1--TEST-- 2Bug #31213 (Sideeffects caused by bug #29493) 3--FILE-- 4<?php 5function test($use_extract) { 6 $a = 1; 7 $b = 1; 8 9 $arr = array( 10 '_a' => $a, 11 '_b' => &$b 12 ); 13 14 var_dump($a, $b); 15 16 if ($use_extract) { 17 extract($arr, EXTR_REFS); 18 } else { 19 $_a = &$arr['_a']; 20 $_b = &$arr['_b']; 21 } 22 23 $_a++; 24 $_b++; 25 26 var_dump($a, $b, $_a, $_b, $arr); 27} 28 29test(false); 30test(true); 31 32?> 33--EXPECT-- 34int(1) 35int(1) 36int(1) 37int(2) 38int(2) 39int(2) 40array(2) { 41 ["_a"]=> 42 &int(2) 43 ["_b"]=> 44 &int(2) 45} 46int(1) 47int(1) 48int(1) 49int(2) 50int(2) 51int(2) 52array(2) { 53 ["_a"]=> 54 &int(2) 55 ["_b"]=> 56 &int(2) 57} 58
