Bug #70519 [NEW]: strict_types=0 does not work with NULL

From: vincent dot guth at gmail dot com Operating system: Linux PHP version: 7.0.0RC3 Package: *General Issues Bug Type: Bug Bug description:strict_types=0 does not work with NULL Description: ------------ declare(strict_types=0); does not work with NULL value when using argument type declarations (see test script). Test script: --------------- php7 -r 'declare(strict_types=0); function test(string $s) {var_dump($s);} test(123);' php7 -r 'declare(strict_types=0); function test(string $s) {var_dump($s);} test(NULL);' Expected result: ---------------- string(3) "123" string(0) "" Actual result: -------------- string(3) "123" PHP Fatal error: Uncaught TypeError: Argument 1 passed to test() must be of the type string, null given, called in Command line code on line 1 and defined in Command line code:1 Stack trace: #0 Command line code(1): test(NULL) #1 {main} thrown in Command line code on line 1 -- Edit bug report at https://bugs.php.net/bug.php?id=70519&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=70519&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=70519&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=70519&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=70519&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=70519&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=70519&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=70519&r=needscript Try newer version: https://bugs.php.net/fix.php?id=70519&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=70519&r=support Expected behavior: https://bugs.php.net/fix.php?id=70519&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=70519&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=70519&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=70519&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=70519&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=70519&r=dst IIS Stability: https://bugs.php.net/fix.php?id=70519&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=70519&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=70519&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=70519&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=70519&r=mysqlcfg