Config.php: make 'reading dbname' Typo3 version dependent.

extension/qfq/qfq/store/Config.php

@@ -99,7 +99,7 @@ class Config {
             # Read 'LocalConfiguration.php'
             if (isset($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][EXT_KEY])) {
                 $configT3qfq = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][EXT_KEY]);
-                $configT3qfq[SYSTEM_DB_NAME_T3] = $GLOBALS['TYPO3_CONF_VARS']['DB']['database'];
+                $configT3qfq[SYSTEM_DB_NAME_T3] = self::getDbName($GLOBALS['TYPO3_CONF_VARS']['DB']);
 
             } else {
                 $all = include($pathTypo3Conf . '/' . CONFIG_T3);
@@ -112,11 +112,13 @@ class Config {
                     throw new qfq\UserFormException ("Error read file: " . $pathTypo3Conf . '/' . CONFIG_T3, ERROR_IO_READ_FILE);
                 }
 
-                $configT3qfq[SYSTEM_DB_NAME_T3] = $all['DB']['database'];
+                $configT3qfq[SYSTEM_DB_NAME_T3] = self::getDbName($all['DB']);
                 unset($all);
             }
+
             $configIni = $pathTypo3Conf . '/' . CONFIG_QFQ_INI;
             $configPhp = $pathTypo3Conf . '/' . CONFIG_QFQ_PHP;
+
         }
 
         // Migrate legacy config file.
@@ -147,6 +149,18 @@ class Config {
         return $config;
     }
 
+    /**
+     * Returns T3 DB-Name, depending on T3 version
+     *
+     * @param array $db
+     * @return mixed
+     */
+    private static function getDbName(array $db){
+
+        // T3 7.x: $GLOBALS['TYPO3_CONF_VARS']['DB']['database'],  T3 8.x: $GLOBALS['TYPO3_CONF_VARS']['DB']['Connections']['Default']['dbname']
+        return isset($db['database']) ? $db['database'] : $db['Connections']['Default']['dbname'];
+    }
+
     /**
      * Checks for deprecated options.
      * @param array $config