Bug #80309 [Opn->Nab]: numerical array keys converted to int in strict mode

Edit report at https://bugs.php.net/bug.php?id=80309&edit=1 ID: 80309 Updated by: requinix@php.net Reported by: shop1 at mokraemer dot de Summary: numerical array keys converted to int in strict mode -Status: Open +Status: Not a bug Type: Bug Package: Arrays related Operating System: Linux PHP Version: Irrelevant Block user comment: N Private report: N New Comment: This is documented behavior for array keys and is not affected by strict_types. Previous Comments: ------------------------------------------------------------------------ [2020-11-02 22:49:41] shop1 at mokraemer dot de Description: ------------ numerical array keys are converted to integers. In strict mode (typed properties, typed function parameters), this is not desireable. Test script: --------------- declare(strict_types=1); function f(string $s):string{ return $s; } $array=[ 'x'=>5, '1'=>6 ]; foreach($array as $k => $v){ echo f($k); } Expected result: ---------------- x1 Actual result: -------------- xPHP Fatal error: Uncaught TypeError: Argument 1 passed to f() must be of the type string, int given, called in /tmp/test.php on line 13 and defined in /tmp/test.php:3 Stack trace: #0 /tmp/test.php(13): f() #1 {main} thrown in /tmp/test.php on line 3 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=80309&edit=1