632 lines
20 KiB
PHP
632 lines
20 KiB
PHP
<?php
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/**
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* class.pmScript.php
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*
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* ProcessMaker Open Source Edition
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* Copyright (C) 2004 - 2008 Colosa Inc.23
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
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* Coral Gables, FL, 33134, USA, or email info@colosa.com.
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*
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*/
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////////////////////////////////////////////////////
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// Execute and evaluate PMScripts
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//
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// Copyright (C) 2007 COLOSA
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//
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// License: LGPL, see LICENSE
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////////////////////////////////////////////////////
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/**
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* PMScript - PMScript class
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* @author Julio Cesar Laura Avenda<64>o <juliocesar@colosa.com>
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* @last modify 2008.08.13 by Erik Amaru Ortiz <erik@colosa.com>
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* @last modify comment was added and adapted the catch errors
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* @copyright 2007 COLOSA
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*/
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function __autoload($sClassName)
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{
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if (defined('SYS_SYS')) {
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$sPath = PATH_DB . SYS_SYS . PATH_SEP . 'classes' . PATH_SEP;
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if (file_exists($sPath . $sClassName . '.php')) {
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require_once $sPath . $sClassName . '.php';
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}
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}
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}
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//Start - Custom functions
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G::LoadClass('pmFunctions');
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//End - Custom functions
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//call plugin
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if (class_exists('folderData')) {
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//$folderData = new folderData($sProUid, $proFields['PRO_TITLE'], $sAppUid, $Fields['APP_TITLE'], $sUsrUid);
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$oPluginRegistry = &PMPluginRegistry::getSingleton();
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$aAvailablePmFunctions = $oPluginRegistry->getPmFunctions();
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foreach ($aAvailablePmFunctions as $key => $class ) {
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$filePlugin = PATH_PLUGINS . $class . PATH_SEP . 'classes' . PATH_SEP . 'class.pmFunctions.php';
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if ( file_exists ( $filePlugin ) )
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include_once( $filePlugin);
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}
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}
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//end plugin
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//Add External Triggers
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$dir=G::ExpandPath( "classes" ).'triggers';
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$filesArray=array();
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if (file_exists($dir)){
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if ($handle = opendir($dir)) {
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while (false !== ($file = readdir($handle))) {
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if(($file!=".")&&($file!="..")){
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$extFile =explode(".",$file);
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if($extFile[sizeof($extFile)-1] == 'php')
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include_once( $dir.PATH_SEP.$file);
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}
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}
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closedir($handle);
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}
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}
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/**
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* PMScript - PMScript class
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* @copyright 2007 COLOSA
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* @package workflow.ProcessMaker
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*/
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class PMScript
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{
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/**
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* Original fields
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*/
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var $aOriginalFields = array();
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/**
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* Fields to use
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*/
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var $aFields = array();
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/**
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* Script
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*/
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var $sScript = '';
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/**
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* Error has happened?
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*/
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var $bError = false;
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/**
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* Affected fields
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*/
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var $affected_fields;
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/**
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* Constructor of the class PMScript
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* @return void
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*/
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function PMScript()
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{
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$this->aFields['__ERROR__'] = 'none';
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}
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/**
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* Set the fields to use
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* @param array $aFields
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* @return void
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*/
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function setFields($aFields = array())
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{
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if (!is_array($aFields)) {
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$aFields = array();
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}
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$this->aOriginalFields = $this->aFields = $aFields;
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}
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/**
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* Set the current script
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* @param string $sScript
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* @return void
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*/
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function setScript($sScript = '')
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{
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$this->sScript = $sScript;
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}
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/**
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* Verify the syntax
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* @param string $sScript
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* @return boolean
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*/
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function validSyntax($sScript)
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{
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return true;
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}
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function executeAndCatchErrors($sScript, $sCode) {
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ob_start('handleFatalErrors');
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set_error_handler('handleErrors');
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$_SESSION['_CODE_'] = $sCode;
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eval($sScript);
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unset($_SESSION['_CODE_']);
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ob_end_flush();
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}
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/**
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* Execute the current script
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* @return void
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*/
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function execute()
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{
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$sScript = "";
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$iAux = 0;
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$bEqual = false;
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$iOcurrences = preg_match_all('/\@(?:([\@\%\#\?\$\=])([a-zA-Z\_]\w*)|([a-zA-Z\_][\w\-\>\:]*)\(((?:[^\\\\\)]*(?:[\\\\][\w\W])?)*)\))((?:\s*\[[\'"]?\w+[\'"]?\])+)?/', $this->sScript, $aMatch, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE);
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if ($iOcurrences){
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for($i = 0; $i < $iOcurrences; $i++){
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$sAux = substr($this->sScript, $iAux, $aMatch[0][$i][1] - $iAux);
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if (!$bEqual){
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if (strpos($sAux, '==') !== false){
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$bEqual = false;
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}
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else {
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if (strpos($sAux, '=') !== false){
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$bEqual = true;
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}
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}
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}
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if ($bEqual){
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if (strpos($sAux, ';') !== false){
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$bEqual = false;
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}
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}
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if ($bEqual) {
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if (!isset($aMatch[5][$i][0])) {
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eval("if (!isset(\$this->aFields['" . $aMatch[2][$i][0] . "'])) { \$this->aFields['" . $aMatch[2][$i][0] . "'] = null; }");
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}
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else {
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eval("if (!isset(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")) { \$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . " = null; }");
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}
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}
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$sScript .= $sAux;
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$iAux = $aMatch[0][$i][1] + strlen($aMatch[0][$i][0]);
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switch ($aMatch[1][$i][0])
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{ case '@':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmToString(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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else {
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$sScript .= "pmToString(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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case '%':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmToInteger(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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else {
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$sScript .= "pmToInteger(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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case '#':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmToFloat(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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else {
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$sScript .= "pmToFloat(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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case '?':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmToUrl(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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else {
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$sScript .= "pmToUrl(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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case '$':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmSqlEscape(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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else {
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$sScript .= "pmSqlEscape(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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case '=':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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}
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$this->affected_fields[] = $aMatch[2][$i][0];
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}
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}
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$sScript .= substr($this->sScript, $iAux);
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$sScript = "try {\n" . $sScript . "\n} catch (Exception \$oException) {\n \$this->aFields['__ERROR__'] = utf8_encode(\$oException->getMessage());\n}";
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//echo '<pre>-->'; print_r($this->aFields); echo '<---</pre>';
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$this->executeAndCatchErrors($sScript, $this->sScript);
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for($i=0; $i<count($this->affected_fields); $i++){
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$_SESSION['TRIGGER_DEBUG']['DATA'][] = Array(
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'key' => $this->affected_fields[$i],
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'value' => isset($this->aFields[$this->affected_fields[$i]]) ? $this->aFields[$this->affected_fields[$i]] : ''
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);
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}
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//echo '<pre>-->'; print_r($_SESSION['TRIGGER_DEBUG']['DATA']); echo '<---</pre>';
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}
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/**
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* Evaluate the current script
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* @return void
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*/
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function evaluate()
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{
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$bResult = null;
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$sScript = '';
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$iAux = 0;
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$bEqual = false;
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$variableIsDefined = true;
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$iOcurrences = preg_match_all('/\@(?:([\@\%\#\?\$\=])([a-zA-Z\_]\w*)|([a-zA-Z\_][\w\-\>\:]*)\(((?:[^\\\\\)]*(?:[\\\\][\w\W])?)*)\))((?:\s*\[[\'"]?\w+[\'"]?\])+)?/', $this->sScript, $aMatch, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE);
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if ($iOcurrences){
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for($i = 0; $i < $iOcurrences; $i++){
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// if the variables for that condition has not been previously defined then $variableIsDefined is set to false
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if (!isset($this->aFields[$aMatch[2][$i][0]])){
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// $variableIsDefined = false;
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$this->aFields[$aMatch[2][$i][0]] = '';
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}
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$sAux = substr($this->sScript, $iAux, $aMatch[0][$i][1] - $iAux);
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if (!$bEqual){
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if (strpos($sAux, '=') !== false){
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$bEqual = true;
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}
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}
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if ($bEqual){
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if (strpos($sAux, ';') !== false)
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{
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$bEqual = false;
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}
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}
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$sScript .= $sAux;
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$iAux = $aMatch[0][$i][1] + strlen($aMatch[0][$i][0]);
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switch ($aMatch[1][$i][0]){
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case '@':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmToString(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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else {
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$sScript .= "pmToString(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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case '%':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmToInteger(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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else {
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$sScript .= "pmToInteger(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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case '#':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmToFloat(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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else {
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$sScript .= "pmToFloat(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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case '?':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmToUrl(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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else {
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$sScript .= "pmToUrl(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
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}
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}
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else{
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
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}
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else {
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$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
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}
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}
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break;
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case '$':
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if ($bEqual){
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if (!isset($aMatch[5][$i][0])) {
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$sScript .= "pmSqlEscape(\$this->aFields['" . $aMatch[2][$i][0] . "'])";
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}
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||
else {
|
||
$sScript .= "pmSqlEscape(\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0] . ")";
|
||
}
|
||
}
|
||
else{
|
||
if (!isset($aMatch[5][$i][0])) {
|
||
$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
|
||
}
|
||
else {
|
||
$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
|
||
}
|
||
}
|
||
break;
|
||
case '=':
|
||
if ($bEqual){
|
||
if (!isset($aMatch[5][$i][0])) {
|
||
$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
|
||
}
|
||
else {
|
||
$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
|
||
}
|
||
}
|
||
else{
|
||
if (!isset($aMatch[5][$i][0])) {
|
||
$sScript .= "\$this->aFields['" . $aMatch[2][$i][0] . "']";
|
||
}
|
||
else {
|
||
$sScript .= "\$this->aFields" . (isset($aMatch[2][$i][0]) ? "['" . $aMatch[2][$i][0] . "']" : '') . $aMatch[5][$i][0];
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
$sScript .= substr($this->sScript, $iAux);
|
||
$sScript = '$bResult = ' . $sScript . ';';
|
||
// checks if the syntax is valid or if the variables in that condition has been previously defined
|
||
if ($this->validSyntax($sScript)&&$variableIsDefined){
|
||
$this->bError = false;
|
||
eval($sScript);
|
||
}
|
||
else{
|
||
// echo "<script> alert('".G::loadTranslation('MSG_CONDITION_NOT_DEFINED')."'); </script>";
|
||
G::SendTemporalMessage('MSG_CONDITION_NOT_DEFINED', 'error', 'labels');
|
||
$this->bError = true;
|
||
}
|
||
return $bResult;
|
||
}
|
||
}
|
||
|
||
//Start - Private functions
|
||
|
||
/**
|
||
* Convert to string
|
||
* @param variant $vValue
|
||
* @return string
|
||
*/
|
||
function pmToString($vValue)
|
||
{
|
||
return (string)$vValue;
|
||
}
|
||
|
||
/**
|
||
* Convert to integer
|
||
* @param variant $vValue
|
||
* @return integer
|
||
*/
|
||
function pmToInteger($vValue)
|
||
{
|
||
return (int)$vValue;
|
||
}
|
||
|
||
/**
|
||
* Convert to float
|
||
* @param variant $vValue
|
||
* @return float
|
||
*/
|
||
function pmToFloat($vValue)
|
||
{
|
||
return (float)$vValue;
|
||
}
|
||
|
||
/**
|
||
* Convert to Url
|
||
* @param variant $vValue
|
||
* @return url
|
||
*/
|
||
function pmToUrl($vValue)
|
||
{
|
||
return urlencode($vValue);
|
||
}
|
||
|
||
/**
|
||
* Convert to data base escaped string
|
||
* @param variant $vValue
|
||
* @return string
|
||
*/
|
||
function pmSqlEscape($vValue)
|
||
{
|
||
return G::sqlEscape($vValue);
|
||
}
|
||
|
||
//End - Private functions
|
||
|
||
|
||
|
||
/***************************************************************************
|
||
* Error handler
|
||
* @author: Julio Cesar Laura Avenda<64>o <juliocesar@colosa.com>
|
||
* @date: 2009-10-01
|
||
***************************************************************************/
|
||
/*
|
||
* Convert to data base escaped string
|
||
* @param string $errno
|
||
* @param string $errstr
|
||
* @param string $errfile
|
||
* @param string $errline
|
||
* @return void
|
||
*/
|
||
function handleErrors($errno, $errstr, $errfile, $errline)
|
||
{
|
||
if ($errno != '' && ($errno != 8) && ($errno != 2048)) {
|
||
if( isset($_SESSION['_CODE_']) ){
|
||
$sCode = $_SESSION['_CODE_'];
|
||
unset($_SESSION['_CODE_']);
|
||
registerError(1, $errstr, $errline - 1, $sCode);
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Handle Fatal Errors
|
||
* @param variant $buffer
|
||
* @return buffer
|
||
*/
|
||
function handleFatalErrors($buffer)
|
||
{
|
||
if (ereg('(error</b>:)(.+)(<br)', $buffer, $regs)) {
|
||
$err = preg_replace('/<.*?>/', '', $regs[2]);
|
||
$aAux = explode(' in ', $err);
|
||
$sCode = $_SESSION['_CODE_'];
|
||
unset($_SESSION['_CODE_']);
|
||
registerError(2, $aAux[0], 0, $sCode);
|
||
if (strpos($_SERVER['REQUEST_URI'], '/cases/cases_Step') !== false) {
|
||
if (strpos($_SERVER['REQUEST_URI'], '&ACTION=GENERATE') !== false) {
|
||
G::LoadClass('case');
|
||
$oCase = new Cases();
|
||
$aNextStep = $oCase->getNextStep($_SESSION['PROCESS'], $_SESSION['APPLICATION'], $_SESSION['INDEX'], $_SESSION['STEP_POSITION']);
|
||
if($_SESSION['TRIGGER_DEBUG']['ISSET']) {
|
||
$_SESSION['TRIGGER_DEBUG']['TIME'] = 'AFTER';
|
||
$_SESSION['TRIGGER_DEBUG']['BREAKPAGE'] = $aNextStep['PAGE'];
|
||
$aNextStep['PAGE'] = $aNextStep['PAGE'].'&breakpoint=triggerdebug';
|
||
}
|
||
G::header('Location: ' . $aNextStep['PAGE']);
|
||
die;
|
||
}
|
||
$_SESSION['_NO_EXECUTE_TRIGGERS_'] = 1;
|
||
G::header('Location: ' . $_SERVER['REQUEST_URI']);
|
||
die;
|
||
}
|
||
else {
|
||
G::LoadClass('case');
|
||
$oCase = new Cases();
|
||
$aNextStep = $oCase->getNextStep($_SESSION['PROCESS'], $_SESSION['APPLICATION'], $_SESSION['INDEX'], $_SESSION['STEP_POSITION']);
|
||
if($_SESSION['TRIGGER_DEBUG']['ISSET']) {
|
||
$_SESSION['TRIGGER_DEBUG']['TIME'] = 'AFTER';
|
||
$_SESSION['TRIGGER_DEBUG']['BREAKPAGE'] = $aNextStep['PAGE'];
|
||
$aNextStep['PAGE'] = $aNextStep['PAGE'].'&breakpoint=triggerdebug';
|
||
}
|
||
if (strpos($aNextStep['PAGE'], 'TYPE=ASSIGN_TASK&UID=-1') !== false) {
|
||
G::SendMessageText('Fatal error in trigger', 'error');
|
||
}
|
||
G::header('Location: ' . $aNextStep['PAGE']);
|
||
die;
|
||
}
|
||
}
|
||
return $buffer;
|
||
}
|
||
/*
|
||
* Register Error
|
||
* @param string $iType
|
||
* @param string $sError
|
||
* @param string $iLine
|
||
* @param string $sCode
|
||
* @return void
|
||
*/
|
||
function registerError($iType, $sError, $iLine, $sCode)
|
||
{
|
||
$sType = ($iType == 1 ? 'ERROR' : 'FATAL');
|
||
$_SESSION['TRIGGER_DEBUG']['ERRORS'][][$sType] = $sError . ($iLine > 0 ? ' (line ' . $iLine . ')' : '') . ':<br /><br />' . $sCode;
|
||
} |