Change-Id: I87db5c251310f6f56f0ec47cbb7f034ed43c31ac
}
/**
- * This function takes two arrays as input, and returns a CGI-style string, e.g.
+ * This function takes one or two arrays as input, and returns a CGI-style string, e.g.
* "days=7&limit=100". Options in the first array override options in the second.
* Options set to null or false will not be output.
*
* @param array $array1 ( String|Array )
- * @param array $array2 ( String|Array )
+ * @param array|null $array2 ( String|Array )
* @param string $prefix
* @return string
*/