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Upstream fix: http://git.php.net/?p=php-src.git;a=patch;h=09607226d4d418421119736f8137189efc4602ff


This upstream fix is 5.4 only because it introduce an internal API change, so not acceptable in a stable branch.

Backporting this, in RHEL, will cause a small ABI change which is not expected.

Even with this backported, XDebug will not take benefit of this, as it only use it when build against PHP >= 5.4.

Notice: XDebug is not part of RHEL supported package (only in EPEL), and is a developer tool which shouldn't be enabled on a production server.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2014-1465.html

For memory, php-pecl-xdebug-2.1.4-2 (in EPEL) will take benefit of this change.

https://admin.fedoraproject.org/updates/php-pecl-xdebug-2.1.4-2.el6