WordPress Tutorials and Examples for Beginners

Sometimes, we need to know what query vars are used in wordpress. In this tutorial, we will tell you how to list all of them.

When you click a html input or textarea, you may find there exists a border around them. In this tutorial, we will introduce you how to remove this border.

We can add MathJax easily using some wordpress plugins. However, you may also can not show math equations after having install mathjax in wordpress. In this tutorial, we will list some problems and fix them.

When you are using google search console, you may find Breadcrumbs – Invalid URL in field “id” error. In this tutorial, we will introduce you how to fix.

If you plan to create a custom url rewrite url in wordpress, you may need to know current url rewrite rules in wordpress. In this tutorial, we will list all of them.

In this tutorial, we will introduce how to get wordpress category and tag by their slug using get_term_by().

posts_where hook can allow us to change or modify the sql where clause before executed by WP_Query. In this tutorial, we will use an example to show you how to use this hook.

WordPress pre_get_posts hook allows us to change the query parameter of WP_Query before starting query posts. In this tutorial, we will introduce how to use it.

WordPress WP_Query Class allows us to query posts by different query condtions. In this tutorial, we will use some examples to show you how to this class to query posts.

WordPress supports shortcode, we can use shortcode to improve the function of our theme. In this tutorial, we will introduce how to use shortcode in wordpress.