1--TEST-- 2GH-12223: Entity reference produces infinite loop in var_dump/print_r 3--EXTENSIONS-- 4simplexml 5--FILE-- 6<?php 7 8$xml = <<<XML 9<?xml version="1.0"?> 10<!DOCTYPE somedoc [ 11 <!ENTITY a "something"> 12 <!ENTITY b "&a;"> 13 <!ENTITY c "&b;"> 14]> 15<somedoc>&c;</somedoc> 16XML; 17 18$sxe = simplexml_load_string($xml); 19 20var_dump($sxe); 21print_r($sxe); 22 23?> 24--EXPECT-- 25object(SimpleXMLElement)#1 (1) { 26 ["c"]=> 27 object(SimpleXMLElement)#2 (1) { 28 ["c"]=> 29 object(SimpleXMLElement)#3 (1) { 30 ["b"]=> 31 object(SimpleXMLElement)#4 (1) { 32 ["b"]=> 33 object(SimpleXMLElement)#5 (1) { 34 ["a"]=> 35 object(SimpleXMLElement)#6 (1) { 36 ["a"]=> 37 string(9) "something" 38 } 39 } 40 } 41 } 42 } 43} 44SimpleXMLElement Object 45( 46 [c] => SimpleXMLElement Object 47 ( 48 [c] => SimpleXMLElement Object 49 ( 50 [b] => SimpleXMLElement Object 51 ( 52 [b] => SimpleXMLElement Object 53 ( 54 [a] => SimpleXMLElement Object 55 ( 56 [a] => something 57 ) 58 59 ) 60 61 ) 62 63 ) 64 65 ) 66 67) 68