Bug #74750 [Opn]: strict_types not used for builtin callbacks (eg array_map)

Edit report at https://bugs.php.net/bug.php?id=74750&edit=1 ID: 74750 Updated by: cmb@php.net Reported by: fredemmott@php.net Summary: strict_types not used for builtin callbacks (eg array_map) Status: Open Type: Bug Package: Scripting Engine problem Operating System: Debian Jessie PHP Version: 7.1.6 Block user comment: N Private report: N New Comment: Isn't that to be expected? print_str() is called from array_map() and the latter is not declared in a declare(strict_types=1) file. Previous Comments: ------------------------------------------------------------------------ [2017-06-12 16:32:09] fredemmott@php.net Description: ------------ In a strict file: - declare a function with typed parameters - call a builtin in a way that types don't match (eg if your function takes a string, array_map over ints) Test script: --------------- <?php declare(strict_types=1); function print_str(string $foo) { var_dump($foo); } $input = [1, 2, 3]; array_map('print_str', $input); Expected result: ---------------- Type error Actual result: -------------- Coercion ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=74750&edit=1