--TEST-- MySQL PDOStatement->fetch(), PDO::FETCH_SERIALIZE --SKIPIF-- --FILE-- {$prop} = $value; } public function __get($prop) { printf("%s(%s)\n", __METHOD__, $prop); return NULL; } // Singleton public static function singleton($caller) { printf("%s(%s)\n", __METHOD__, $caller); if (!self::$instance) { $c = __CLASS__; self::$instance = new $c($caller); } return self::$instance; } // Serializable public function serialize() { printf("%s()\n", __METHOD__); return 'Data from serialize'; } public function unserialize($data) { printf("%s(%s)\n", __METHOD__, var_export($data, true)); } } $db->setAttribute(PDO::MYSQL_ATTR_DIRECT_QUERY, 0); if (0 != $db->getAttribute(PDO::MYSQL_ATTR_DIRECT_QUERY)) printf("[002] Unable to turn off emulated prepared statements\n"); $db->exec('DROP TABLE IF EXISTS test'); $db->exec(sprintf('CREATE TABLE test(id INT, myobj BLOB) ENGINE=%s', MySQLPDOTest::getTableEngine())); printf("Creating an object, serializing it and writing it to DB...\n"); $id = 1; $obj = myclass::singleton('Creating object'); $myobj = serialize($obj); $stmt = $db->prepare('INSERT INTO test(id, myobj) VALUES (?, ?)'); $stmt->bindValue(1, $id); $stmt->bindValue(2, $myobj); $stmt->execute(); printf("\nUnserializing the previously serialized object...\n"); var_dump(unserialize($myobj)); printf("\nUsing PDO::FETCH_CLASS|PDO::FETCH_SERIALIZE to fetch the object from DB and unserialize it...\n"); $stmt = $db->prepare('SELECT myobj FROM test'); $stmt->setFetchMode(PDO::FETCH_CLASS|PDO::FETCH_SERIALIZE, 'myclass', array('PDO shall not call __construct()')); $stmt->execute(); var_dump($stmt->fetch()); printf("\nUsing PDO::FETCH_CLASS to fetch the object from DB and unserialize it...\n"); $stmt = $db->prepare('SELECT myobj FROM test'); $stmt->setFetchMode(PDO::FETCH_CLASS, 'myclass', array('PDO shall call __construct()')); $stmt->execute(); var_dump($stmt->fetch()); } catch (PDOException $e) { printf("[001] %s [%s] %s\n", $e->getMessage(), $db->errorCode(), implode(' ', $db->errorInfo())); } print "done!\n"; ?> --CLEAN-- exec('DROP TABLE IF EXISTS test'); ?> --EXPECTF-- Creating an object, serializing it and writing it to DB... myclass::singleton(Creating object) myclass::__construct(Creating object) myclass::serialize() Unserializing the previously serialized object... myclass::unserialize('Data from serialize') object(myclass)#4 (1) { ["myprotected":protected]=> string(20) "a protected property" } Using PDO::FETCH_CLASS|PDO::FETCH_SERIALIZE to fetch the object from DB and unserialize it... myclass::unserialize('C:7:"myclass":19:{Data from serialize}') object(myclass)#%d (1) { ["myprotected":protected]=> string(20) "a protected property" } Using PDO::FETCH_CLASS to fetch the object from DB and unserialize it... myclass::__set(myobj, 'C:7:"myclass":19:{Data from serialize}') myclass::__construct(PDO shall call __construct()) object(myclass)#%d (2) { ["myprotected":protected]=> string(20) "a protected property" ["myobj"]=> string(38) "C:7:"myclass":19:{Data from serialize}" } done!