public function findByPK($pk){
        $pkConditions = $this->buildPKConditions($this->pk, $pk);
        return $this->findOne($pkConditions[0], $pkConditions[1]);
    }
public function findByPK($pk){
        $pkConditions = $this->buildPKConditions($this->pk, $pk);
        return $this->findOne($pkConditions[0], $pkConditions[1]);
    }
public function findByPK ( $ pk ) { $ pkConditions = $ this -> buildPKConditions ( $ this -> pk , $ pk ) ; return $ this -> findOne ( $ pkConditions [ 0 ] , $ pkConditions [ 1 ] ) ; }
Find one model by primary key

@param string|array $pk
@return \Ark\Database\Model Or false on failure
Find one model by primary key