add_submenu_page() issue

  • I am trying to add a Menu in WordPress Admin Panel. I am using below code.

    This code is working.

    
add_submenu_page('weather_info', 'Weather Information', 'Weathers', 'manage_options', 'weathers', [$this, 'weathers']);

    But below code is not working. I am facing error Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'edit.php?post_type=weather' not found or invalid function name .

    
add_submenu_page('weather_info', 'Weather Information', 'Weathers', 'manage_options', 'weathers', 'edit.php?post_type=weather');
    • This topic was modified 2 years, 5 months ago by t-p. Reason: Moved to Fixing WordPress from Developing with WordPress
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  • In your second example that’s not owrking, you have not given it a function to execute. You have changed that to ‘edit.php?post_type=weather’ and WordPress/PHP can’t execute that as a function.

    Look at your first example and you will see what it’s meant to look like.

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