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Request #79679 non-void return in __construct should generate at least warning
Submitted: 2020-06-06 14:38 UTC Modified: 2020-06-07 10:04 UTC
From: michael dot vorisek at email dot cz Assigned:
Status: Suspended Package: Scripting Engine problem
PHP Version: 7.4.6 OS: any
Private report: No CVE-ID: None
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 [2020-06-06 14:38 UTC] michael dot vorisek at email dot cz
__construct is special methods and it should be not allowed to return any value

Test script:
class A {
    public function __construct() {
        return 5;

class B extends A {
    public function __construct() {

$b = new B();

Expected result:
PHP warning

Actual result:


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 [2020-06-06 19:35 UTC]
-Status: Open +Status: Suspended
 [2020-06-06 19:35 UTC]
While likely to be uncontroversial given the passing of the magic methods signature checks, this sort of thing needs to be discussed on the internals list.

Note that __destruct is also affected, as well as possibly __clone, __set, __unserialize, __unset, and __wakeup.
 [2020-06-07 10:04 UTC]
Just add a `void` return type hint to __construct().
 [2020-06-07 10:11 UTC] bugreports at gmail dot com
> Just add a `void` return type hint to __construct()

the nonesense beahvior when doing so is what that topic is all about when the docs say  __construct ([ mixed $args = "" [, $... ]] ) : void" and you get "Fatal error: Constructor x::__construct() cannot declare a return type" by declare void as return type
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