Title: Warning: usort() [function.usort]
Last modified: August 22, 2016

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# Warning: usort() [function.usort]

 *  [adonHI](https://wordpress.org/support/users/adonhi/)
 * (@adonhi)
 * [11 years, 5 months ago](https://wordpress.org/support/topic/warning-usort-functionusort/)
 * I get this message every time I try to save or update my site. How can I get 
   rid of this?
 * Warning: usort() [function.usort]: Array was modified by the user comparison 
   function in /home/content/17/6767117/html/wp-admin/includes/menu.php on line 
   299
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home/content/17/6767117/html/wp-admin/includes/menu.php:299) in /home/content/
   17/6767117/html/wp-includes/pluggable.php on line 1178

The topic ‘Warning: usort() [function.usort]’ is closed to new replies.

## Tags

 * [usort](https://wordpress.org/support/topic-tag/usort/)
 * [warning](https://wordpress.org/support/topic-tag/warning/)

 * 0 replies
 * 1 participant
 * Last reply from: [adonHI](https://wordpress.org/support/users/adonhi/)
 * Last activity: [11 years, 5 months ago](https://wordpress.org/support/topic/warning-usort-functionusort/)
 * Status: not resolved

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