1--TEST-- 2Bug #68652 (segmentation fault in destructor) 3--FILE-- 4<?php 5class Foo { 6 7 private static $instance; 8 public static function getInstance() { 9 if (isset(self::$instance)) { 10 return self::$instance; 11 } 12 return self::$instance = new self(); 13 } 14 15 public function __destruct() { 16 Bar::getInstance(); 17 } 18} 19 20class Bar { 21 22 private static $instance; 23 public static function getInstance() { 24 if (isset(self::$instance)) { 25 return self::$instance; 26 } 27 return self::$instance = new self(); 28 } 29 30 public function __destruct() { 31 if (!isset(self::$instance)) return; 32 Foo::getInstance(); 33 } 34} 35 36 37$foo = new Foo(); 38?> 39OK 40--EXPECT-- 41OK 42