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| <?php | |
| /** | |
| * GlobalState | |
| * | |
| * Copyright (c) 2001-2014, Sebastian Bergmann <sebastian@phpunit.de>. | |
| * All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions | |
| * are met: | |
| * | |
| * * Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * | |
| * * Redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in | |
| * the documentation and/or other materials provided with the | |
| * distribution. | |
| * | |
| * * Neither the name of Sebastian Bergmann nor the names of his | |
| * contributors may be used to endorse or promote products derived | |
| * from this software without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | |
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| * POSSIBILITY OF SUCH DAMAGE. | |
| * | |
| * @author Sebastian Bergmann <sebastian@phpunit.de> | |
| * @copyright 2001-2014 Sebastian Bergmann <sebastian@phpunit.de> | |
| * @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License | |
| * @link http://www.github.com/sebastianbergmann/global-state | |
| */ | |
| namespace SebastianBergmann\GlobalState; | |
| use ReflectionProperty; | |
| /** | |
| * Restorer of snapshots of global state. | |
| * | |
| * @author Sebastian Bergmann <sebastian@phpunit.de> | |
| * @copyright 2001-2014 Sebastian Bergmann <sebastian@phpunit.de> | |
| * @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License | |
| * @link http://www.github.com/sebastianbergmann/global-state | |
| */ | |
| class Restorer | |
| { | |
| /** | |
| * Deletes function definitions that are not defined in a snapshot. | |
| * | |
| * @param Snapshot $snapshot | |
| * @throws RuntimeException when the uopz_delete() function is not available | |
| * @see https://github.com/krakjoe/uopz | |
| */ | |
| public function restoreFunctions(Snapshot $snapshot) | |
| { | |
| if (!function_exists('uopz_delete')) { | |
| throw new RuntimeException('The uopz_delete() function is required for this operation'); | |
| } | |
| $functions = get_defined_functions(); | |
| foreach (array_diff($functions['user'], $snapshot->functions()) as $function) { | |
| uopz_delete($function); | |
| } | |
| } | |
| /** | |
| * Restores all global and super-global variables from a snapshot. | |
| * | |
| * @param Snapshot $snapshot | |
| */ | |
| public function restoreGlobalVariables(Snapshot $snapshot) | |
| { | |
| $superGlobalArrays = $snapshot->superGlobalArrays(); | |
| foreach ($superGlobalArrays as $superGlobalArray) { | |
| $this->restoreSuperGlobalArray($snapshot, $superGlobalArray); | |
| } | |
| $globalVariables = $snapshot->globalVariables(); | |
| foreach (array_keys($GLOBALS) as $key) { | |
| if ($key != 'GLOBALS' && | |
| !in_array($key, $superGlobalArrays) && | |
| !$snapshot->blacklist()->isGlobalVariableBlacklisted($key)) { | |
| if (isset($globalVariables[$key])) { | |
| $GLOBALS[$key] = $globalVariables[$key]; | |
| } else { | |
| unset($GLOBALS[$key]); | |
| } | |
| } | |
| } | |
| } | |
| /** | |
| * Restores all static attributes in user-defined classes from this snapshot. | |
| * | |
| * @param Snapshot $snapshot | |
| */ | |
| public function restoreStaticAttributes(Snapshot $snapshot) | |
| { | |
| foreach ($snapshot->staticAttributes() as $className => $staticAttributes) { | |
| foreach ($staticAttributes as $name => $value) { | |
| $reflector = new ReflectionProperty($className, $name); | |
| $reflector->setAccessible(true); | |
| $reflector->setValue($value); | |
| } | |
| } | |
| } | |
| /** | |
| * Restores a super-global variable array from this snapshot. | |
| * | |
| * @param Snapshot $snapshot | |
| * @param $superGlobalArray | |
| */ | |
| private function restoreSuperGlobalArray(Snapshot $snapshot, $superGlobalArray) | |
| { | |
| $superGlobalVariables = $snapshot->superGlobalVariables(); | |
| if (isset($GLOBALS[$superGlobalArray]) && | |
| is_array($GLOBALS[$superGlobalArray]) && | |
| isset($superGlobalVariables[$superGlobalArray])) { | |
| $keys = array_keys( | |
| array_merge( | |
| $GLOBALS[$superGlobalArray], | |
| $superGlobalVariables[$superGlobalArray] | |
| ) | |
| ); | |
| foreach ($keys as $key) { | |
| if (isset($superGlobalVariables[$superGlobalArray][$key])) { | |
| $GLOBALS[$superGlobalArray][$key] = $superGlobalVariables[$superGlobalArray][$key]; | |
| } else { | |
| unset($GLOBALS[$superGlobalArray][$key]); | |
| } | |
| } | |
| } | |
| } | |
| } |