WordPress Filters
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What are filters in WordPress? How to use WordPress add_filter ?
What is a WordPress filter? A WordPress filter is a hook that modifies data before it is returned to the database and displayed to the user. As a result, you can customize the functionality of a plugin, theme or website without changing the core WordPress files. For example, adding footnotes to all site posts or changing their excerpt length. There are four common filter hook functions - add_filter, remove_filter, has_filter and...