1--TEST-- 2Cloning unconstructed numfmt 3--SKIPIF-- 4<?php if( !extension_loaded( 'intl' ) ) print 'skip'; ?> 5--FILE-- 6<?php 7 8class A extends NumberFormatter { 9 function __construct() {} 10} 11 12$a = new A; 13try { 14 $b = clone $a; 15} catch (Exception $e) { 16 var_dump($e->getMessage()); 17} 18--EXPECTF-- 19string(42) "Cannot clone unconstructed NumberFormatter" 20