#42520 [Ver->Bgs]: Type hinting: function still gets called if type mismatch occurs

ID: 42520 Updated by: vrana@php.net Reported By: konstantin at boyandin dot com -Status: Verified +Status: Bogus Bug Type: Documentation problem Operating System: Windows XP PHP Version: 5.2.4 New Comment: Nothing to document. Previous Comments: ------------------------------------------------------------------------ [2007-09-06 07:53:50] rquadling@php.net The returning False for the set_error_handler function is documented at http://www.php.net/manual/en/function.set-error-handler.php and is available since V5.2.0 ------------------------------------------------------------------------ [2007-09-06 07:50:48] rquadling@php.net The code is only executed if you are catching recoverable errors (errno = 4096 = E_RECOVERABLE_ERROR). This is documented as ... "Catchable fatal error. It indicates that a probably dangerous error occured, but did not leave the Engine in an unstable state. If the error is not caught by a user defined handle (see also set_error_handler()), the application aborts as it was an E_ERROR." This is available since PHP V5.2.0 http://www.php.net/manual/en/ref.errorfunc.php#errorfunc.constants.errorlevels.e-recoverable-error So, this IS documented. If you return False from set_error_handler the code aborts at that stage with the Catchable fatal error report. ------------------------------------------------------------------------ [2007-09-05 09:57:49] konstantin at boyandin dot com I have revised the reproducible code in accordance with the advice given. Now it demonstrates that the function is called in pure PHP 5.2.4 installation. <?php set_error_handler("report_error"); $a = new B(); test($a); class A { public function show() { print('Class A used'); } } class B { public function show() { print('Class B used'); } } function test(A $obj) { $obj->show(); } function report_error($errno, $errstr) { echo "PHP error $errstr<br />"; } ?> ------------------------------------------------------------------------ [2007-09-03 09:09:54] konstantin at boyandin dot com I was using the Windows binary PHP 5.2.4 distribution. Note: xdebug was installed when I found that behavior (no explicit options for it set in php.ini). I will try the situation without xdebug but with error handler set/unset. ------------------------------------------------------------------------ [2007-09-03 08:20:51] bjori@php.net bjori@lindsay:~$ php <?php function err($errno, $errstr) { echo $errstr, "\n"; } set_error_handler("err"); function typeHint(array $foo) { echo "I am inside the type hint with :", gettype($foo), "\n"; } typeHint("string"); Argument 1 passed to typeHint() must be an array, string given, called in /home/bjori/- on line 10 and defined I am inside the type hint with :string ------------------------------------------------------------------------ The remainder of the comments for this report are too long. To view the rest of the comments, please view the bug report online at http://bugs.php.net/42520 -- Edit this bug report at http://bugs.php.net/?id=42520&edit=1