1--TEST-- 2Bug #22510 (segfault among complex references) 3--FILE-- 4<?php 5 6#[AllowDynamicProperties] 7class foo 8{ 9 public $list = array(); 10 11 function finalize() { 12 print __CLASS__."::".__FUNCTION__."\n"; 13 $cl = &$this->list; 14 } 15 16 function &method1() { 17 print __CLASS__."::".__FUNCTION__."\n"; 18 return @$this->foo; 19 } 20 21 function &method2() { 22 print __CLASS__."::".__FUNCTION__."\n"; 23 return $this->foo; 24 } 25 26 function method3() { 27 print __CLASS__."::".__FUNCTION__."\n"; 28 return @$this->foo; 29 } 30} 31 32class bar 33{ 34 public $instance; 35 36 function run1() { 37 print __CLASS__."::".__FUNCTION__."\n"; 38 $this->instance = new foo(); 39 $this->instance->method1($this); 40 $this->instance->method1($this); 41 } 42 43 function run2() { 44 print __CLASS__."::".__FUNCTION__."\n"; 45 $this->instance = new foo(); 46 $this->instance->method2($this); 47 $this->instance->method2($this); 48 } 49 50 function run3() { 51 print __CLASS__."::".__FUNCTION__."\n"; 52 $this->instance = new foo(); 53 $this->instance->method3($this); 54 $this->instance->method3($this); 55 } 56} 57 58function ouch(&$bar) { 59 print __FUNCTION__."\n"; 60 @$a = $a; 61 $bar->run1(); 62} 63 64function ok1(&$bar) { 65 print __FUNCTION__."\n"; 66 $bar->run1(); 67} 68 69function ok2(&$bar) { 70 print __FUNCTION__."\n"; 71 @$a = $a; 72 $bar->run2(); 73} 74 75function ok3(&$bar) { 76 print __FUNCTION__."\n"; 77 @$a = $a; 78 $bar->run3(); 79} 80 81$foo = new bar(); 82$bar =& $foo; 83ok1($bar); 84$bar->instance->finalize(); 85print "done!\n"; 86ok2($bar); 87$bar->instance->finalize(); 88print "done!\n"; 89ok3($bar); 90$bar->instance->finalize(); 91print "done!\n"; 92ouch($bar); 93$bar->instance->finalize(); 94print "I'm alive!\n"; 95?> 96--EXPECTF-- 97ok1 98bar::run1 99foo::method1 100 101Notice: Only variable references should be returned by reference in %s on line %d 102foo::method1 103 104Notice: Only variable references should be returned by reference in %s on line %d 105foo::finalize 106done! 107ok2 108bar::run2 109foo::method2 110foo::method2 111foo::finalize 112done! 113ok3 114bar::run3 115foo::method3 116foo::method3 117foo::finalize 118done! 119ouch 120bar::run1 121foo::method1 122 123Notice: Only variable references should be returned by reference in %s on line %d 124foo::method1 125 126Notice: Only variable references should be returned by reference in %s on line %d 127foo::finalize 128I'm alive! 129
