--TEST-- PDO Common: PDO::FETCH_BOUND --SKIPIF-- --FILE-- getAttribute(PDO::ATTR_DRIVER_NAME) == 'mysql') { $db->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true); } $db->exec('CREATE TABLE test(idx int NOT NULL PRIMARY KEY, txt VARCHAR(20))'); $db->exec('INSERT INTO test VALUES(0, \'String0\')'); $db->exec('INSERT INTO test VALUES(1, \'String1\')'); $db->exec('INSERT INTO test VALUES(2, \'String2\')'); $stmt1 = $db->prepare('SELECT COUNT(idx) FROM test'); $stmt2 = $db->prepare('SELECT idx, txt FROM test ORDER by idx'); $stmt1->execute(); var_dump($stmt1->fetchColumn()); $stmt1 = null; $stmt2->execute(); $cont = $stmt2->fetchAll(PDO::FETCH_COLUMN|PDO::FETCH_UNIQUE); var_dump($cont); echo "===WHILE===\n"; $stmt2->bindColumn('idx', $idx); $stmt2->bindColumn('txt', $txt); $stmt2->execute(); while($stmt2->fetch(PDO::FETCH_BOUND)) { var_dump(array($idx=>$txt)); } echo "===ALONE===\n"; $stmt3 = $db->prepare('SELECT txt FROM test WHERE idx=:inp'); $stmt3->bindParam(':inp', $idx); /* by foreign name */ $stmt4 = $db->prepare('SELECT idx FROM test WHERE txt=:txt'); $stmt4->bindParam(':txt', $txt); /* using same name */ foreach($cont as $idx => $txt) { var_dump(array($idx=>$txt)); var_dump($stmt3->execute()); if ($idx == 0) { /* portability-wise, you may only bindColumn()s * after execute() has been called at least once */ $stmt3->bindColumn('txt', $col1); } var_dump($stmt3->fetch(PDO::FETCH_BOUND)); $stmt3->closeCursor(); var_dump($stmt4->execute()); if ($idx == 0) { /* portability-wise, you may only bindColumn()s * after execute() has been called at least once */ $stmt4->bindColumn('idx', $col2); } var_dump($stmt4->fetch(PDO::FETCH_BOUND)); $stmt4->closeCursor(); var_dump(array($col2=>$col1)); } echo "===REBIND/SAME===\n"; $stmt4->bindColumn('idx', $col1); foreach($cont as $idx => $txt) { var_dump(array($idx=>$txt)); var_dump($stmt3->execute()); var_dump($stmt3->fetch(PDO::FETCH_BOUND)); $stmt3->closeCursor(); var_dump($col1); var_dump($stmt4->execute()); var_dump($stmt4->fetch(PDO::FETCH_BOUND)); $stmt4->closeCursor(); var_dump($col1); } echo "===REBIND/CONFLICT===\n"; $stmt2->bindColumn('idx', $col1); $stmt2->bindColumn('txt', $col1); $stmt2->execute(); while($stmt2->fetch(PDO::FETCH_BOUND)) { var_dump($col1); } ?> --EXPECT-- string(1) "3" array(3) { [0]=> string(7) "String0" [1]=> string(7) "String1" [2]=> string(7) "String2" } ===WHILE=== array(1) { [0]=> string(7) "String0" } array(1) { [1]=> string(7) "String1" } array(1) { [2]=> string(7) "String2" } ===ALONE=== array(1) { [0]=> string(7) "String0" } bool(true) bool(true) bool(true) bool(true) array(1) { [0]=> string(7) "String0" } array(1) { [1]=> string(7) "String1" } bool(true) bool(true) bool(true) bool(true) array(1) { [1]=> string(7) "String1" } array(1) { [2]=> string(7) "String2" } bool(true) bool(true) bool(true) bool(true) array(1) { [2]=> string(7) "String2" } ===REBIND/SAME=== array(1) { [0]=> string(7) "String0" } bool(true) bool(true) string(7) "String0" bool(true) bool(true) string(1) "0" array(1) { [1]=> string(7) "String1" } bool(true) bool(true) string(7) "String1" bool(true) bool(true) string(1) "1" array(1) { [2]=> string(7) "String2" } bool(true) bool(true) string(7) "String2" bool(true) bool(true) string(1) "2" ===REBIND/CONFLICT=== string(7) "String0" string(7) "String1" string(7) "String2"