Bug #72628 [Csd]: PDO constructer return null when arguments are unexpected types

Edit report at https://bugs.php.net/bug.php?id=72628&edit=1 ID: 72628 Updated by: cmb@php.net Reported by: kazu9su at gmail dot com Summary: PDO constructer return null when arguments are unexpected types Status: Closed Type: Bug Package: PDO related PHP Version: 5.6.23 Assigned To: nikic Block user comment: N Private report: N New Comment: As Nikita said, that has been fixed, but it seems noteworthy that no PDOException is thrown in this case, but rather TypeError, see <https://3v4l.org/jfChu>. Previous Comments: ------------------------------------------------------------------------ [2016-07-20 10:12:26] nikic@php.net This has been fixed in PHP 7.0 as part of https://wiki.php.net/rfc/internal_constructor_behaviour. ------------------------------------------------------------------------ [2016-07-20 08:33:31] kazu9su at gmail dot com Description: ------------ PDO contructer return null and output warning() when given unexpected type arguments. I think it is better that throw PDO exception with relevant message or update PHPDoc to indicate this specification. How about that? Test script: --------------- <?php try { $pdo = new PDO('pgsql:host=db;dbname=hoge', 'postgres', [], []); var_dump(is_null($pdo)); } catch(PDOException $e) { var_dump($e->getMessage()); } Expected result: ---------------- string(64) "PDO::__construct() expects parameter 3 to be string, array given" Actual result: -------------- Warning: PDO::__construct() expects parameter 3 to be string, array given in /Users/kazushige.tominaga/test-prestissimo/hoge.php on line 2 bool(true) ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=72628&edit=1