Config.inc.php

<?php
 
define('CONFIG_FILE', Core::getBaseDir() . DIRECTORY_SEPARATOR . 'config.inc.php');
 
import('lib.pkp.classes.config.ConfigParser');
 
class Config {
   static function getVar($section, $key, $default = null) {
      $configData =& Config::getData();
      return isset($configData[$section][$key]) ? $configData[$section][$key] : $default;
   }
 
   static function &getData() {
      $configData =& Registry::get('configData', true, null);
 
      if ($configData === null) {
         // Load configuration data only once per request, implicitly
         // sets config data by ref in the registry.
         $configData = Config::reloadData();
      }
 
      return $configData;
   }
 
   static function &reloadData() {
      if (($configData =& ConfigParser::readConfig(Config::getConfigFileName())) === false) {
         fatalError(sprintf('Cannot read configuration file %s', Config::getConfigFileName()));
      }
 
      return $configData;
   }
 
   static function setConfigFileName($configFile) {
      // Reset the config data
      $configData = null;
      Registry::set('configData', $configData);
 
      // Set the config file
      Registry::set('configFile', $configFile);
   }
 
   static function getConfigFileName() {
      return Registry::get('configFile', true, CONFIG_FILE);
   }
 
   static function &getContextBaseUrls() {
      $contextBaseUrls =& Registry::get('contextBaseUrls'); // Reference required.
 
      if (is_null($contextBaseUrls)) {
         $contextBaseUrls = array();
         $configData = self::getData();
         // Filter the settings.
         $matches = null;
         foreach ($configData['general'] as $settingName => $settingValue) {
            if (preg_match('/base_url\[(.*)\]/', $settingName, $matches)) {
               $workingContextPath = $matches[1];
               $contextBaseUrls[$workingContextPath] = $settingValue;
            }
         }
      }
 
      return $contextBaseUrls;
   }
}