failed with status 400 and response 0 When you make a request to admin-ajax.php you need to pass an action parameter, which here is upload_pdf. If nothing on the PHP side handles this then admin-ajax.php will return a 0 and a HTTP status of 400. Essentially, WordPress is saying it has no idea what you’re … Read more
Your query doesn’t know anything about which posts you’ve already displayed. All it knows is that the second page of a 4 posts per page query is logically going to be posts 5-8. If you want to get a specific range of posts you should use offset instead of paged: $args = [ ‘offset’. => … Read more
The problem here is how PHP works. Once the server is done processing the GET request for a page, everything related to that request (i.e. values stored in global variables) is cleared and are lost. What you need to is to keep track of, one way or the other, the month index in the front … Read more
Help with creating commenting system using PHP, jQuery and AJAX
Help with uploading file with AJAX and PHP
You need to pass the variables to the template using the 3rd parameter of get_template_part: get_template_part( string $slug, string|null $name = null, array $args = array() ): void|false https://developer.wordpress.org/reference/functions/get_template_part/ For example: https://developer.wordpress.org/reference/functions/get_template_part/#comment-4130 Note: This was added in WordPress v5.5
Applying a custom query for the AJAX “us_ajax_grid” function (from WPBakery)
How to show custom fields in modal in category page
There are many problems here. Resolving one leads to another. Uncaught ReferenceError: response is not defined In your JavaScript code, you set the success key to a function function (data) { $(“#result”).html(response); } response is not defined. The callback has a function parameter of data, not response. This causes the error. .html(…) sets the HTML … Read more
Here a screenshot of the log, it is more precise.