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Bug #33621 Exit code 0377 when calling a non-existant method using a dynamic call
Submitted: 2005-07-09 05:17 UTC Modified: 2005-07-11 08:51 UTC
From: davey@php.net Assigned: dmitry (profile)
Status: Not a bug Package: Scripting Engine problem
PHP Version: 5CVS-2005-07-09 (dev) OS: Ubuntu Linux 5.04
Private report: No CVE-ID: None
View Developer Edit
 [2005-07-09 05:17 UTC] davey@php.net 
Description:
------------
I'm using head as of 5 minutes ago, approx: 23:10 EST

Calling a non-existant method using the $obj->{$var}() notation causes an unexplained exit of the script with the exit code 0377.

Reproduce code:
---------------
<?php

class foo {
    function __construct()
    {
        $var = "foo";
        $this->{$var}();
    }
}

$foo = new foo;

?>

Expected result:
----------------
Nothing

Actual result:
--------------
With --enable-debug all I get this from gdb:

(gdb) run -f /var/www/php-cvs/testcase/evil_death_variable_method_call_nonexistant.php
Starting program: /var/www/php-cvs/php-src/sapi/cli/php -f /var/www/php-cvs/testcase/evil_death_variable_method_call_nonexistant.php
[Thread debugging using libthread_db enabled]
[New Thread -1214975328 (LWP 9095)]

Program exited with code 0377.

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 [2005-07-09 05:56 UTC] davey@php.net 
After further testing, I have found two more cases where this error occurs:

When __call is defined, but no args are specified (i.e. function __call() { }) and is_callable() or method_exists() are called, Exit Code 0377 is also given.

Whilst I understand this is an erroneous situation, it should either not care (i.e. func_get_args is being used for some stupid reason) or throw an error.

- Davey
 [2005-07-09 11:39 UTC] tony2001@php.net 
Are you sure you have display_errors set to ON ?
I can't see any "crashes" here, only Fatal error and the following exit with status 0377.
Exactly the same result you'll get with 
<?php nonex(); ?>
 [2005-07-11 08:51 UTC] dmitry@php.net 
Seems you lose fatal error messages. Set "disaplay_error" and "error_reporting" directives in your php.ini.

Fatal error: Call to undefined method foo::foo() in ...

Fatal error: Method foo::__call() must take exactly 2 arguments in ...
 
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