WordPress Create Custom Capability

2 comments

1. You should first understand that WordPress user roles are simple as set of capabilities. That being said, since you said you are creating a plugin, I like to think you are no stranger to code and hence not afraid to code your solution rather than using another plugin for this.

   This code should help you create a new user role and add custom capability to it.

   <?php
   
   // create a new user role
   
   function wpeagles_example_role()
   {
       add_role(
           'example_role',
           'example Role',
           [
               // list of capabilities for this role
               'read'         => true,
               'edit_posts'   => true,
               'upload_files' => true,
           ]
       );
   }
   
   // add the example_role
   add_action('init', 'wpeagles_example_role');
   

   To add a custom capability to this user role use the code below:

   //adding custom capability
   <?php
   function wpeagles_example_role_caps()
   {
       // gets the example_role role object
       $role = get_role('example_role');
   
       // add a custom capability 
       // you can remove the 'edit_others-post' and add something else (your     own custom capability) which you can use in your code login along with the current_user_can( $capability ) hook.
       $role->add_cap('edit_others_posts', true);
   }
   
   // add example_role capabilities, priority must be after the initial role     definition
   add_action('init', 'wpeagles_example_role_caps', 11);
   

   Futher reference: https://developer.wordpress.org/plugins/users/roles-and-capabilities/

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2. You can create custom roles and capabilities by plugin. Two options available there by custom code or you can use existing plugin.

   For Custom code:
   https://wordpress.stackexchange.com/questions/35165/how-do-i-create-a-custom-role-capability

   Using existing plugin:
   User Roles and Capabilities

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