-ins.
The core of the plugin
In general, the core of the plug-in is two function, to add hooks (Chinese to hook)
Add_action ($hookname, $callbackfunction)
Add_filter ($hookname, $callbackfunction)
These two methods are very important, and almost all plug-ins need to use them.
I understand that some of the special pointcuts that are reserved for WordPress's core code, or that occur when performing certain events, such as when the article is pub
-atom.php documents, if not recently modified, can skip;
3, ditto, testing functions.php documents;
4, note that the feed is cached, after the modification is completed, send an article, so that WP program to rebuild the feed, so as to see the effect;
5, if still wrong, you can try to temporarily shut down all plug-ins, replacement theme, such as one by one exclude.
All the above documents have been modified, there is no clue. So I installed a
Today suddenly a netizen message said blog feed hung, the symptoms are as follows:
Chrome opens the subscription page directly as shown below:
This page contains the following errors:error on line 1 at column 1:document are Emptybelow is a rendering of the page up to the first error.
FeedDemon Tip: This feed contains errors.
After the addition also has no influence, can use normally.
The fruit reader is also readable, but does not have access to the latest articles.
Tested with IE, shows "inv
Today suddenly a netizen message said blog feed hung, the symptoms are as follows:
Chrome opens the subscription page directly as shown below:
This page contains the following errors:error on line 1 at column 1:document are Emptybelow is a rendering of the page up to the first error.
FeedDemon Tip: This feed contains errors.
After the addition also has no influence, can use normally.
The fruit reader is also readable, but does not have access to the latest articles.
Tested with IE, shows "inval
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