lib/db/cortex.php
protected function getRelFilterOption($key) {
		return (array_key_exists($key, $this->relFilter) &&
			!empty($this->relFilter[$key][1]))
			? $this->relFilter[$key][1] : null;
	}
protected function getRelFilterOption($key) {
		return (array_key_exists($key, $this->relFilter) &&
			!empty($this->relFilter[$key][1]))
			? $this->relFilter[$key][1] : null;
	}
protected function getRelFilterOption ( $ key ) { return ( array_key_exists ( $ key , $ this -> relFilter ) && ! empty ( $ this -> relFilter [ $ key ] [ 1 ] ) ) ? $ this -> relFilter [ $ key ] [ 1 ] : null ; }
returns the option condition for a relation filter, if defined
@param string $key
@return array null
returns the option condition for a relation filter if defined