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function my2_enqueue_scripts() { if (is_author()) { $author_id = get_the_author_meta('ID'); wp_enqueue_script('my-subscribe-script', get_template_directory_uri() . '/js/subscribe.js', array('jquery'), null, true); wp_localize_script('my-subscribe-script', 'SubscribeData', array( 'ajaxurl' => admin_url('admin-ajax.php'), 'authorId' => $author_id, )); } } add_action('wp_enqueue_scripts', 'my2_enqueue_scripts'); add_action('wp_ajax_subscribe_author', 'subscribe_authore'); function subscribe_author_2() { $user_id = get_current_user_id(); $author_id = $_POST['authorId']; $subscribed_authors = get_user_meta($user_id, 'sub_authors', true); if (!is_array($subscribed_authors)) { $subscribed_authors = array(); } if (!in_array($author_id, $subscribed_authors)) { $subscribed_authors[] = $author_id; update_user_meta($user_id, 'sub_authors', $subscribed_authors); wp_send_json_success(); } else { wp_send_json_error(); } } add_action('wp_ajax_unsubscribe_author', 'unsubscribe_authore'); function unsubscribe_author_2() { $user_id = get_current_user_id(); $author_id = $_POST['authorId']; $subscribed_authors = get_user_meta($user_id, 'sub_authors', true); if (!is_array($subscribed_authors)) { $subscribed_authors = array(); } if (($key = array_search($author_id, $subscribed_authors)) !== false) { unset($subscribed_authors[$key]); update_user_meta($user_id, 'sub_authors', $subscribed_authors); wp_send_json_success(); } else { wp_send_json_error(); } }