Title: Error following PHP upgrade
Last modified: August 30, 2016

---

# Error following PHP upgrade

 *  Resolved [Ate Up With Motor](https://wordpress.org/support/users/ate-up-with-motor/)
 * (@ate-up-with-motor)
 * [10 years, 9 months ago](https://wordpress.org/support/topic/error-following-php-upgrade/)
 * I’ve been using this plugin for several years with good results until tonight.
   Earlier this evening, my web host prompted me to upgrade from PHP 5.3 to 5.6.
   Once I did that, the plugin began returning the following error messages in the
   administrator backend:
 *     ```
       Warning: mysql_query(): No such file or directory in [redacted]/plugins/wp-memory-db-indicator/wp-memory-db-indicator.php on line 167
   
       Warning: mysql_query(): A link to the server could not be established in [redacted]/plugins/wp-memory-db-indicator/wp-memory-db-indicator.php on line 167
   
       Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in [redacted]/plugins/wp-memory-db-indicator/wp-memory-db-indicator.php on line 169
       ```
   
 * Is the plugin not compatible with newer versions of PHP or is something else 
   going on? How can I resolve this short of just deactivating the plugin? I can
   downgrade temporarily, but by January, my host will remove support for older 
   versions of PHP.
 * Thanks!
 * [https://wordpress.org/plugins/wp-memory-db-indicator/](https://wordpress.org/plugins/wp-memory-db-indicator/)

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [slangji](https://wordpress.org/support/users/slangji/)
 * (@slangji)
 * [10 years, 9 months ago](https://wordpress.org/support/topic/error-following-php-upgrade/#post-6501563)
 * WordPress is a miracle that is compatible with PHP 5.4+ [https://wordpress.org/about/requirements/](https://wordpress.org/about/requirements/)

Viewing 1 replies (of 1 total)

The topic ‘Error following PHP upgrade’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/wp-memory-db-indicator_614636.svg)
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## Tags

 * [php](https://wordpress.org/support/topic-tag/php/)
 * [server-error](https://wordpress.org/support/topic-tag/server-error/)

 * 1 reply
 * 2 participants
 * Last reply from: [slangji](https://wordpress.org/support/users/slangji/)
 * Last activity: [10 years, 9 months ago](https://wordpress.org/support/topic/error-following-php-upgrade/#post-6501563)
 * Status: resolved