Bug #74075 [NEW]: type hints handle NULL always in strict mode

From: spam2 at rhsoft dot net Operating system: PHP version: 7.0.15 Package: Scripting Engine problem Bug Type: Bug Bug description:type hints handle NULL always in strict mode Description: ------------ why in the world behaves a user function with a scalar type hint always like declare(strict_types=1) has been set while builtin-functions have that behavior only when strict mode is really enabled frankly that breaks a lot of code when you try to introduce scalar type hints to get rid of explicit type casting randomly and defeats the whole purpuse of type hints in function definitions and that is a MAJOR problem Test script: --------------- ________________________________________________________ OK [harry@srv-rhsoft:/downloads]$ cat test.php <?php $test = NULL; echo trim($test); ?> [harry@srv-rhsoft:/downloads]$ php test.php [harry@srv-rhsoft:/downloads]$ [harry@srv-rhsoft:/downloads]$ cat test.php <?php declare(strict_types=1); $test = NULL; echo trim($test); ?> [harry@srv-rhsoft:/downloads]$ php test.php Fatal error: Uncaught TypeError: trim() expects parameter 1 to be string, null given in /mnt/data/downloads/test.php:3 Stack trace: #0 /mnt/data/downloads/test.php(3): trim(NULL) #1 {main} thrown in /mnt/data/downloads/test.php on line 3 ________________________________________________________ COMPLETLY BROKEN BEHAVIOR: [harry@srv-rhsoft:/downloads]$ cat test.php <?php $test = NULL; echo test($test); function test(string $input) { } ?> [harry@srv-rhsoft:/downloads]$ php test.php Fatal error: Uncaught TypeError: Argument 1 passed to test() must be of the type string, null given, called in /mnt/data/downloads/test.php on line 3 and defined in /mnt/data/downloads/test.php:5 Stack trace: #0 /mnt/data/downloads/test.php(3): test(NULL) #1 {main} thrown in /mnt/data/downloads/test.php on line 5 -- Edit bug report at https://bugs.php.net/bug.php?id=74075&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=74075&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=74075&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=74075&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=74075&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=74075&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=74075&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=74075&r=needscript Try newer version: https://bugs.php.net/fix.php?id=74075&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=74075&r=support Expected behavior: https://bugs.php.net/fix.php?id=74075&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=74075&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=74075&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=74075&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74075&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=74075&r=dst IIS Stability: https://bugs.php.net/fix.php?id=74075&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=74075&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=74075&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=74075&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=74075&r=mysqlcfg