public function getMappedLocalColumn($foreign)
    {
        $index = array_search($foreign, $this->foreignColumns);
        return $this->localColumns[$index];
    }
public function getMappedLocalColumn($foreign)
    {
        $index = array_search($foreign, $this->foreignColumns);
        return $this->localColumns[$index];
    }
public function getMappedLocalColumn ( $ foreign ) { $ index = array_search ( $ foreign , $ this -> foreignColumns ) ; return $ this -> localColumns [ $ index ] ; }
Returns the local column name mapped to a specified foreign column.

@param  string $foreign
@return string
Returns the local column name mapped to a specified foreign column .