224 lines
7.4 KiB
PHP
224 lines
7.4 KiB
PHP
<?php
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/**
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* FuzeWorks Framework Core.
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*
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* The FuzeWorks PHP FrameWork
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*
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* Copyright (C) 2013-2019 TechFuze
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* @author TechFuze
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* @copyright Copyright (c) 2013 - 2019, TechFuze. (http://techfuze.net)
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* @license https://opensource.org/licenses/MIT MIT License
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*
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* @link http://techfuze.net/fuzeworks
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* @since Version 0.0.1
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*
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* @version Version 1.3.0
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*/
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namespace FuzeWorks;
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use FuzeWorks\ConfigORM\ConfigORM;
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use FuzeWorks\Event\ConfigGetEvent;
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use FuzeWorks\Exception\ConfigException;
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use FuzeWorks\Exception\EventException;
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/**
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* Config Class.
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*
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* This class gives access to the config files. It allows you to open configurations and edit them.
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*
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* @author TechFuze <contact@techfuze.net>
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* @copyright Copyright (c) 2013 - 2019, TechFuze. (http://techfuze.net)
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*/
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class Config
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{
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use ComponentPathsTrait;
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/**
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* Array where all config files are saved while FuzeWorks runs
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*
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* @var array Array of all loaded config file ORM's
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*/
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protected array $cfg = [];
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/**
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* Array of config values that will be overridden
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*
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* @var array of config values
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*/
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public static array $configOverrides = [];
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/**
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* Retrieve a config file object
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*
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* @param string $configName Name of the config file. E.g. 'main'
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* @param array $configPaths Optional array of where to look for the config files
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* @return ConfigORM of the config file. Allows for easy reading and editing of the file
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* @throws ConfigException
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*/
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public function getConfig(string $configName, array $configPaths = []): ConfigORM
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{
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// Determine the config name
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$configName = strtolower($configName);
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// If it's already loaded, return the existing object
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if (isset($this->cfg[$configName]))
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{
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return $this->cfg[$configName];
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}
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// First determine what directories to use
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$paths = [];
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if (!empty($configPaths))
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$paths[3] = $configPaths;
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else
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$paths = $this->componentPaths;
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// Otherwise, try and load a new one
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$this->cfg[$configName] = $this->loadConfigFile($configName, $paths);
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return $this->cfg[$configName];
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}
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/**
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* @param $configName
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* @return ConfigORM
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* @throws ConfigException
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*/
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public function get($configName): ConfigORM
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{
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return $this->getConfig($configName);
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}
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/**
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* @param $configName
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* @return ConfigORM
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* @throws ConfigException
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*/
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public function __get($configName): ConfigORM
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{
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return $this->getConfig($configName);
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}
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/**
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* Clears all the config files and discards all changes not committed
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*/
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public function discardConfigFiles()
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{
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$this->cfg = [];
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}
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/**
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* Determine whether the file exists and, if so, load the ConfigORM
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*
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* @param string $configName Name of the config file. E.g. 'main'
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* @param array $configPaths Required array of where to look for the config files
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* @return ConfigORM of the config file. Allows for easy reading and editing of the file
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* @throws ConfigException
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*/
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protected function loadConfigFile(string $configName, array $configPaths): ConfigORM
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{
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// Fire event to intercept the loading of a config file
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/** @var ConfigGetEvent $event */
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try {
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$event = Events::fireEvent('configGetEvent', $configName, $configPaths);
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// @codeCoverageIgnoreStart
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} catch (EventException $e) {
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throw new ConfigException("Could not load config. ConfigGetEvent fired exception: '" . $e->getMessage() . "''", 1);
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// @codeCoverageIgnoreEnd
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}
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// If cancelled, load empty config
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if ($event->isCancelled())
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return new ConfigORM();
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// Cycle through all priorities if they exist
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for ($i=Priority::getHighestPriority(); $i<=Priority::getLowestPriority(); $i++)
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{
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if (!isset($event->configPaths[$i]))
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continue;
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// Cycle through all directories
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foreach ($event->configPaths[$i] as $configPath)
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{
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// If file exists, load it and break the loop
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$file = $configPath . DS . 'config.'.strtolower($event->configName).'.php';
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if (file_exists($file))
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{
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// Load object
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$configORM = (new ConfigORM())->load($file);
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// Override config values if they exist
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if (isset(self::$configOverrides[$event->configName]))
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{
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foreach (self::$configOverrides[$event->configName] as $configKey => $configValue)
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$configORM->{$configKey} = $configValue;
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}
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// Return object
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return $configORM;
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}
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}
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}
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// Try fallback
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$file = Core::$coreDir . DS . 'Config' . DS . 'config.' . $event->configName . '.php';
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if (file_exists($file))
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{
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// Load object
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$configORM = (new ConfigORM())->load($file);
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// Override config values if they exist
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if (isset(self::$configOverrides[$event->configName]))
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{
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foreach (self::$configOverrides[$event->configName] as $configKey => $configValue)
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$configORM->{$configKey} = $configValue;
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}
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// Return object
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return $configORM;
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}
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throw new ConfigException("Could not load config. File $event->configName not found", 1);
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}
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/**
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* Override a config value before FuzeWorks is loaded.
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*
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* Allows the user to change any value in config files loaded by FuzeWorks.
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*
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* @param string $configName
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* @param string $configKey
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* @param $configValue
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*/
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public static function overrideConfig(string $configName, string $configKey, $configValue)
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{
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// Convert configName
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$configName = strtolower($configName);
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// If config doesn't exist yet, create it
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if (!isset(self::$configOverrides[$configName]))
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self::$configOverrides[$configName] = [];
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// And set the value
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self::$configOverrides[$configName][$configKey] = $configValue;
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}
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} |