ajax

Load More : Admin Ajax 400 Bad request, returning 0

You’re using an invalid Content-Type header. x-www-form-urlencoded isn’t a valid content-type. The correct content type is application/x-www-form-urlencoded. Essentially, the web server doesn’t know how to handle the content type you’re giving it to parse the parameters. This is why the request is failing with a 400 because WP is not getting anything in the POST … Read more

Object name undefined using localize script

I think it’s because you’re doing your localization in the shortcode which may be messing with the order of things. Instead do this: add_action( ‘wp_enqueue_scripts’, array( $this, ‘frontend_enqueue’ ) ); function frontend_enqueue() { wp_register_script( ‘my-handle’, plugins_url( ‘js/frontend.js’, __FILE__), array( ‘jquery’ ), ‘1.0.0’, true); wp_localize_script(‘my-handle’, ‘ajax_actions’, array( ‘ajaxurl’ => admin_url( ‘admin-ajax.php’ ) )); } Then… add_shortcode( … Read more

How does the security of admin_ajax.php work?

If you look at the source of admin-ajax.php, the answer becomes clearer: $action = $_REQUEST[‘action’]; if ( is_user_logged_in() ) { // If no action is registered, return a Bad Request response. if ( ! has_action( “wp_ajax_{$action}” ) ) { wp_die( ‘0’, 400 ); } /** * Fires authenticated Ajax actions for logged-in users. * * … Read more

admin-ajax.php 400 (Bad Request) what am I doing wrong?

You’re declaring the AJAX handler inside the shortcode handler. That’s not going to work: admin AJAX requests aren’t processed in the context of a page, so the shortcode won’t be run, so the handler won’t be set up. You’ll need to move the function definition and add_actions out to the top level, not inside wpcode_elementor_shortcode. … Read more

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