controller/frontend/src/Controller/Frontend/Catalog/Decorator/Base.php
public function compare( $operator, $key, $value )
	{
		$this->controller->compare( $operator, $key, $value );
		return $this;
	}
public function compare( $operator, $key, $value )
	{
		$this->controller->compare( $operator, $key, $value );
		return $this;
	}
public function compare ( $ operator , $ key , $ value ) { $ this -> controller -> compare ( $ operator , $ key , $ value ) ; return $ this ; }
Adds generic condition for filtering attributes

@param string $operator Comparison operator, e.g. "==", "!=", "<", "<=", ">=", ">", "=~", "~="
@param string $key Search key defined by the catalog manager, e.g. "catalog.status"
@param array|string $value Value or list of values to compare to
@return \Aimeos\Controller\Frontend\Catalog\Iface Catalog controller for fluent interface
@since 2019.04
Adds generic condition for filtering attributes