--TEST-- Bug #31213 (Sideeffects caused by bug #29493) --FILE-- <?php function test($use_extract) { $a = 1; $b = 1; $arr = array( '_a' => $a, '_b' => &$b ); var_dump($a, $b); if ($use_extract) { extract($arr, EXTR_REFS); } else { $_a = &$arr['_a']; $_b = &$arr['_b']; } $_a++; $_b++; var_dump($a, $b, $_a, $_b, $arr); } test(false); test(true); ?> --EXPECT-- int(1) int(1) int(1) int(2) int(2) int(2) array(2) { ["_a"]=> &int(2) ["_b"]=> &int(2) } int(1) int(1) int(1) int(2) int(2) int(2) array(2) { ["_a"]=> &int(2) ["_b"]=> &int(2) }