Rob Allen's Blog: Determining if a ZF view helper exists
You can't request more than 20 challenges without solving them. Your previous challenges were flushed.
Rob Allen has a quick new post for you Zend Framework users out there on how to detect if a view helper even exists before you try to use it.
If you need to know whether a view helper exists before you call it, one way is to write a simple view helper to tell you.
You can then use it in a view script.
The comments mention another way to do it...
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