I have reproduced the issue with apparmor 2.8.95~2430-0ubuntu5.1 from trusty-updates, and can confirm that the version of apparmor in trusty-proposed, 2.8.95~2430-0ubuntu5.2, fixes the issue with the Zend semaphore file accesses for php scripts. Marking verification-done.
I have reproduced the issue with apparmor 2.8.95~ 2430-0ubuntu5. 1 from trusty-updates, and can confirm that the version of apparmor in trusty-proposed, 2.8.95~ 2430-0ubuntu5. 2, fixes the issue with the Zend semaphore file accesses for php scripts. Marking verification-done.