436 lines
13 KiB
PHP
436 lines
13 KiB
PHP
<?php
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/*
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* $Id: variables.php,v 1.8 2005/04/02 00:26:36 anarcat Exp $
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----------------------------------------------------------------------
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AlternC - Web Hosting System
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Copyright (C) 2002 by the AlternC Development Team.
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http://alternc.org/
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----------------------------------------------------------------------
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Based on:
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Valentin Lacambre's web hosting softwares: http://altern.org/
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----------------------------------------------------------------------
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LICENSE
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License (GPL)
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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 General Public License for more details.
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To read the license please visit http://www.gnu.org/copyleft/gpl.html
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----------------------------------------------------------------------
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*/
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/**
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* Persistent variable table
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*
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* @author Drupal Developpement Team
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* @link http://cvs.drupal.org/viewcvs/drupal/drupal/includes/bootstrap.inc?rev=1.38&view=auto
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* @
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*/
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class m_variables {
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var $strata_order = array('DEFAULT','GLOBAL','FQDN_CREATOR','FQDN','CREATOR','MEMBER','DOMAIN');
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var $cache_variable_list = false;
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var $replace_array = array();
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/**
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*
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* @global string $L_FQDN
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*/
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function m_variables() {
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global $L_FQDN;
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$this->replace_array = array(
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"%%FQDN%%"=> $L_FQDN,
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);
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}
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/**
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* used by get_impersonated to merge array. Son value overwrite father's value
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*
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* @param array $father
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* @param array $son
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* @return array
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*/
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private function variable_merge($father, $son) {
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if (! is_array($son)) return $father;
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foreach ($son as $k=>$v) {
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$father[$k] = $v;
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}
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return $father;
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}
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/**
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* Load the persistent variable table.
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*
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* The variable table is composed of values that have been saved in the table
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* with variable_set() as well as those explicitly specified in the configuration
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* file.
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*
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* @global int $cuid
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* @return array
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*/
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function variable_init() {
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global $cuid;
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if ($cuid > 1999) {
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$mid = $cuid;
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} else {
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$mid = null;
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}
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// In case we launch it in a script, there is no $_SERVER
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if (isset($_SERVER['HTTP_HOST'])) {
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$host=$_SERVER['HTTP_HOST'];
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} else {
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$host=null;
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}
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return $this->get_impersonated($host, $mid);
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}
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/**
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* Return the var for a specific environnement :
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* * logged via $fqdn url
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* * the user is $uid
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* * $var if we want only 1 var instead of all of them
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*
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* If $fqdn and $uid aren't specified, return the default value
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*
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* @global m_mysql $db
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* @global m_err $err
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* @param string $fqdn
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* @param int $uid
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* @param string $var
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* @return array
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*/
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function get_impersonated($fqdn=null, $uid=null, $var=null) {
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global $db, $err;
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$arr_var=$this->variables_list();
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// Get some vars we are going to need.
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if ($fqdn != NULL) {
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$sub_infos=m_dom::get_sub_domain_id_and_member_by_name( strtolower($fqdn) );
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} else {
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$sub_infos=false;
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}
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if ( $uid != NULL ) {
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$creator=m_mem::get_creator_by_uid($uid);
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} else {
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$creator=false;
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}
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$variables = array();
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// Browse the array in the specific order of the strata
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foreach ( $this->strata_order as $strata) {
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if (! isset($arr_var[$strata]) || !is_array($arr_var[$strata])) continue;
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switch($strata) {
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case 'DEFAULT':
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// $variables = $this->variable_merge(array(),$arr_var['DEFAULT'][NULL]);
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$variablesList = current($arr_var["DEFAULT"]);
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$variables = $this->variable_merge(array(),$variablesList);
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break;
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case 'GLOBAL':
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$variables = $this->variable_merge($variables, $arr_var['GLOBAL'][NULL]);
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break;
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case 'FQDN_CREATOR':
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if ( is_array($sub_infos) && isset($arr_var['FQDN_CREATOR'][$sub_infos['member_id']]) && is_array($arr_var['FQDN_CREATOR'][$sub_infos['member_id']])) {
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$variables = $this->variable_merge($variables, $arr_var['FQDN_CREATOR'][$sub_infos['member_id']]);
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}
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break;
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case 'FQDN':
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if ( is_array($sub_infos) && isset($arr_var['FQDN'][$sub_infos['sub_id']]) && is_array($arr_var['FQDN'][$sub_infos['sub_id']])) {
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$variables = $this->variable_merge($variables, $arr_var['FQDN'][$sub_infos['sub_id']]);
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}
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break;
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case 'CREATOR':
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if ( $creator && isset($arr_var['CREATOR'][$creator]) && is_array($arr_var['CREATOR'][$creator])) {
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$variables = $this->variable_merge($variables, $arr_var['CREATOR'][$creator] );
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}
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break;
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case 'MEMBER':
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if ( $uid && isset($arr_var['MEMBER'][$uid]) && is_array($arr_var['MEMBER'][$uid])) {
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$variables = $this->variable_merge($variables, $arr_var['MEMBER'][$uid] );
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}
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break;
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case 'DOMAIN':
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//FIXME TODO
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break;
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} //switch
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} //foreach
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// Replace needed vars
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foreach ($variables as $vv => $hh) {
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if (!isset($hh['value'])) {
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continue;
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}
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$variables[$vv]['value'] = strtr($hh['value'], $this->replace_array );
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}
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if ($var && isset($variables[$var])) {
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return $variables[$var];
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} else {
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return $variables;
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}
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}
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/**
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* Initialize the global $conf array if necessary
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*
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* @global $conf the global conf array
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* @uses variable_init()
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* @param boolean $force
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*/
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function variable_init_maybe($force=false) {
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global $conf;
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if ($force || !isset($conf)) {
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$this->cache_variable_list = false;
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$conf = $this->variable_init();
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}
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}
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/**
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* Return a persistent variable.
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*
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* @param string $name
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* The name of the variable to return.
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* @param mixed $default
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* The default value to use if this variable has never been set.
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* @param string $createit_comment
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* If variable doesn't exist, create it with the default value
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* and createit_comment value as comment
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* @return mixed
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* The value of the variable.
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* @global array $conf
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* A cache of the configuration.
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*/
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function variable_get($name, $default = null, $createit_comment = null, $type=null) {
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global $conf;
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$this->variable_init_maybe();
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if (isset($conf[$name])) {
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return $conf[$name]['value'];
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} elseif (!is_null($createit_comment)) {
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$this->variable_update_or_create($name, $default, 'DEFAULT', 'null', 'null', $createit_comment, $type);
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}
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return $default;
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}
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/**
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* Create or update a variable
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*
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* @global m_mysql $db
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* @global m_err $err
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* @param string $var_name
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* @param mixed $var_value
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* @param string $strata
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* @param int $strata_id
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* @param int $var_id
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* @param string $comment
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* @param string $type
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* @return boolean
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*/
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function variable_update_or_create($var_name, $var_value, $strata=null, $strata_id=null, $var_id=null, $comment=null, $type=null) {
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global $db, $err;
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$err->log('variable', 'variable_update_or_create');
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if ( strtolower($var_id) == 'null' ) $var_id = null;
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if ( strtolower($strata_id) == 'null' ) $strata_id = null;
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if (is_object($type) || is_array($type)) {
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$type = serialize($type);
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}
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if (is_object($var_value) || is_array($var_value)) {
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$var_value = serialize($var_value);
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}
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if ( ! is_null($var_id) ) {
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$sql="UPDATE variable SET value='".mysql_real_escape_string($var_value)."' WHERE id = ".intval($var_id);
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} else {
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if ( empty($strata) ) {
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$err->raise('variables', _("Err: Missing strata when creating var"));
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return false;
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}
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$sql="INSERT INTO
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variable (name, value, strata, strata_id, comment, type)
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VALUES (
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'".mysql_real_escape_string($var_name)."',
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'".mysql_real_escape_string($var_value)."',
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'".mysql_real_escape_string($strata)."',
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".( is_null($strata_id)?'NULL':"'".mysql_real_escape_string($strata_id)."'").",
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'".mysql_real_escape_string($comment)."',
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'".mysql_real_escape_string($type)."' );";
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}
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$db->query("$sql");
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$this->variable_init_maybe(true);
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return true;
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}
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/**
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* Unset a persistent variable.
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*
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* @global m_mysql $db
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* @param int $id
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* @return type
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*/
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function del($id) {
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global $db;
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$result = $db->query("DELETE FROM `variable` WHERE id = '".intval($id)."'");
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$this->variable_init_maybe(true);
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return $result;
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}
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/**
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* echo HTML code to display a variable passed in parameters
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*
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* @param mixed $v
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* @param string $varname
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* @param boolean $echo
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* @return string
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*/
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function display_valueraw_html($v,$varname,$echo = true) {
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$output = "";
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$varList = $this->variables_list();
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if (is_array($v)) {
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if (empty($v)) {
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$output .= "<em>"._("Empty array")."</em>";
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} else {
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$output .= "<ul>";
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foreach ( $v as $k=>$l) {
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$output .= "<li>";
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if (! is_numeric($k)) {
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if (is_null($varname)) {
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$output .= "$k";
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} else {
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if ( !isset($varList['DEFAULT'][null][$varname]['type'][$k]) || is_array( $varList['DEFAULT'][null][$varname]['type'][$k] ) ) {
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if (isset($varList['DEFAULT'][null][$varname]['type'][$k]['desc'])) {
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$output .= $varList['DEFAULT'][null][$varname]['type'][$k]['desc'];
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} else {
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$output .= $k;
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}
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} else {
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$output .= $varList['DEFAULT'][null][$varname]['type'][$k];
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}
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}
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} else {
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if (isset($varList['DEFAULT'][null][$varname]['type'][$k]['desc'] )) {
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$output .= $varList['DEFAULT'][null][$varname]['type'][$k]['desc'];
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}
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}
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if (is_array($l)) {
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$output .= "<ul>";
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foreach ($l as $m => $n ) {
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$output .= "<li>";
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if ( is_numeric($m)) {
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$output .= "$m";
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} else {
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$output .= $varList['DEFAULT'][null][$varname]['type'][$k][$m]['desc'];
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}
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$output .= " => $n";
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$output .= "</li>";
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}
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$output .= "</ul>";
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} else {
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$output .= " => $l";
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}
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$output .= "</li>";
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}
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$output .= "</ul>";
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} // empty $v
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} else if (empty($v) && $v != '0') {
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$output .= "<em>"._("Empty")."</em>";
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} else {
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$output .= $v;
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}
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if( $echo ){
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echo $output;
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}
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return $output;
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}
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/**
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* Display a variable if is set
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*
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* @param array $tab
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* @param string $strata
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* @param int $id
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* @param string $varname
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* @param boolean $echo
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* @return string
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*/
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function display_value_html($tab, $strata, $id, $varname, $echo = TRUE) {
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$output = "";
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if (isset($tab[$strata][$id][$varname]['value'])) {
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$v = $tab[$strata][$id][$varname]['value'];
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$output .= $this->display_valueraw_html($v, $varname);
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} else {
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$output .= "<em>"._("None defined")."</em>";
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}
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if( $echo){
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echo $output;
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}
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return $output;
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}
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/**
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* return hashtable with variable_name => comment for all the vars
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*
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* @global m_mysql $db
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* @return type
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*/
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function variables_list_name() {
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global $db;
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$result = $db->query('SELECT name, comment FROM `variable` order by name');
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$t=array();
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while ($db->next_record($result)) {
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$tname = $db->f('name');
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// If not listed of if listed comment is shorter
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if ( ! isset( $t[$tname] ) || strlen($t[$tname]) < $db->f('comment') ) {
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$t[$db->f('name')] = $db->f('comment');
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}
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}
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return $t;
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}
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/**
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* return a multidimensionnal array used to build vars
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*
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* @global m_mysql $db
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* @return type
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*/
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function variables_list() {
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global $db;
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if ( ! $this->cache_variable_list ) {
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$result = $db->query('SELECT * FROM `variable`');
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$arr_var=array();
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while ($db->next_record($result)) {
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// Unserialize value if needed
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if ( ($value = @unserialize($db->f('value'))) === FALSE) {
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$value=$db->f('value');
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}
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if ( ($type = @unserialize($db->f('type'))) === FALSE) {
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$type=$db->f('type');
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}
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$arr_var[$db->f('strata')][$db->f('strata_id')][$db->f('name')] = array('id'=>$db->f('id') ,'name'=>$db->f('name'), 'value'=>$value, 'comment'=>$db->f('comment'), 'type'=>$type);
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}
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$this->cache_variable_list = $arr_var;
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}
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return $this->cache_variable_list;
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}
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} /* Class m_variables */
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