[ZF-7918] Zend_Filter:
[ZF-7918] Zend_Filter:

- suppress warning with Namespaces
Note that using a own error-handler will still show notices, as isReadable itself will throw a notice

svenax/ZendFramework,svenax/ZendFramework,svenax/ZendFramework,svenax/ZendFramework,svenax/ZendFramework