Req #76312 [NEW]: Returning anything in a constructor/destructor should error
| From: | requinix@php.net | Date: | Tue, 08 May 2018 16:21:56 +0000 |
| Subject: | Req #76312 [NEW]: Returning anything in a constructor/destructor should error | ||
| Groups: | php.bugs | ||
| Request: | Send a blank email to php-bugs+get-215156@lists.php.net to get a copy of this message | ||
From: requinix
Operating system:
PHP version: 7.2.5
Package: Class/Object related
Bug Type: Feature/Change Request
Bug description:Returning anything in a constructor/destructor should error
Description:
------------
Given that __construct and __destruct do not have return types, PHP
should raise an error if the user attempts to return a value. Currently
it is allowed but the values are ignored. Naturally an empty return
should still be allowed.
Targeting only master/7.3+ is fine.
https://3v4l.org/q1guZ
Request or bug? Feels to me like 51% feature request and 49% bug
report.
Backwards compatibility? Some quick searches on searchcode.com found
some constructors returning values, such as false (private constructors)
or $this.
Test script:
---------------
<?php
class Foo {
public function __construct() {
return 123;
}
public function __destruct() {
return 456;
}
}
Expected result:
----------------
Either E_PARSEs or E_WARNINGs. Should be the same one for both methods.
Possibly E_WARNING or E_NOTICE when __construct returns $this: it's
understandable but still technically wrong.
--
Edit bug report at https://bugs.php.net/bug.php?id=76312&edit=1
--
Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=76312&r=trysnapshot54
Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=76312&r=trysnapshot55
Try a snapshot (trunk): https://bugs.php.net/fix.php?id=76312&r=trysnapshottrunk
Fixed in SVN: https://bugs.php.net/fix.php?id=76312&r=fixed
Fixed in release: https://bugs.php.net/fix.php?id=76312&r=alreadyfixed
Need backtrace: https://bugs.php.net/fix.php?id=76312&r=needtrace
Need Reproduce Script: https://bugs.php.net/fix.php?id=76312&r=needscript
Try newer version: https://bugs.php.net/fix.php?id=76312&r=oldversion
Not developer issue: https://bugs.php.net/fix.php?id=76312&r=support
Expected behavior: https://bugs.php.net/fix.php?id=76312&r=notwrong
Not enough info: https://bugs.php.net/fix.php?id=76312&r=notenoughinfo
Submitted twice: https://bugs.php.net/fix.php?id=76312&r=submittedtwice
register_globals: https://bugs.php.net/fix.php?id=76312&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76312&r=php4
Daylight Savings: https://bugs.php.net/fix.php?id=76312&r=dst
IIS Stability: https://bugs.php.net/fix.php?id=76312&r=isapi
Install GNU Sed: https://bugs.php.net/fix.php?id=76312&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=76312&r=float
No Zend Extensions: https://bugs.php.net/fix.php?id=76312&r=nozend
MySQL Configuration Error: https://bugs.php.net/fix.php?id=76312&r=mysqlcfg