1--TEST-- 2Bug #25708 (extract($GLOBALS, EXTR_REFS) mangles $GLOBALS) 3--FILE-- 4<?php 5function foo($ref, $alt) { 6 unset($GLOBALS['a']); 7 unset($GLOBALS['b']); 8 $GLOBALS['a'] = 1; 9 $GLOBALS['b'] = 2; 10 11 $org_a = $GLOBALS['a']; 12 $org_b = $GLOBALS['b']; 13 14 if ($ref) { 15 global $a, $b; 16 } else { 17 /* zval temp_var(NULL); // refcount = 1 18 * a = temp_var[x] // refcount = 2 19 */ 20 $a = NULL; 21 $b = NULL; 22 } 23 24 debug_zval_dump($a, $b, $GLOBALS['a'], $GLOBALS['b']); 25 echo "--\n"; 26 if ($alt) { 27 $a = &$GLOBALS['a']; 28 $b = &$GLOBALS['b']; 29 } else { 30 extract($GLOBALS, EXTR_REFS); 31 } 32 debug_zval_dump($a, $b, $GLOBALS['a'], $GLOBALS['b']); 33 echo "--\n"; 34 $a = &$GLOBALS['a']; 35 $b = &$GLOBALS['b']; 36 debug_zval_dump($a, $b, $GLOBALS['a'], $GLOBALS['b']); 37 echo "--\n"; 38 $GLOBALS['b'] = 3; 39 debug_zval_dump($a, $b, $GLOBALS['a'], $GLOBALS['b']); 40 echo "--\n"; 41 $a = 4; 42 debug_zval_dump($a, $b, $GLOBALS['a'], $GLOBALS['b']); 43 echo "--\n"; 44 $c = $b; 45 debug_zval_dump($b, $GLOBALS['b'], $c); 46 echo "--\n"; 47 $b = 'x'; 48 debug_zval_dump($a, $b, $GLOBALS['a'], $GLOBALS['b'], $c); 49 echo "--\n"; 50 debug_zval_dump($org_a, $org_b); 51 echo "----"; 52 if ($ref) echo 'r'; 53 if ($alt) echo 'a'; 54 echo "\n"; 55} 56 57$a = 'ok'; 58$b = 'ok'; 59$_a = $a; 60$_b = $b; 61 62foo(false, true); 63foo(true, true); 64foo(false, false); 65foo(true, false); 66 67debug_zval_dump($_a, $_b); 68?> 69--EXPECTF-- 70NULL 71NULL 72int(1) 73int(2) 74-- 75int(1) 76int(2) 77int(1) 78int(2) 79-- 80int(1) 81int(2) 82int(1) 83int(2) 84-- 85int(1) 86int(3) 87int(1) 88int(3) 89-- 90int(4) 91int(3) 92int(4) 93int(3) 94-- 95int(3) 96int(3) 97int(3) 98-- 99int(4) 100string(1) "x" refcount(%d) 101int(4) 102string(1) "x" refcount(%d) 103int(3) 104-- 105int(1) 106int(2) 107----a 108int(1) 109int(2) 110int(1) 111int(2) 112-- 113int(1) 114int(2) 115int(1) 116int(2) 117-- 118int(1) 119int(2) 120int(1) 121int(2) 122-- 123int(1) 124int(3) 125int(1) 126int(3) 127-- 128int(4) 129int(3) 130int(4) 131int(3) 132-- 133int(3) 134int(3) 135int(3) 136-- 137int(4) 138string(1) "x" refcount(%d) 139int(4) 140string(1) "x" refcount(%d) 141int(3) 142-- 143int(1) 144int(2) 145----ra 146NULL 147NULL 148int(1) 149int(2) 150-- 151int(1) 152int(2) 153int(1) 154int(2) 155-- 156int(1) 157int(2) 158int(1) 159int(2) 160-- 161int(1) 162int(3) 163int(1) 164int(3) 165-- 166int(4) 167int(3) 168int(4) 169int(3) 170-- 171int(3) 172int(3) 173int(3) 174-- 175int(4) 176string(1) "x" refcount(%d) 177int(4) 178string(1) "x" refcount(%d) 179int(3) 180-- 181int(1) 182int(2) 183---- 184int(1) 185int(2) 186int(1) 187int(2) 188-- 189int(1) 190int(2) 191int(1) 192int(2) 193-- 194int(1) 195int(2) 196int(1) 197int(2) 198-- 199int(1) 200int(3) 201int(1) 202int(3) 203-- 204int(4) 205int(3) 206int(4) 207int(3) 208-- 209int(3) 210int(3) 211int(3) 212-- 213int(4) 214string(1) "x" refcount(%d) 215int(4) 216string(1) "x" refcount(%d) 217int(3) 218-- 219int(1) 220int(2) 221----r 222string(2) "ok" refcount(%d) 223string(2) "ok" refcount(%d) 224
