How to Add Categories and Post Tags to WordPress Custom Post Type

If you created a custom post type in WordPress and couldn't find the categories and post tags taxonomies, do not fret because the solution is easy.To add categories and post tags to a custom post type, include the taxonomies argument to register_post_type().[php] function post_type_init() … [Read more...]

Detect Visual and Text Mode in WordPress TinyMCE Editor

For reason(s) best known to you, you might want to check if WordPress TinyMCE Editor is in visual (rich text) or text mode.The variable is_tinymce_active returns true if TinyMCE is in visual mode and false otherwise.[javascript] var is_tinymce_active = (typeof tinyMCE != "undefined") … [Read more...]

WordPress Filters Battle – authenticate vs wp_authenticate_user

WordPress provide developers with lots of Action and Filter hooks for modifying, changing and remove certain operation / functionality in its core.These filters: authenticate and wp_authenticate_user are similar in that they can both be used to perform additional validation/authentication any … [Read more...]

Redirect First Time Commenters to a Custom WordPress Page

For reasons best known to you, redirecting readers or site visitors commenting on your blog for the first time to say, a Thank You for Commenting page would be fascinating.The code snippet below does the job perfectly well.[php] function redirect_first_time_commenters( $url, $comment ) … [Read more...]

Creating Tables in WordPress Database on Plugin Activation

WordPress provides plugin developers the option to store settings or data specific to a plugin into to the options database table (wp_options) made easy with a number of helper functions such as add_option, update_option and delete_option to add, update and delete data in the options table … [Read more...]

A look at WordPress Pluggable Functions

There are a list of PHP functions in WordPress called Pluggable Functions used internally by WordPress to execute certain tasks.The aim of these functions is to give plugin developers the ability to modify or override tasks perform by these functions.A full list of pluggable functions is … [Read more...]

How to Display The Feed Content of a Website in WordPress

The fetch_feed is a built-in WordPress function that retrieves and parses an external feed. Under-the-hood, it's powered by SimplePie - a very fast and easy-to-use PHP feed parser.Follow me as I walk us through the steps in using fetch_feed to display the feed content of this blog … [Read more...]