Take a look at get_previous_post() and get_next_post() and you’ll see they both use the get_adjacent_post() to find the previous or next post. Let’s say you want to fetch the ID of the immediately previous post based on the current post’s ID. This is what you’d do: function get_previous_post_id( $post_id ) { // Get a global … Read more
TL;DR There is no JavaScript API in the WordPress core and no one is planned, but actually, there is no need of it. Backend First of all let’s say that, regarding the backend, some useful information can be fetched from already present JavaScript global variables (WordPress loves all global flavors). E.g. ajaxurl for the admin-ajax.php … Read more
I know this is old, this looks exactly what I need, but isn’t working ATM. I paste everything on functions.php for a reason. ONE: Category Loop for theme file: Printed it with a shortcode, because i’m using bakery I wan’t to put it in an specific place in the site. This is Working fine. <?php … Read more
In a previous tinymce plugin I made – I set up a custom ajax transport so I could just use the blob right from the image src of a remote img instead of base64 on a data attribute, and then used the REST API to upload the image to the media library in js. Base64 … Read more
Specifically AVOID using “hashbang” (“!#”) in order to make AJAX powered WordPress sites crawlable. You really don’t want to use the “hashbang” method on a WordPress site. The “!#” is more like a hacky patch for sites that cannot provide a static analog to it’s AJAX version. Its use in general is not recommended by … Read more
WP Ajax runs both public as well as closed calls via admin.php. This means that you don’t have access to the whole wp environment, such as do_shortcode(), which is inside /wp-includes/shortcodes.php. This still can get worked around (and as well for oEmbed). See the following example that you could use in your AJAX callback to … Read more
First off, this is very borderline within the scope of WPSE, it at all. Apart from the shortcode to trigger the initial HTML output, this is really just AJAX. Anyhow, that being said, this is how it’s done: The PHP Assuming that the above PHP snippet you supplied is functional, place the following in a … Read more
If you do not die, execution will continue and might generate extra output which might break whatever information you are trying to send from the server to the browser. Strictly speaking, you might not need to die, but there is very little point in taking the risk. In more general terms, WordPress Ajax shows its … Read more
Uploading files in ajax is a bit tricky because it is not possible to upload files using the browser’s XMLHttpRequest object so you need to use some kind of Ajax upload plugin and the easiest one would be the the JQuery Form Plugin which makes things much easier and it’s included in WordPress. So to … Read more
you can use FormData an example: let form_data = new FormData; form_data.append(‘action’, ‘myAction’); form_data.append(‘first_name’, ‘my first name’); form_data.append(‘phone’, ‘my phone’); axios.post(myVars.ajax_url, form_data).then(function(response){ console.log(response.data); })