Bug #78689 [NEW]: Closure::fromCallable() doesn't handle [Closure, '__invoke']

From: Date: Fri, 18 Oct 2019 12:06:28 +0000
Subject: Bug #78689 [NEW]: Closure::fromCallable() doesn't handle [Closure, '__invoke']
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-223252@lists.php.net to get a copy of this message
From:             nicolas dot grekas+php at gmail dot com
Operating system: 
PHP version:      7.3.10
Package:          Scripting Engine problem
Bug Type:         Bug
Bug description:Closure::fromCallable() doesn't handle [Closure, '__invoke']

Description:
------------
php > $a = [function () { echo 123; }, '__invoke'];
php > $a();
123
php > $b = Closure::fromCallable($a);
php > $b();
PHP Warning:  Invalid callback , no array or string given in php shell
code on line 1
PHP Stack trace:
PHP   1. {main}() php shell code:0
PHP   2. Closure->__invoke() php shell code:1
php > 

The warning is wrong - Closure::fromCallable() could return $a actually
:)


-- 
Edit bug report at https://bugs.php.net/bug.php?id=78689&edit=1
-- 
Fix committed:                    https://bugs.php.net/fix.php?id=78689&r=fixed
Fixed in release:                 https://bugs.php.net/fix.php?id=78689&r=alreadyfixed
Need backtrace:                   https://bugs.php.net/fix.php?id=78689&r=needtrace
Need Reproduce Script:            https://bugs.php.net/fix.php?id=78689&r=needscript
Try newer version:                https://bugs.php.net/fix.php?id=78689&r=oldversion
Not developer issue:              https://bugs.php.net/fix.php?id=78689&r=support
Expected behavior:                https://bugs.php.net/fix.php?id=78689&r=notwrong
Not enough info:                  https://bugs.php.net/fix.php?id=78689&r=notenoughinfo
Submitted twice:                  https://bugs.php.net/fix.php?id=78689&r=submittedtwice
register_globals:                 https://bugs.php.net/fix.php?id=78689&r=globals
PHP version support discontinued: https://bugs.php.net/fix.php?id=78689&r=phptooold
Daylight Savings:                 https://bugs.php.net/fix.php?id=78689&r=dst
IIS Stability:                    https://bugs.php.net/fix.php?id=78689&r=isapi
Install GNU Sed:                  https://bugs.php.net/fix.php?id=78689&r=gnused
Floating point limitations:       https://bugs.php.net/fix.php?id=78689&r=float
No Zend Extensions:               https://bugs.php.net/fix.php?id=78689&r=nozend
MySQL Configuration Error:        https://bugs.php.net/fix.php?id=78689&r=mysqlcfg


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