public function exists() : bool
    {
        $query = static::createQuery();
        $pks = static::getPrimaryKeys();
        $pkValues = $this->getPrimaryKeyValues();

        if (count($pks) != count($pkValues)) {
            return false;
        }

        $filterFunction = function (WhereClause $whereClause) use (&$pkValues, $query) {
            foreach ($pkValues as $field => $value) {
                $whereClause->and($field, '=', '?');
                $query->bind($value);
            }
        };
        $query->where($filterFunction)
            ->count('*');

        $row = $query->execute()->fetch();

        return $row['all_count'] > 0;
    }
public function exists() : bool
    {
        $query = static::createQuery();
        $pks = static::getPrimaryKeys();
        $pkValues = $this->getPrimaryKeyValues();

        if (count($pks) != count($pkValues)) {
            return false;
        }

        $filterFunction = function (WhereClause $whereClause) use (&$pkValues, $query) {
            foreach ($pkValues as $field => $value) {
                $whereClause->and($field, '=', '?');
                $query->bind($value);
            }
        };
        $query->where($filterFunction)
            ->count('*');

        $row = $query->execute()->fetch();

        return $row['all_count'] > 0;
    }
public function exists ( ) : bool { $ query = static :: createQuery ( ) ; $ pks = static :: getPrimaryKeys ( ) ; $ pkValues = $ this -> getPrimaryKeyValues ( ) ; if ( count ( $ pks ) != count ( $ pkValues ) ) { return false ; } $ filterFunction = function ( WhereClause $ whereClause ) use ( & $ pkValues , $ query ) { foreach ( $ pkValues as $ field => $ value ) { $ whereClause -> and ( $ field , '=' , '?' ) ; $ query -> bind ( $ value ) ; } } ; $ query -> where ( $ filterFunction ) -> count ( '*' ) ; $ row = $ query -> execute ( ) -> fetch ( ) ; return $ row [ 'all_count' ] > 0 ; }
Checks if the current Model exists in the storage.

@return bool
Checks if the current Model exists in the storage .