public function getQueryValue($key)
	{
		return isset($this->query[$key]) ? $this->query[$key] : null;
	}
public function getQueryValue($key)
	{
		return isset($this->query[$key]) ? $this->query[$key] : null;
	}
public function getQueryValue ( $ key ) { return isset ( $ this -> query [ $ key ] ) ? $ this -> query [ $ key ] : null ; }
Returns the value to which the specified key is mapped, or null if the query map contains no mapping for the key.

@param string $key
@return string the value to which the specified key is mapped, or null if the query map contains no mapping for the key.
Returns the value to which the specified key is mapped or null if the query map contains no mapping for the key .