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Edit File: ajax.php

<?php function mediawhale_update_site_status_on_interval() { $nonce = $_POST['nonce']; if ( ! wp_verify_nonce( $nonce, 'mediawhalesiteconnection' ) ) { die( 'Nonce value cannot be verified.' ); } // The $_REQUEST contains all the data sent via ajax if ( isset($_REQUEST) ) { update_option('mediawhale_connection',sanitize_text_field($_POST['connection'])); } // Always die in functions echoing ajax content die(); } add_action( 'wp_ajax_mediawhale_update_site_status_on_interval', 'mediawhale_update_site_status_on_interval' ); // If you wanted to also use the function for non-logged in users (in a theme for example) add_action( 'wp_ajax_nopriv_mediawhale_update_site_status_on_interval', 'mediawhale_update_site_status_on_interval' );