Unable to overload exit in PHP 5.5.14 and PHP 5.4.30

[Vinai]

Test Script:

<?php

if (function_exists('uopz_overload')) {
    if (ini_get('uopz.overloads')) {
        echo "overloading exit()\n";
        uopz_overload(ZEND_EXIT, function(){});
    }
}
exit();

echo "This does not get output despite exit being overloaded.\n";

Output:

% php overload.php 
overloading exit()

Despite uopz being installed and overloads being enabled in php.ini, it simply doesn't work.

PHP Version:

% php --version
PHP 5.5.14 (cli) (built: Jul 22 2014 22:24:54) 
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies
    with Xdebug v2.2.5, Copyright (c) 2002-2014, by Derick Rethans

Note I have disabled the opcache zend extension.
Same results happens for php54:

% php --version            
PHP 5.4.30 (cli) (built: Jul 22 2014 21:34:41) 
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologies
    with Xdebug v2.2.5, Copyright (c) 2002-2014, by Derick Rethans

Do you have any pointers how to debug or fix this?

[kornrunner]

You should load uopz as zend_extension in your ini, eg:

zend_extension=uopz.so

Once you do that, it should show up in php version output:

➜  ~  php -v
PHP 5.5.14 (cli) (built: Jun 25 2014 19:03:14) 
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2014 Zend Technologies
    with uopz v2.0.4, Copyright (c) 2014, by Joe Watkins <krakjoe@php.net>
    with Zend OPcache v7.0.4-dev, Copyright (c) 1999-2014, by Zend Technologies

[Vinai]

Thanks! Thats it!

The install via pecl had added it using extension="uopz.so" instead of zend_extension="upoz.so".