lib/db/cortex.php
public function clearFilter($key = null) {
		if (!$key)
			$this->relFilter = array();
		elseif(isset($this->relFilter[$key]))
			unset($this->relFilter[$key]);
	}
public function clearFilter($key = null) {
		if (!$key)
			$this->relFilter = array();
		elseif(isset($this->relFilter[$key]))
			unset($this->relFilter[$key]);
	}
public function clearFilter ( $ key = null ) { if ( ! $ key ) $ this -> relFilter = array ( ) ; elseif ( isset ( $ this -> relFilter [ $ key ] ) ) unset ( $ this -> relFilter [ $ key ] ) ; }
removes one or all relation filter
@param null|string $key
removes one or all relation filter