Check if the administrator has logged into WordPress

3 comments

1. try

   global $current_user;
   $user = get_userdata($current_user->ID);
   
   $userRole = (!empty($user->roles) ? $user->roles : '');
   if(in_array('administrator', $userRole)) {
        // do your stuff
   }
   

   or you can try :- http://codex.wordpress.org/Function_Reference/current_user_can

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2. You can use very neat WordPress function to determine the user capabilities, it is called current_user_can():

   <?php
if ( current_user_can('update_core') ) {
echo 'The current user is Administrator or Super administrator (in Multisite)';
}

   Only Administrators of single site installations have the below list of capabilities. In Multi-site, only the Super Admin has these abilities:

   update_core 
   update_plugins 
   update_themes 
   install_plugins 
   install_themes 
   delete_themes 
   edit_plugins 
   edit_themes 
   edit_users 
   create_users 
   delete_users 
   unfiltered_html
   

   See here for more information.

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3. We can add some custom action inside the filter hook login_redirect. If the form was not submitted, the $user param is a WP_Error Object.

   add_filter( 'login_redirect', function( $redirect_to, $requested_redirect_to, $user )
   {
       if( !is_wp_error( $user ) && in_array( 'administrator', $user->roles ) )
       {
           # Do your thing; here just inspecting the WP_User Object
           wp_die( 
               sprintf( '<pre>%s</pre>', print_r( $user, true ) ),
               'Var dump',
               array( 
                   'response' => 500, 
                   'back_link' => true 
               )
           );
       }
   
       return $redirect_to;
   }, 10, 3 );
   

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