[GIT-PULLS] [php-src] PR #23249: Fix leak when persistent PDO liveness check fails

[email protected] (iliaal)
Newsgroups php.git-pulls
Message-ID <[email protected]> 
Pull Request: https://github.com/php/php-src/pull/23249
Author: iliaal

zend_list_close() only runs PDO's regular resource dtor, which is NULL. A dead cached persistent handle with no other live PDO object was dropped from the cache and never passed to php_pdo_pdbh_dtor. Delete the persistent_list entry so the persistent dtor runs. If another PDO object still holds the handle, the cache entry is only evicted.
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