My first commit of codes
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sujitprasad
443
vendor/sebastian/global-state/src/Snapshot.php
vendored
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443
vendor/sebastian/global-state/src/Snapshot.php
vendored
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<?php
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/**
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* GlobalState
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*
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* Copyright (c) 2001-2014, Sebastian Bergmann <sebastian@phpunit.de>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the name of Sebastian Bergmann nor the names of his
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @author Sebastian Bergmann <sebastian@phpunit.de>
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* @copyright 2001-2014 Sebastian Bergmann <sebastian@phpunit.de>
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* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
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* @link http://www.github.com/sebastianbergmann/global-state
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*/
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namespace SebastianBergmann\GlobalState;
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use Closure;
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use ReflectionClass;
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/**
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* A snapshot of global state.
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*
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* @author Sebastian Bergmann <sebastian@phpunit.de>
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* @copyright 2001-2014 Sebastian Bergmann <sebastian@phpunit.de>
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* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
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* @link http://www.github.com/sebastianbergmann/global-state
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*/
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class Snapshot
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{
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/**
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* @var Blacklist
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*/
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private $blacklist;
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/**
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* @var array
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*/
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private $globalVariables = array();
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/**
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* @var array
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*/
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private $superGlobalArrays = array();
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/**
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* @var array
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*/
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private $superGlobalVariables = array();
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/**
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* @var array
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*/
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private $staticAttributes = array();
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/**
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* @var array
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*/
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private $iniSettings = array();
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/**
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* @var array
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*/
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private $includedFiles = array();
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/**
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* @var array
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*/
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private $constants = array();
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/**
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* @var array
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*/
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private $functions = array();
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/**
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* @var array
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*/
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private $interfaces = array();
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/**
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* @var array
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*/
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private $classes = array();
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/**
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* @var array
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*/
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private $traits = array();
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/**
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* Creates a snapshot of the current global state.
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*
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* @param Blacklist $blacklist
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* @param boolean $includeGlobalVariables
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* @param boolean $includeStaticAttributes
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* @param boolean $includeConstants
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* @param boolean $includeFunctions
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* @param boolean $includeClasses
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* @param boolean $includeInterfaces
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* @param boolean $includeTraits
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* @param boolean $includeIniSettings
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* @param boolean $includeIncludedFiles
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*/
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public function __construct(Blacklist $blacklist = null, $includeGlobalVariables = true, $includeStaticAttributes = true, $includeConstants = true, $includeFunctions = true, $includeClasses = true, $includeInterfaces = true, $includeTraits = true, $includeIniSettings = true, $includeIncludedFiles = true)
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{
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if ($blacklist === null) {
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$blacklist = new Blacklist;
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}
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$this->blacklist = $blacklist;
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if ($includeConstants) {
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$this->snapshotConstants();
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}
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if ($includeFunctions) {
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$this->snapshotFunctions();
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}
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if ($includeClasses || $includeStaticAttributes) {
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$this->snapshotClasses();
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}
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if ($includeInterfaces) {
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$this->snapshotInterfaces();
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}
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if ($includeGlobalVariables) {
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$this->setupSuperGlobalArrays();
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$this->snapshotGlobals();
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}
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if ($includeStaticAttributes) {
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$this->snapshotStaticAttributes();
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}
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if ($includeIniSettings) {
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$this->iniSettings = ini_get_all(null, false);
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}
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if ($includeIncludedFiles) {
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$this->includedFiles = get_included_files();
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}
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if (function_exists('get_declared_traits')) {
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$this->traits = get_declared_traits();
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}
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}
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/**
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* @return Blacklist
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*/
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public function blacklist()
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{
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return $this->blacklist;
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}
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/**
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* @return array
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*/
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public function globalVariables()
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{
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return $this->globalVariables;
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}
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/**
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* @return array
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*/
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public function superGlobalVariables()
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{
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return $this->superGlobalVariables;
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}
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/**
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* Returns a list of all super-global variable arrays.
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*
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* @return array
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*/
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public function superGlobalArrays()
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{
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return $this->superGlobalArrays;
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}
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/**
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* @return array
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*/
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public function staticAttributes()
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{
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return $this->staticAttributes;
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}
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/**
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* @return array
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*/
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public function iniSettings()
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{
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return $this->iniSettings;
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}
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/**
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* @return array
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*/
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public function includedFiles()
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{
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return $this->includedFiles;
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}
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/**
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* @return array
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*/
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public function constants()
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{
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return $this->constants;
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}
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/**
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* @return array
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*/
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public function functions()
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{
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return $this->functions;
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}
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/**
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* @return array
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*/
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public function interfaces()
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{
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return $this->interfaces;
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}
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/**
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* @return array
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*/
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public function classes()
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{
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return $this->classes;
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}
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/**
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* @return array
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*/
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public function traits()
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{
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return $this->traits;
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}
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/**
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* Creates a snapshot user-defined constants.
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*/
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private function snapshotConstants()
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{
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$constants = get_defined_constants(true);
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if (isset($constants['user'])) {
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$this->constants = $constants['user'];
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}
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}
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/**
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* Creates a snapshot user-defined functions.
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*/
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private function snapshotFunctions()
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{
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$functions = get_defined_functions();
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$this->functions = $functions['user'];
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}
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/**
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* Creates a snapshot user-defined classes.
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*/
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private function snapshotClasses()
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{
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foreach (array_reverse(get_declared_classes()) as $className) {
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$class = new ReflectionClass($className);
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if (!$class->isUserDefined()) {
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break;
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}
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$this->classes[] = $className;
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}
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$this->classes = array_reverse($this->classes);
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}
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/**
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* Creates a snapshot user-defined interfaces.
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*/
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private function snapshotInterfaces()
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{
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foreach (array_reverse(get_declared_interfaces()) as $interfaceName) {
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$class = new ReflectionClass($interfaceName);
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if (!$class->isUserDefined()) {
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break;
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}
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$this->interfaces[] = $interfaceName;
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}
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$this->interfaces = array_reverse($this->interfaces);
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}
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/**
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* Creates a snapshot of all global and super-global variables.
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*/
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private function snapshotGlobals()
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{
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$superGlobalArrays = $this->superGlobalArrays();
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foreach ($superGlobalArrays as $superGlobalArray) {
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$this->snapshotSuperGlobalArray($superGlobalArray);
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}
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foreach (array_keys($GLOBALS) as $key) {
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if ($key != 'GLOBALS' &&
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!in_array($key, $superGlobalArrays) &&
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$this->canBeSerialized($GLOBALS[$key]) &&
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!$this->blacklist->isGlobalVariableBlacklisted($key)) {
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$this->globalVariables[$key] = unserialize(serialize($GLOBALS[$key]));
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}
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}
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}
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/**
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* Creates a snapshot a super-global variable array.
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*
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* @param $superGlobalArray
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*/
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private function snapshotSuperGlobalArray($superGlobalArray)
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{
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$this->superGlobalVariables[$superGlobalArray] = array();
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if (isset($GLOBALS[$superGlobalArray]) && is_array($GLOBALS[$superGlobalArray])) {
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foreach ($GLOBALS[$superGlobalArray] as $key => $value) {
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$this->superGlobalVariables[$superGlobalArray][$key] = unserialize(serialize($value));
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}
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}
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}
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/**
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* Creates a snapshot of all static attributes in user-defined classes.
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*/
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private function snapshotStaticAttributes()
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{
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foreach ($this->classes as $className) {
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$class = new ReflectionClass($className);
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$snapshot = array();
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foreach ($class->getProperties() as $attribute) {
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if ($attribute->isStatic()) {
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$name = $attribute->getName();
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if ($this->blacklist->isStaticAttributeBlacklisted($className, $name)) {
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continue;
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}
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$attribute->setAccessible(true);
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$value = $attribute->getValue();
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if ($this->canBeSerialized($value)) {
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$snapshot[$name] = unserialize(serialize($value));
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}
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}
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}
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if (!empty($snapshot)) {
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$this->staticAttributes[$className] = $snapshot;
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}
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}
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}
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/**
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* Returns a list of all super-global variable arrays.
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*
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* @return array
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*/
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private function setupSuperGlobalArrays()
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{
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$this->superGlobalArrays = array(
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'_ENV',
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'_POST',
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'_GET',
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'_COOKIE',
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'_SERVER',
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'_FILES',
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'_REQUEST'
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);
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if (ini_get('register_long_arrays') == '1') {
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$this->superGlobalArrays = array_merge(
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$this->superGlobalArrays,
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array(
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'HTTP_ENV_VARS',
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'HTTP_POST_VARS',
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'HTTP_GET_VARS',
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'HTTP_COOKIE_VARS',
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'HTTP_SERVER_VARS',
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'HTTP_POST_FILES'
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)
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);
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}
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}
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/**
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* @param mixed $variable
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* @return boolean
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* @todo Implement this properly
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*/
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private function canBeSerialized($variable) {
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return !$variable instanceof Closure;
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}
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}
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