/**
* @brief Gets a value from config.php
* @param string $key key
- * @param string|null $default = null default value
+ * @param array|bool|string|null $default = null default value
* @return string the value or $default
*
* This function gets the value from config.php. If it does not exist,
/**
* @brief Assign variables
* @param string $key key
- * @param string $value value
+ * @param array|bool|integer|string $value value
* @return bool
*
* This function assigns a variable. It can be accessed via $_[$key] in