wp_ajax_nopriv_menu_quick_search

src/wp-admin/includes/ajax-actions.php

@@ -11,6 +11,29 @@
 // No-privilege Ajax handlers.
 //
 
+/**
+ * Filters menu quick search to only search post titles.
+ *
+ * Modifies the search query for the menu quick search AJAX action
+ * to search only in post_title column for a better UX
+ */
+function wp_ajax_nopriv_menu_quick_search($args) {
+  if (isset($_POST['action']) && $_POST['action'] === 'menu-quick-search') {
+    add_filter('posts_search', function ($search, $query) {
+      global $wpdb;
+
+      if (!empty($search) && isset($query->query_vars['s'])) {
+        $search = $wpdb->prepare(" AND {$wpdb->posts}.post_title LIKE %s ", '%' . $wpdb->esc_like($query->query_vars['s']) . '%');
+      }
+
+      return $search;
+    }, 10, 2);
+  }
+
+  return $args;
+}
+add_action('wp_ajax_menu-quick-search', 'wp_ajax_nopriv_menu_quick_search');
+
 /**
  * Handles the Heartbeat API in the no-privilege context via AJAX .
  *