291 Zeilen
7.4 KiB
PHP
291 Zeilen
7.4 KiB
PHP
<?php
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/**
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* Project:
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* Contenido Content Management System
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*
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* Description:
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* Debug object to show info on screen in a box / HTML Block at the top of page.
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* Instead of doing the output immediately using method show, values can be collected and printed to screen in one go.
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* Therefore there's a box positioned at the left top of the page that can be toggled and hidden.
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*
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* Please note:
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* When using method Debug_VisibleAdv::showAll() you'll produce invalid HTML when having an XHTML doctype.
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*
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* Requirements:
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* @con_php_req 5.0
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*
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*
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* @package Contenido Backend classes
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* @version 1.0.0
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* @author Rudi Bieller
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* @copyright four for business AG <www.4fb.de>
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* @license http://www.contenido.org/license/LIZENZ.txt
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* @link http://www.4fb.de
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* @link http://www.contenido.org
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*
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* {@internal
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* created 2008-05-20
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*
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* $Id$:
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* }}
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*
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*/
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if(!defined('CON_FRAMEWORK')) {
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die('Illegal call');
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}
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include_once('IDebug.php');
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class Debug_VisibleAdv implements IDebug, Countable {
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static private $_instance;
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private $_aItems;
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private $_bIsOffline = false;
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/**
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* Constructor
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* @access private
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*/
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private function __construct() {
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$this->_aItems = array();
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}
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/**
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* static
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* @access public
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*/
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static public function getInstance() {
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if (self::$_instance == null) {
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self::$_instance = new Debug_VisibleAdv();
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}
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return self::$_instance;
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}
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public function switchOffline($bOffline) {
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if(is_bool($bOffline)) {
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$this->_bIsOffline = $bOffline;
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}
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}
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/**
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* Add a Debug item to internal collection.
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* @access public
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* @param mixed $mVariable
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* @param string $sVariableDescription
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* @return void;
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*/
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public function add($mVariable, $sVariableDescription = '') {
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if($this->_bIsOffline) return;
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$oItem = new Debug_VisibleAdv_Item();
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$oItem->setValue($mVariable);
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$oItem->setDescription($sVariableDescription);
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$this->_aItems[] = $oItem;
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}
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/**
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* Reset internal collection with Debug items.
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* @access public
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* @return void
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*/
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public function reset() {
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$this->_aItems = array();
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}
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/**
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* Outputs all Debug items in collection to screen in a HTML Box at left top of page.
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* @access public
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* @return void
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*/
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public function showAll() {
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if($this->_bIsOffline) return;
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if ($this->count() > 0) {
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$sHtml = '<script type="text/javascript">
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function con_dbg_toggle(myItem) {
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var myItemObj = document.getElementById(myItem);
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if (myItemObj) {
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if (myItemObj.style.display == \'\') {
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myItemObj.style.display = \'none\';
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} else {
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myItemObj.style.display = \'\';
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}
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}
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}
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function con_dbg_hide(myItem) {
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var myItemObj = document.getElementById(myItem);
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if (myItemObj) {
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myItemObj.style.display = \'none\';
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}
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}
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</script>
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<style type="text/css">
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#conDbgBox { position:fixed; z-index:100000; max-height: 90%; max-width: 90%; left:5px; top:5px; margin:0; border:1px solid #ccc;padding:5px; background-color:#f6f6f6; text-align: left;color: #000000; overflow: auto;}
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#conDbgBox a { text-decoration:none; color: #000000; margin-top: 6px; }
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#dbg_item_block { margin: 0px 0px 0px 20px; color: #000000; }
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#dbg_item_block textarea, #dbg_item_block pre { font-size:11px; margin: 0px; padding: 5px; color: #000000; border: 1px solid #6c6c6c; background-color: #ffffff; }
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#dbg_item_block a { display:block; color: #000000; }
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#conDbgClose { padding-left:10px; }
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</style>';
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$sHtml .= '<div id="conDbgBox">
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<a href="javascript:void(0);" title="Toggle Debug Output" onclick="con_dbg_toggle(\'dbg_item_block\');">con dbg</a>
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<a id="conDbgClose" href="javascript:void(0);" title="Hide Debug Output" onclick="con_dbg_hide(\'conDbgBox\');">(x)</a>
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<div id="dbg_item_block" style="display:none;">';
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$sBlocks = '';
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$i = 1;
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foreach ($this->_aItems as $oItem) {
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$sItemName = strlen($oItem->getDescription()) > 0 ? $oItem->getDescription() : ('debug item #'.$i);
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$sItemValue = $this->_prepareValue($oItem->getValue());
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$sHtml .= "\n".'<a href="javascript:void(0);" title="Toggle Item" onclick="con_dbg_toggle(\'dbg_item_'.$i.'\');">'.$sItemName.'</a>
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<div id="dbg_item_'.$i.'" style="display:none;margin-left:20px;">'.$sItemValue.'</div>'."\n";
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++$i;
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}
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$sHtml .= '</div>
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</div>';
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echo $sHtml;
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}
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}
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/**
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* Prepares Debug item value for output as string representation.
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* @access private
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* @param mixed $mValue
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* @return string
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*/
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private function _prepareValue($mValue) {
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$bTextarea = false;
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$bPlainText = false;
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$sReturn = '';
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if (is_array($mValue)) {
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if (sizeof($mValue) > 10) {
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$bTextarea = true;
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} else {
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$bPlainText = true;
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}
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}
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if (is_object($mValue)) {
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$bTextarea = ($this->_useXDebug())?false:true;
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}
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if (is_string($mValue)) {
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if (preg_match('/<(.*)>/', $mValue)) {
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if (strlen($mValue) > 40) {
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$bTextarea = true;
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} else {
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$bPlainText = true;
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$mValue = clHtmlSpecialChars($mValue);
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}
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} else {
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$bPlainText = true;
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}
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}
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if ($bTextarea === true) {
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$sReturn .= '<textarea rows="14" cols="100">';
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} elseif ($bPlainText === true) {
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$sReturn .= '<pre>';
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} else {
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$sReturn .= '<pre>';
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}
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if (is_array($mValue)) {
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$sReturn .= print_r($mValue, true);
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} else {
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ob_start();
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var_dump($mValue);
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$sReturn .= ob_get_contents();
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ob_end_clean();
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}
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if ($bTextarea === true) {
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$sReturn .= '</textarea>';
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} elseif ($bPlainText === true) {
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$sReturn .= '</pre>';
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} else {
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$sReturn .= '</pre>';
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}
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return $sReturn;
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}
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/**
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* Implemenation of Countable interface
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* @access public
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* @return int
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*/
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public function count() {
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return sizeof($this->_aItems);
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}
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/**
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* Outputs contents of passed variable in a preformatted, readable way
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*
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* @access public
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* @param mixed $mVariable The variable to be displayed
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* @param string $sVariableDescription The variable's name or description
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* @param boolean $bExit If set to true, your app will die() after output of current var
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* @return void
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*/
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public function show($mVariable, $sVariableDescription='', $bExit = false) {
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if($this->_bIsOffline) return;
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try {
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$oDbgVisible = DebuggerFactory::getDebugger('visible');
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} catch (Exception $e) {
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//throw $e;
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echo $e->getMessage();
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}
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$oDbgVisible->show($mVariable, $sVariableDescription, $bExit);
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}
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private function _useXDebug() {
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if(function_exists("xdebug_is_enabled")) {
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return (xdebug_is_enabled() === true)?true:false;
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}
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return false;
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}
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}
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/**
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* An object representing one Debug item of a Debug_VisibleBlock.
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*/
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class Debug_VisibleAdv_Item {
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private $_mValue;
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private $_sDescription;
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/**
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* Set value of item
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* @access public
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* @return void
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*/
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public function setValue($mValue) {
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$this->_mValue = $mValue;
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}
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/**
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* Set name/description of item
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* @access public
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* @return void
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*/
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public function setDescription($sDescription) {
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$this->_sDescription = $sDescription;
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}
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/**
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* Get value of item
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* @access public
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* @return mixed
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*/
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public function getValue() {
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return $this->_mValue;
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}
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/**
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* Get name/description of item
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* @access public
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* @return string
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*/
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public function getDescription() {
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return $this->_sDescription;
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}
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}
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?>
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