In this tutorial I'm going to show You how to create a dropdown filter with AJAX for WordPress Categories.
Step #1 - Filter posts by category
Create a file named dropdown-filter.php
If You want to filter by default WordPress Posts by Categories, the following lines must be look like this
#3 'taxonomy' => 'category' #20 'post_type' => 'post',
Step #2 - Create a shortcode and place it wherever You want
Just copy this code in the functions.php
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