WordPress

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Warning: call_user_func_array() expects parameter 1 to be a valid callback…

Warning: call_user_func_array() expects parameter 1 to be a valid callback This is a recurring error when dealing with actions/filter in WordPress. The full warning message is actually : Warning: call_user_func_array() expects parameter 1 to be a valid callback array must have exactly two members in…/wp-includes/plugin.php on line 214   In my […]