Title: PHP Notice: Only variable references…
Last modified: August 20, 2016

---

# PHP Notice: Only variable references…

 *  [hexalys](https://wordpress.org/support/users/hexalys/)
 * (@hexalys)
 * [13 years, 1 month ago](https://wordpress.org/support/topic/php-notice-only-variable-references/)
 * Just reporting this as I see it in WP_DEBUG mode.
    Notice: Only variable references
   should be returned by reference in …/google-sitemap-generator/sitemap-core.php
   on line 42
 * Notices are no biggies, but I hate to see them. 🙂
 * [http://wordpress.org/extend/plugins/google-sitemap-generator/](http://wordpress.org/extend/plugins/google-sitemap-generator/)

The topic ‘PHP Notice: Only variable references…’ is closed to new replies.

 * ![](https://ps.w.org/google-sitemap-generator/assets/icon-256x256.png?rev=2713572)
 * [XML Sitemap Generator for Google](https://wordpress.org/plugins/google-sitemap-generator/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/google-sitemap-generator/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/google-sitemap-generator/)
 * [Active Topics](https://wordpress.org/support/plugin/google-sitemap-generator/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/google-sitemap-generator/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/google-sitemap-generator/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [hexalys](https://wordpress.org/support/users/hexalys/)
 * Last activity: [13 years, 1 month ago](https://wordpress.org/support/topic/php-notice-only-variable-references/)
 * Status: not resolved