Title: PHP Warning
Last modified: September 21, 2022

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# PHP Warning

 *  [clementrectangle](https://wordpress.org/support/users/clementrectangle/)
 * (@clementrectangle)
 * [3 years, 8 months ago](https://wordpress.org/support/topic/php-warning-371/)
 * Hi !
 * I get this PHP Warning when regenerating the WP Rocket cache, and it seems to
   cause problems with the caching :
 * PHP Warning: call_user_func_array() expects parameter 1 to be a valid callback,
   class ‘Wp_Menu_Caching_Admin’ does not have a method ‘dc_purge_all_menu_html_transients’
   in /var/www/quaisud/wp-includes/class-wp-hook.php on line 309
 * Could you fix it please ?
    Thanks !

The topic ‘PHP Warning’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [clementrectangle](https://wordpress.org/support/users/clementrectangle/)
 * Last activity: [3 years, 8 months ago](https://wordpress.org/support/topic/php-warning-371/)
 * Status: not resolved