1--TEST-- 2json_encode() & endless loop - 1 3--SKIPIF-- 4<?php if (!extension_loaded("json")) print "skip"; ?> 5--FILE-- 6<?php 7 8$a = array(); 9$a[] = &$a; 10 11var_dump($a); 12var_dump(json_encode($a)); 13 14/* Break circular data structure to prevent memory leaks */ 15unset($a[0]); 16 17echo "Done\n"; 18?> 19--EXPECTF-- 20array(1) { 21 [0]=> 22 &array(1) { 23 [0]=> 24 *RECURSION* 25 } 26} 27 28Warning: json_encode(): recursion detected in %s on line %d 29string(8) "[[null]]" 30Done 31
