Don't show 'Name' or 'Email' columns to non-faculty/staff on Dashboar…

…d > Users.

See #3280.

wp-content/plugins/wds-citytech/includes/group-blogs.php

@@ -2092,6 +2092,34 @@ function( $retval, $col, $user_id ) {
 	3
 );
 
+/**
+ * Remove columns that should not be visible to the current user.
+ *
+ * @param array $cols Columns.
+ * @return array
+ */
+add_filter(
+	'manage_users_columns',
+	function( $cols ) {
+		if ( is_super_admin() ) {
+			return $cols;
+		}
+
+		// 'faculty' and 'staff' can see all columns.
+		$user_type = openlab_get_user_member_type( get_current_user_id() );
+		if ( in_array( $user_type, [ 'faculty', 'staff' ], true ) ) {
+			return $cols;
+		}
+
+		// Remove the 'name' and 'email' columns.
+		unset( $cols['name'] );
+		unset( $cols['email'] );
+
+		return $cols;
+	},
+	100
+);
+
 /**
  * Hide private comments even after the plugin is deactivated.
  *