We can use add_filter on the_content() to control the output of wordpress post content, which is very useful if you plan to change the output of post. In this tutorial, we will introduce how to do.
We often upload images to wordpress site as attachments, we can add caption, description, alt text for it. In this tutorial, we will introduce how to get its caption, description, alt text, size and url information.
WordPress has defined some constant variables for file url and absolute path in web server, these constant variables are very useful to create a wordpress theme and plugin. In this tutorial, we will introduce some common used constant variables for beginners.
When we are developing a wordpress theme or plugin, we have to get some wordpress path information. such as the absolute path of wordpress theme, plugin, style file or home url. In this tutoral, we will introduce some wordpress path functions to get these path or url information.
We often use Autopimize and W3 Total Cache plugins to optimize our wordpress site, however, you may find error that they can not write cache folder. We will tell you how to fix this error in this tutorial.
When we are designing a site theme, we often need to display images row by row, however, each image may have different width and height, how to display them in the center of a div horizontally and vertically? In this tutorial, we will tell you how to do.
WordPress tinymce editor has not added table button on toolbar, which make it is hard to insert table when writing. In this tutorial, we will introduce you how to add a table button to create tables when writing withou downloading any wordpress plugins.
AMP (Accelerated Mobile Pages) is an open source project to accelerate mobile pages. It is very useful to sites, the main traffic of which is from mobile device. In this tutorial, we will introduce some basic features of wordpress amp.
404 page is displayed when your site can not find a file in your site. Using a user-friendly 404 page can improve our site traffic. In this tutorial, we will introduce how to set up a custom 404 page for your site using .htaccess file.
To improve the effect of our website seo, we often should redirect non-www URLs to www or www URLs to non-www. If you are using .htaccess, you can read this tutorial to learn how to edit this file to redirect urls.