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|
--TEST--
Bug #29493 (extract(EXTR_REFS) fails if array has multiple referrals)
--FILE--
<?php
function t1()
{
$a = array('foo' => 'aaa');
// refcount($a) = 1
// refcount($a['foo']) = 1
$b = $a;
// refcount($a) = 2
// refcount($a['foo']) = 1
$b['foo'] = 'bbb';
// refcount($a) = 1
// refcount($a['foo']) = 1
var_dump($a, $b);
extract($a, EXTR_REFS);
$foo = 'noo';
var_dump($a, $b);
}
function t2()
{
$a = array('foo' => 'aaa');
// refcount($a) = 1
// refcount($a['foo']) = 1
$b = &$a;
// refcount($a) = 2
// is_ref($a) = true
// refcount($a['foo']) = 1
$b['foo'] = 'bbb';
// refcount($a) = 2
// refcount($a['foo']) = 1
var_dump($a, $b);
extract($a, EXTR_REFS);
$foo = 'noo';
var_dump($a, $b);
}
function t3()
{
$a = array('foo' => 'aaa');
// refcount($a) = 1
// refcount($a['foo']) = 1
$b = &$a;
// refcount($a) = 2
// is_ref($a) = true
// refcount($a['foo']) = 1
unset($b);
// refcount($a) = 1
// is_ref($a) = true
// refcount($a['foo']) = 1
var_dump($a);
extract($a, EXTR_REFS);
$foo = 'noo';
var_dump($a);
}
t1();
t2();
t3();
?>
--EXPECT--
array(1) {
["foo"]=>
string(3) "aaa"
}
array(1) {
["foo"]=>
string(3) "bbb"
}
array(1) {
["foo"]=>
&string(3) "noo"
}
array(1) {
["foo"]=>
string(3) "bbb"
}
array(1) {
["foo"]=>
string(3) "bbb"
}
array(1) {
["foo"]=>
string(3) "bbb"
}
array(1) {
["foo"]=>
&string(3) "noo"
}
array(1) {
["foo"]=>
&string(3) "noo"
}
array(1) {
["foo"]=>
string(3) "aaa"
}
array(1) {
["foo"]=>
&string(3) "noo"
}
|
