AJAX enables tasks such as fetching, inserting and deleting records from a MySQL database, as well as file uploading. AJAX sent URL should be admin-ajax.php. wp_ajax action hooks. Here are well-explained tutorials from Yogesh Singh on how to send AJAX requests from a WordPress theme and a WordPress plugin:
From September 30, 2021, WordPress websites that use Let’s Encrypt certificates are having issues with HTTP API requests. For example, here is an example that will cause this error: $res = wp_remote_get( ‘https://abcdef.com/’ ); if( is_wp_error( $res ) ){ echo $res->get_error_message(); } the error message: cURL error 60: SSL certificate problem: certificate has expired What causes this error? … Read full article →
Here are a few ways you can change the active theme in WordPress: Using WP Dashboard Using the WordPress Administration Screens: You can change the active theme by going to the “Appearance” -> “Themes” page in the WordPress Administration Screens and selecting a new theme. Using functions.php or a custom plugin Using the wp_set_theme function: … Read full article →
To display the number of total views for all posts inside a WordPress category the simplest solution is to count the page views of each post, and then call the post views on the category page. Open the functions.php file of the current template and add the following code: And to display the number of … Read full article →
Even when the user name and password are typed correctly, WordPress will sometimes refresh the page and redirect the user or administrator back to the login screen. In this article, you will learn how to fix WordPress admin login page refreshing and redirecting issues. The WordPress login page redirecting back to the login page problem can occur … Read full article →
When installing new plugins the error is displayed: Installation failed: Could not create directory. How to fix the Installation failed: Could not create directory. error OPTION 1: Change File permissions This error usually occurs because WordPress doesn’t have writing permissions for the folder. To make sure this is the case, navigate to Tools > Site … Read full article →
Here is a simple WordPress plugin that uses the [site] shortcode to display the website name: It uses the get_bloginfo() function to retrieve website information, and do_shortcode() function to display the information in the WordPress post or page. We can use get_bloginfo() function to also display additional information such as URL, WordPress version, etc. Here … Read full article →
Here is a simple code snippet that you can add to your theme functions.php file to show the “last updated” date in your posts. A new line will be added to the beginning of the post content if the last modified and published time is different:
Instruction: Parameter PARAMETER TYPE DESCRIPTION DEFAULT REQUIRED $format string Output can be PHP date format or Unix timestamp. no yes $date string mysql2date() only recognizes “Ymd H:i:s” format, so the original timestamp string needs to be converted to this format. no yes $translate boolean If true, the specified date and format string will be passed … Read full article →
wp_postmeta table should be the biggest table in your database, if not, there is a problem. Read wp_actionscheduler_actions & wp_actionscheduler_logs tables When you install WordPress for the first time, tables are created in the database, for example for the wp_postmeta table: the problem? solution: On an existing tables, We can add high-performance keys that match … Read full article →