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51 lines
1.4 KiB
PHP
51 lines
1.4 KiB
PHP
<?php
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/*************************************
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* SPDX-FileCopyrightText: 2009-2020 Vtenext S.r.l. <info@vtenext.com>
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* SPDX-License-Identifier: AGPL-3.0-only
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************************************/
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class VTWS_PreserveGlobal{
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private static $globalData = array();
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static function preserveGlobal($name,$value){
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//$name store the name of the global.
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global $$name;
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if(!is_array(VTWS_PreserveGlobal::$globalData[$name])){
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VTWS_PreserveGlobal::$globalData[$name] = array();
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VTWS_PreserveGlobal::$globalData[$name][] = $$name;
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}
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$$name = $value;
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return $$name;
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}
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static function restore($name){
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//$name store the name of the global.
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global $$name;
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if(is_array(VTWS_PreserveGlobal::$globalData[$name]) && count(VTWS_PreserveGlobal::$globalData[$name]) > 0){
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$$name = array_pop(VTWS_PreserveGlobal::$globalData[$name]);
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}
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$$name;
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}
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static function getGlobal($name){
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global $$name;
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return VTWS_PreserveGlobal::preserveGlobal($name,$$name);
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}
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static function flush(){
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foreach (VTWS_PreserveGlobal::$globalData as $name => $detail) {
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//$name store the name of the global.
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global $$name;
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if(is_array(VTWS_PreserveGlobal::$globalData[$name]) && count(VTWS_PreserveGlobal::$globalData[$name]) > 0) {
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$$name = array_pop(VTWS_PreserveGlobal::$globalData[$name]);
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}
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}
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VTWS_PreserveGlobal::$globalData = array(); //crmv@31461
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}
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}
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?>
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