public function getFilters($first_blank = false) {
		$filters = $this->filters;

		if ($first_blank) {
			$filters = ['' => '---'] + $filters;
		}

		return $filters;
	}
public function getFilters($first_blank = false) {
		$filters = $this->filters;

		if ($first_blank) {
			$filters = ['' => '---'] + $filters;
		}

		return $filters;
	}
public function getFilters ( $ first_blank = false ) { $ filters = $ this -> filters ; if ( $ first_blank ) { $ filters = [ '' => '---' ] + $ filters ; } return $ filters ; }
Get column filters

@param bool $first_blank

@return array
Get column filters