Merge pull request #360 from BhargavBhandari90/issue-34

Support filtering for users without a role with `--role=none`

features/user-list.feature

@@ -26,3 +26,18 @@ Feature: List WordPress users
       """
       bobjones
       """
+
+  @require-wp-4.9
+  Scenario: List users without roles
+    Given a WP install
+    When I run `wp user create bili bili@example.com --porcelain`
+    Then save STDOUT as {USER_ID}
+
+    And I run `wp user create sally sally@example.com --role=editor`
+    And I run `wp user remove-role {USER_ID} subscriber`
+
+    When I run `wp user list --role=none --field=user_login`
+    Then STDOUT should be:
+      """
+      bili
+      """

src/User_Command.php

@@ -162,7 +162,17 @@ public function list_( $args, $assoc_args ) {
 
 		$assoc_args['count_total'] = false;
 		$assoc_args                = self::process_csv_arguments_to_arrays( $assoc_args );
-		$users                     = get_users( $assoc_args );
+
+		if ( ! empty( $assoc_args['role'] ) && 'none' === $assoc_args['role'] ) {
+			$norole_user_ids = wp_get_users_with_no_role();
+
+			if ( ! empty( $norole_user_ids ) ) {
+				$assoc_args['include'] = $norole_user_ids;
+				unset( $assoc_args['role'] );
+			}
+		}
+
+		$users = get_users( $assoc_args );
 
 		if ( 'ids' === $formatter->format ) {
 			echo implode( ' ', $users );