https://prggmr.wordpress.com/2011/05/12/failed-to-open-stream-inappropriate-ioctl-for-device/

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failed to open stream: Inappropriate ioctl for device

Posted by ioan1k ⋅ May 12, 2011 ⋅ Leave a comment

A new error I have yet to encounter at first glance this was a bit strange and didn’t make much sense … putting on my System administration hat the answer was quite obvious ownership.

Error:

failed to open stream: Inappropriate ioctl for device

Solution:

chown owner:group file.php

Modify the ownership of the file throwing the error to match that of the file that is being included.
Headache solved!