How to display current and parent category of a post (WordPress snippet)
Need to show the category hierarchy in your theme? Learn how to get the current category and its parent using get_the_category() and cat_is_ancestor_of().
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How to extract the first link from post content (PHP snippet)
Need to get the URL of the first image or link in an article? Use Regular Expressions (Regex) or DOMDocument. Code for developers.