1--TEST-- 2Ensure foreach splits the iterated entity from its cow reference set, for all sorts of iterated entities. 3--FILE-- 4<?php 5 error_reporting(E_ALL & ~E_STRICT); 6 7 echo "\n" . '$a' . "\n"; 8 $b = $a = array('original'); 9 foreach($a as $k=>&$v) { 10 $v = 'changed'; 11 } 12 var_dump($b); 13 unset($a, $b); 14 15 echo "\n" . '${\'a\'}' . "\n"; 16 $b = $a = array('original'); 17 foreach(${'a'} as $k=>&$v) { 18 $v = 'changed'; 19 } 20 var_dump($b); 21 unset($a, $b); 22 23 echo "\n" . '$$a' . "\n"; 24 $a = 'blah'; 25 $$a = array('original'); 26 $b = $$a; 27 foreach($$a as $k=>&$v) { 28 $v = 'changed'; 29 } 30 var_dump($b); 31 unset($a, $b); 32 33 echo "\n" . '$a[0]' . "\n"; 34 $b = $a[0] = array('original'); 35 foreach($a[0] as $k=>&$v) { 36 $v = 'changed'; 37 } 38 var_dump($b); 39 unset($a, $b); 40 41 echo "\n" . '$a[0][0]' . "\n"; 42 $b = $a[0][0] = array('original'); 43 foreach($a[0][0] as $k=>&$v) { 44 $v = 'changed'; 45 } 46 var_dump($b); 47 unset($a, $b); 48 49 echo "\n" . '$a->b' . "\n"; 50 $b = $a->b = array('original'); 51 foreach($a->b as $k=>&$v) { 52 $v = 'changed'; 53 } 54 var_dump($b); 55 unset($a, $b); 56 57 echo "\n" . '$a->b->c' . "\n"; 58 $b = $a->b->c = array('original'); 59 foreach($a->b as $k=>&$v) { 60 $v = 'changed'; 61 } 62 var_dump($b); 63 unset($a, $b); 64 65 echo "\n" . '$a->b[0]' . "\n"; 66 $b = $a->b[0] = array('original'); 67 foreach($a->b[0] as $k=>&$v) { 68 $v = 'changed'; 69 } 70 var_dump($b); 71 unset($a, $b); 72 73 echo "\n" . '$a->b[0][0]' . "\n"; 74 $b = $a->b[0][0] = array('original'); 75 foreach($a->b[0][0] as $k=>&$v) { 76 $v = 'changed'; 77 } 78 var_dump($b); 79 unset($a, $b); 80 81 echo "\n" . '$a->b[0]->c' . "\n"; 82 $b = $a->b[0]->c = array('original'); 83 foreach($a->b[0]->c as $k=>&$v) { 84 $v = 'changed'; 85 } 86 var_dump($b); 87 unset($a, $b); 88 89 class C { 90 public static $a; 91 } 92 93 echo "\n" . 'C::$a' . "\n"; 94 C::$a = array('original'); 95 $b = C::$a; 96 foreach(C::$a as $k=>&$v) { 97 $v = 'changed'; 98 } 99 var_dump($b); 100 unset($a, $b); 101 102 echo "\n" . 'C::$a[0]' . "\n"; 103 C::$a[0] = array('original'); 104 $b = C::$a[0]; 105 foreach(C::$a[0] as $k=>&$v) { 106 $v = 'changed'; 107 } 108 var_dump($b); 109 unset(C::$a[0], $b); 110 111 echo "\n" . 'C::$a[0]->b' . "\n"; 112 C::$a[0]->b = array('original'); 113 $b = C::$a[0]->b; 114 foreach(C::$a[0]->b as $k=>&$v) { 115 $v = 'changed'; 116 } 117 var_dump($b); 118 unset(C::$a[0]->b, $b); 119?> 120--EXPECTF-- 121 122$a 123array(1) { 124 [0]=> 125 string(8) "original" 126} 127 128${'a'} 129array(1) { 130 [0]=> 131 string(8) "original" 132} 133 134$$a 135array(1) { 136 [0]=> 137 string(8) "original" 138} 139 140$a[0] 141array(1) { 142 [0]=> 143 string(8) "original" 144} 145 146$a[0][0] 147array(1) { 148 [0]=> 149 string(8) "original" 150} 151 152$a->b 153 154Warning: Creating default object from empty value in %s on line %d 155array(1) { 156 [0]=> 157 string(8) "original" 158} 159 160$a->b->c 161 162Warning: Creating default object from empty value in %s on line %d 163array(1) { 164 [0]=> 165 string(8) "original" 166} 167 168$a->b[0] 169array(1) { 170 [0]=> 171 string(8) "original" 172} 173 174$a->b[0][0] 175array(1) { 176 [0]=> 177 string(8) "original" 178} 179 180$a->b[0]->c 181 182Warning: Creating default object from empty value in %s on line %d 183array(1) { 184 [0]=> 185 string(8) "original" 186} 187 188C::$a 189array(1) { 190 [0]=> 191 string(8) "original" 192} 193 194C::$a[0] 195array(1) { 196 [0]=> 197 string(8) "original" 198} 199 200C::$a[0]->b 201 202Warning: Creating default object from empty value in %s on line %d 203array(1) { 204 [0]=> 205 string(8) "original" 206} 207
