Ticket #43360: 43360.patch

option.php

@@ -25 +25 @@
  *
  * @param string $option  Name of option to retrieve. Expected to not be SQL-escaped.
  * @param mixed  $default Optional. Default value to return if the option does not exist.
+ * @param bool  $return_null Optional. Return default value if the option exist with empty string, empty array or null value.
  * @return mixed Value set for the option.
  */
-function get_option( $option, $default = false ) {
+function get_option( $option, $default = false, $return_null = true ) {
         global $wpdb;
 
         $option = trim( $option );
@@ -136 +137 @@
                 $value = untrailingslashit( $value );
         }
 
+        if(empty($value) && false === $return_null)
+                $value = $default;
         /**
          * Filters the value of an existing option.
          *