined in the class
|
|
// but exist in the object
|
|
foreach( $members as $raw_name => $value ) {
|
|
|
|
$name = $raw_name;
|
|
|
|
if ($name{0} == "\0") {
|
|
$parts = explode("\0", $name);
|
|
$name = $parts[2];
|
|
}
|
|
|
|
if(!isset($properties[$name])) {
|
|
$name = 'undeclared:'.$name;
|
|
|
|
if(!(isset($this->objectFilters[$class])
|
|
&& is_array($this->objectFilters[$class])
|
|
&& in_array($raw_name,$this->objectFilters[$class]))) {
|
|
|
|
$return[$name] = $this->encodeObject($value, $ObjectDepth + 1, 1);
|
|
} else {
|
|
$return[$name] = '** Excluded by Filter **';
|
|
}
|
|
}
|
|
}
|
|
|
|
array_pop($this->objectStack);
|
|
|
|
} elseif (is_array($Object)) {
|
|
|
|
if ($ArrayDepth > $this->options['maxArrayDepth']) {
|
|
return '** Max Array Depth ('.$this->options['maxArrayDepth'].') **';
|
|
}
|
|
|
|
foreach ($Object as $key => $val) {
|
|
|
|
// Encoding the $GLOBALS PHP array causes an infinite loop
|
|
// if the recursion is not reset here as it contains
|
|
// a reference to itself. This is the only way I have come up
|
|
// with to stop infinite recursion in this case.
|
|
if($key=='GLOBALS'
|
|
&& is_array($val)
|
|
&& array_key_exists('GLOBALS',$val)) {
|
|
$val['GLOBALS'] = '** Recursion (GLOBALS) **';
|
|
}
|
|
|
|
$return[$key] = $this->encodeObject($val, 1, $ArrayDepth + 1);
|
|
}
|
|
} else {
|
|
if(self::is_utf8($Object)) {
|
|
return $Object;
|
|
} else {
|
|
return utf8_encode($Object);
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Returns true if $string is valid UTF-8 and false otherwise.
|
|
*
|
|
* @param mixed $str String to be tested
|
|
* @return boolean
|
|
*/
|
|
protected static function is_utf8($str) {
|
|
$c=0; $b=0;
|
|
$bits=0;
|
|
$len=strlen($str);
|
|
for($i=0; $i<$len; $i++){
|
|
$c=ord($str[$i]);
|
|
if($c > 128){
|
|
if(($c >= 254)) return false;
|
|
elseif($c >= 252) $bits=6;
|
|
elseif($c >= 248) $bits=5;
|
|
elseif($c >= 240) $bits=4;
|
|
elseif($c >= 224) $bits=3;
|
|
elseif($c >= 192) $bits=2;
|
|
else return false;
|
|
if(($i+$bits) > $len) return false;
|
|
while($bits > 1){
|
|
$i++;
|
|
$b=ord($str[$i]);
|
|
if($b < 128 || $b > 191) return false;
|
|
$bits--;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Converts to and from JSON format.
|
|
*
|
|
* JSON (JavaScript Object Notation) is a lightweight data-interchange
|
|
* format. It is easy for humans to read and write. It is easy for machines
|
|
* to parse and generate. It is based on a subset of the JavaScript
|
|
* Programming Language, Standard ECMA-262 3rd Edition - December 1999.
|
|
* This feature can also be found in Python. JSON is a text format that is
|
|
* completely language independent but uses conventions that are familiar
|
|
* to programmers of the C-family of languages, including C, C++, C#, Java,
|
|
* JavaScript, Perl, TCL, and many others. These properties make JSON an
|
|
* ideal data-interchange language.
|
|
*
|
|
* This package provides a simple encoder and decoder for JSON notation. It
|
|
* is intended for use with client-side Javascript applications that make
|
|
* use of HTTPRequest to perform server communication functions - data can
|
|
* be encoded into JSON notation for use in a client-side javascript, or
|
|
* decoded from incoming Javascript requests. JSON format is native to
|
|
* Javascript, and can be directly eval()'ed with no further parsing
|
|
* overhead
|
|
*
|
|
* All strings should be in ASCII or UTF-8 format!
|
|
*
|
|
* LICENSE: Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met: Redistributions of source code must retain the
|
|
* above copyright notice, this list of conditions and the following
|
|
* disclaimer. Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following disclaimer
|
|
* in the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
|
* NO EVENT SHALL CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
|
|
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
|
|
* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
|
* DAMAGE.
|
|
*
|
|
* @category
|
|
* @package Services_JSON
|
|
* @author Michal Migurski <mike-json@teczno.com>
|
|
* @author Matt Knapp <mdknapp[at]gmail[dot]com>
|
|
* @author Brett Stimmerman <brettstimmerman[at]gmail[dot]com>
|
|
* @author Christoph Dorn <christoph@christophdorn.com>
|
|
* @copyright 2005 Michal Migurski
|
|
* @version CVS: $Id: JSON.php,v 1.31 2006/06/28 05:54:17 migurski Exp $
|
|
* @license http://www.opensource.org/licenses/bsd-license.php
|
|
* @link http://pear.php.net/pepr/pepr-proposal-show.php?id=198
|
|
*/
|
|
|
|
|
|
/**
|
|
* Keep a list of objects as we descend into the array so we can detect recursion.
|
|
*/
|
|
private $json_objectStack = array();
|
|
|
|
|
|
/**
|
|
* convert a string from one UTF-8 char to one UTF-16 char
|
|
*
|
|
* Normally should be handled by mb_convert_encoding, but
|
|
* provides a slower PHP-only method for installations
|
|
* that lack the multibye string extension.
|
|
*
|
|
* @param string $utf8 UTF-8 character
|
|
* @return string UTF-16 character
|
|
* @access private
|
|
*/
|
|
private function json_utf82utf16($utf8)
|
|
{
|
|
// oh please oh please oh please oh please oh please
|
|
if(function_exists('mb_convert_encoding')) {
|
|
return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8');
|
|
}
|
|
|
|
switch(strlen($utf8)) {
|
|
case 1:
|
|
// this case should never be reached, because we are in ASCII range
|
|
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
|
|
return $utf8;
|
|
|
|
case 2:
|
|
// return a UTF-16 character from a 2-byte UTF-8 char
|
|
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
|
|
return chr(0x07 & (ord($utf8{0}) >> 2))
|
|
. chr((0xC0 & (ord($utf8{0}) << 6))
|
|
| (0x3F & ord($utf8{1})));
|
|
|
|
case 3:
|
|
// return a UTF-16 character from a 3-byte UTF-8 char
|
|
// see: http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
|
|
return chr((0xF0 & (ord($utf8{0}) << 4))
|
|
| (0x0F & (ord($utf8{1}) >> 2)))
|
|
. chr((0xC0 & (ord($utf8{1}) << 6))
|
|
| (0x7F & ord($utf8{2})));
|
|
}
|
|
|
|
// ignoring UTF-32 for now, sorry
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* encodes an arbitrary variable into JSON format
|
|
*
|
|
* @param mixed $var any number, boolean, string, array, or object to be encoded.
|
|
* see argument 1 to Services_JSON() above for array-parsing behavior.
|
|
* if var is a strng, note that encode() always expects it
|
|
* to be in ASCII or UTF-8 format!
|
|
*
|
|
* @return mixed JSON string representation of input var or an error if a problem occurs
|
|
* @access public
|
|
*/
|
|
private function json_encode($var)
|
|
{
|
|
|
|
if(is_object($var)) {
|
|
if(in_array($var,$this->json_objectStack)) {
|
|
return '"** Recursion **"';
|
|
}
|
|
}
|
|
|
|
switch (gettype($var)) {
|
|
case 'boolean':
|
|
return $var ? 'true' : 'false';
|
|
|
|
case 'NULL':
|
|
return 'null';
|
|
|
|
case 'integer':
|
|
return (int) $var;
|
|
|
|
case 'double':
|
|
case 'float':
|
|
return (float) $var;
|
|
|
|
case 'string':
|
|
// STRINGS ARE EXPECTED TO BE IN ASCII OR UTF-8 FORMAT
|
|
$ascii = '';
|
|
$strlen_var = strlen($var);
|
|
|
|
/*
|
|
* Iterate over every character in the string,
|
|
* escaping with a slash or encoding to UTF-8 where necessary
|
|
*/
|
|
for ($c = 0; $c < $strlen_var; ++$c) {
|
|
|
|
$ord_var_c = ord($var{$c});
|
|
|
|
switch (true) {
|
|
case $ord_var_c == 0x08:
|
|
$ascii .= '\b';
|
|
break;
|
|
case $ord_var_c == 0x09:
|
|
$ascii .= '\t';
|
|
break;
|
|
case $ord_var_c == 0x0A:
|
|
$ascii .= '\n';
|
|
break;
|
|
case $ord_var_c == 0x0C:
|
|
$ascii .= '\f';
|
|
break;
|
|
case $ord_var_c == 0x0D:
|
|
$ascii .= '\r';
|
|
break;
|
|
|
|
case $ord_var_c == 0x22:
|
|
case $ord_var_c == 0x2F:
|
|
case $ord_var_c == 0x5C:
|
|
// double quote, slash, slosh
|
|
$ascii .= '\\'.$var{$c};
|
|
break;
|
|
|
|
case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):
|
|
// characters U-00000000 - U-0000007F (same as ASCII)
|
|
$ascii .= $var{$c};
|
|
break;
|
|
|
|
case (($ord_var_c & 0xE0) == 0xC0):
|
|
// characters U-00000080 - U-000007FF, mask 110XXXXX
|
|
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
|
|
$char = pack('C*', $ord_var_c, ord($var{$c + 1}));
|
|
$c += 1;
|
|
$utf16 = $this->json_utf82utf16($char);
|
|
$ascii .= sprintf('\u%04s', bin2hex($utf16));
|
|
break;
|
|
|
|
case (($ord_var_c & 0xF0) == 0xE0):
|
|
// characters U-00000800 - U-0000FFFF, mask 1110XXXX
|
|
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
|
|
$char = pack('C*', $ord_var_c,
|
|
ord($var{$c + 1}),
|
|
ord($var{$c + 2}));
|
|
$c += 2;
|
|
$utf16 = $this->json_utf82utf16($char);
|
|
$ascii .= sprintf('\u%04s', bin2hex($utf16));
|
|
break;
|
|
|
|
case (($ord_var_c & 0xF8) == 0xF0):
|
|
// characters U-00010000 - U-001FFFFF, mask 11110XXX
|
|
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
|
|
$char = pack('C*', $ord_var_c,
|
|
ord($var{$c + 1}),
|
|
ord($var{$c + 2}),
|
|
ord($var{$c + 3}));
|
|
$c += 3;
|
|
$utf16 = $this->json_utf82utf16($char);
|
|
$ascii .= sprintf('\u%04s', bin2hex($utf16));
|
|
break;
|
|
|
|
case (($ord_var_c & 0xFC) == 0xF8):
|
|
// characters U-00200000 - U-03FFFFFF, mask 111110XX
|
|
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
|
|
$char = pack('C*', $ord_var_c,
|
|
ord($var{$c + 1}),
|
|
ord($var{$c + 2}),
|
|
ord($var{$c + 3}),
|
|
ord($var{$c + 4}));
|
|
$c += 4;
|
|
$utf16 = $this->json_utf82utf16($char);
|
|
$ascii .= sprintf('\u%04s', bin2hex($utf16));
|
|
break;
|
|
|
|
case (($ord_var_c & 0xFE) == 0xFC):
|
|
// characters U-04000000 - U-7FFFFFFF, mask 1111110X
|
|
// see http://www.cl.cam.ac.uk/~mgk25/unicode.html#utf-8
|
|
$char = pack('C*', $ord_var_c,
|
|
ord($var{$c + 1}),
|
|
ord($var{$c + 2}),
|
|
ord($var{$c + 3}),
|
|
ord($var{$c + 4}),
|
|
ord($var{$c + 5}));
|
|
$c += 5;
|
|
$utf16 = $this->json_utf82utf16($char);
|
|
$ascii .= sprintf('\u%04s', bin2hex($utf16));
|
|
break;
|
|
}
|
|
}
|
|
|
|
return '"'.$ascii.'"';
|
|
|
|
case 'array':
|
|
/*
|
|
* As per JSON spec if any array key is not an integer
|
|
* we must treat the the whole array as an object. We
|
|
* also try to catch a sparsely populated associative
|
|
* array with numeric keys here because some JS engines
|
|
* will create an array with empty indexes up to
|
|
* max_index which can cause memory issues and because
|
|
* the keys, which may be relevant, will be remapped
|
|
* otherwise.
|
|
*
|
|
* As per the ECMA and JSON specification an object may
|
|
* have any string as a property. Unfortunately due to
|
|
* a hole in the ECMA specification if the key is a
|
|
* ECMA reserved word or starts with a digit the
|
|
* parameter is only accessible using ECMAScript's
|
|
* bracket notation.
|
|
*/
|
|
|
|
// treat as a JSON object
|
|
if (is_array($var) && count($var) && (array_keys($var) !== range(0, sizeof($var) - 1))) {
|
|
|
|
$this->json_objectStack[] = $var;
|
|
|
|
$properties = array_map(array($this, 'json_name_value'),
|
|
array_keys($var),
|
|
array_values($var));
|
|
|
|
array_pop($this->json_objectStack);
|
|
|
|
foreach($properties as $property) {
|
|
if($property instanceof Exception) {
|
|
return $property;
|
|
}
|
|
}
|
|
|
|
return '{' . join(',', $properties) . '}';
|
|
}
|
|
|
|
$this->json_objectStack[] = $var;
|
|
|
|
// treat it like a regular array
|
|
$elements = array_map(array($this, 'json_encode'), $var);
|
|
|
|
array_pop($this->json_objectStack);
|
|
|
|
foreach($elements as $element) {
|
|
if($element instanceof Exception) {
|
|
return $element;
|
|
}
|
|
}
|
|
|
|
return '[' . join(',', $elements) . ']';
|
|
|
|
case 'object':
|
|
$vars = self::encodeObject($var);
|
|
|
|
$this->json_objectStack[] = $var;
|
|
|
|
$properties = array_map(array($this, 'json_name_value'),
|
|
array_keys($vars),
|
|
array_values($vars));
|
|
|
|
array_pop($this->json_objectStack);
|
|
|
|
foreach($properties as $property) {
|
|
if($property instanceof Exception) {
|
|
return $property;
|
|
}
|
|
}
|
|
|
|
return '{' . join(',', $properties) . '}';
|
|
|
|
default:
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* array-walking function for use in generating JSON-formatted name-value pairs
|
|
*
|
|
* @param string $name name of key to use
|
|
* @param mixed $value reference to an array element to be encoded
|
|
*
|
|
* @return string JSON-formatted name-value pair, like '"name":value'
|
|
* @access private
|
|
*/
|
|
private function json_name_value($name, $value)
|
|
{
|
|
// Encoding the $GLOBALS PHP array causes an infinite loop
|
|
// if the recursion is not reset here as it contains
|
|
// a reference to itself. This is the only way I have come up
|
|
// with to stop infinite recursion in this case.
|
|
if($name=='GLOBALS'
|
|
&& is_array($value)
|
|
&& array_key_exists('GLOBALS',$value)) {
|
|
$value['GLOBALS'] = '** Recursion **';
|
|
}
|
|
|
|
$encoded_value = $this->json_encode($value);
|
|
|
|
if($encoded_value instanceof Exception) {
|
|
return $encoded_value;
|
|
}
|
|
|
|
return $this->json_encode(strval($name)) . ':' . $encoded_value;
|
|
}
|
|
}
|