Ticket #46570: 46570.diff

src/wp-includes/functions.php

@@ -528 +528 @@
                 case 'i':
                 case 'd':
                         $end = $strict ? '$' : '';
-                        return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data );
+                        return (bool) preg_match( "/^{$token}:[0-9.+E-]+;$end/", $data );
         }
         return false;
 }