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Bug #65277 PHP-5.4.x and PHP-5.5.x extensions single-shot when loaded per-pool
Submitted: 2013-07-17 07:37 UTC Modified: -
From: bruno dot premont at restena dot lu Assigned:
Status: Open Package: FPM related
PHP Version: 5.4.17 OS: Linux
Private report: No CVE-ID: None
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 [2013-07-17 07:37 UTC] bruno dot premont at restena dot lu
Loading extensions on a per-pool basis make the extension usable only a single time per worker process.
Loading the extension globally for PHP via php.ini works fine.

Working setup:

Failing setup:
  php_admin_value[extension] =

On failing setup following test-script fails with radius_auth_open: undefined function for second request. Easiest testing is pm=ondemand, long enough pm.process_idle_timeout and two subsequent requests. First request works, second one fails. The module is still reported as loaded and its functions are still returned by get_extension_funcs() even though they are undefined.

Test script:
header('Content-Type: text/plain; charset=UTF-8');

printf("Checking for 'radius' extension: %s\n", extension_loaded('radius') ? 'loaded' : 'missing');

$fa = get_extension_funcs('radius');
printf("Checking for 'radius' extension functions:%d\n", $fa === false ? -1 : count($fa));
if ($fa !== false)
        foreach ($fa as $faf)
                printf("\t%s(): %s\n", $faf, function_exists($faf) ? 'exists' : 'missing');


printf("Calling radius_auth_open():\n");flush();
$rh = function_exists('radius_auth_open') ? radius_auth_open() : false;
printf("\t%s\n", $rh === false ? 'false' : 'resource');

if ($rh) {
        // use $rh
        printf("Calling radius_close()\n");flush();
        $r = radius_close($rh);
        printf("\t%s\n", $r === true ? 'success' : 'failed');

Expected result:
The radius functions should be usable for each request and not only the ones that happens to be the first request processed by the respective worker.

Actual result:
First request works, second and subsequent requests to same worker process fail with undefined function on any call to extension functions.

extension_loaded() and get_extension_funcs() still return same information for subsequent requests as they do for the first request.


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