Ticket #31304: 31304.diff

wp-includes/capabilities.php

@@ -1517 +1517 @@
 }
 
 /**
+ * Check if role exists.
+ *
+ * @see get_role() Uses function to retrieve role object.
+ * @since 4.2.0
+ *
+ * @param string $role Role name.
+ * @return boolean True if role exists, false if it does not or no role name is supplied.
+ */
+function role_exists( $role = '' ) {
+
+        if( $role ) {
+
+                $role_object = get_role( $role );
+
+                if( ! is_null( $role_object ) ) {
+                        return true;
+                }
+
+        }
+
+        return false;
+}
+
+/**
  * Retrieve a list of super admins.
  *
  * @since 3.0.0