1/21/2024 0 Comments Admin enqueue javascript![]() For outputting something back you simply echo something. Inside your hooked function you can access data passed from Javascript by referencing the $_POST array. If you want to run AJAX requests in frontend for non-logged-in users you can also hook onto wp_ajax_nopriv_. More on that below.įor handling AJAX requests in PHP you hook onto the action wp_ajax_. But for frontend requests it gets a bit more complicated because you need to provide the AJAX URL manually along with your Javascript. Because AJAX is already built into WordPress administration screens you can simply use the global variable ajaxurl. When it comes to answering question 1 above: what URL you should send your AJAX request to? This differs depending on if your script is enqueued in admin or frontend. But it also defines part of the hook name you will need to hook onto in PHP for handling the AJAX request. ![]() This action is what tells WordPress how to route the AJAX request. The value of the ‘ action‘ property is a string that can be (almost) anything you want. In the object you need to provide as minimum one property ‘ action‘. Posting AJAX in WordPress requires you to pass a Javascript object variable as data to the request. Most likely you already have a script set up where you just need the part of sending or requesting something from WordPress. It should be enqueued by using a valid method of adding scripts to WordPress, either frontend or backend. The first thing you need is, obviously, the javascript where you want to send AJAX request. Let’s dive right in! The basics of performing AJAX request in WordPress In WordPress you can perform AJAX requests in admin and/or frontend the process is the same with a few differences in answering the above questions. Making sure your AJAX requests are secure.How to actually catch the AJAX request in PHP, fetch its data and send something back.Which URL you should send your AJAX requests to in your Javascript.You might be wondering about the following questions: Most of you are probably familiar with performing AJAX requests outside WordPress, and want to look into how to go about doing it in WordPress. In this post we’ll dive into how to properly use AJAX in WordPress. AJAX is a technique you can use in Javascript for fetching data from server and updating the contents of your page without reloading it in your browser.
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