NetBeans IDE 7.1 for PHP functions revealed to be invalid

Source: Internet
Author: User
Tags netbeans
NetBeans IDE 7.1 for PHP function hints are invalid!
Typing letters, there is no function hint, just as this function does not exist. There are red wavy lines underneath the letters. Not even a reload, what's going on?
Class inside the self:: so too.

------Solution--------------------
Not much use of this IDE problem is still not good, or use Phpstorm bar ... I do not regret believing.

In addition, if you want to use it, then the original configuration document must be deleted before the reload. I think it's set somewhere.
------Solution--------------------
File Settings Editor color & Fonts Font->size
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