Bug #76980 [NEW]: Interface gets skipped if autoloader throws an exception

From: Date: Sat, 06 Oct 2018 21:38:23 +0000
Subject: Bug #76980 [NEW]: Interface gets skipped if autoloader throws an exception
Groups: php.bugs 
Request: Send a blank email to php-bugs+get-217449@lists.php.net to get a copy of this message
From:             martin at auswoeger dot com
Operating system: 
PHP version:      7.2.10
Package:          *General Issues
Bug Type:         Bug
Bug description:Interface gets skipped if autoloader throws an exception

Description:
------------
If a class implements an interface for which the registered autoloader
throws an exception, the class is actually defined afterwards but
without the interface.

Test script:
---------------
<?php

spl_autoload_register(function ($class) {
    if ('Foo' === $class) {
        class Foo implements Foointerface {}
    } elseif ('Foointerface' === $class) {
        throw new Exception();
    }
});

try {
    // First call triggers the autoloader
    new Foo();
} catch (Exception $e) {}

// For the second call Foo is loaded
var_dump(new Foo());

// Even though it’s missing the interface
var_dump(new Foo() instanceof Foointerface);
var_dump((new ReflectionClass('Foo'))->getInterfaces());

Expected result:
----------------
Fatal error: Uncaught Exception in …  
thrown in … on line 7

Actual result:
--------------
object(Foo)#3 (0) {
}
bool(false)
array(0) {
}

-- 
Edit bug report at https://bugs.php.net/bug.php?id=76980&edit=1
-- 
Try a snapshot (PHP 5.4):   https://bugs.php.net/fix.php?id=76980&r=trysnapshot54
Try a snapshot (PHP 5.5):   https://bugs.php.net/fix.php?id=76980&r=trysnapshot55
Try a snapshot (trunk):     https://bugs.php.net/fix.php?id=76980&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=76980&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=76980&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=76980&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=76980&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=76980&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=76980&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=76980&r=notwrong
Not enough info:            https://bugs.php.net/fix.php?id=76980&r=notenoughinfo
Submitted twice:            https://bugs.php.net/fix.php?id=76980&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=76980&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=76980&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=76980&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=76980&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=76980&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=76980&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=76980&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=76980&r=mysqlcfg



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