@ 2013-05-21T20:49:56Z <?php
class Item {
public static function &newWithParent(Item &$parent)
{
$item = new Item();
$item->parent = &$parent;
return $item;
}
private $parent;
public function &getParent()
{
return $this->parent;
}
}
$item = Item::newWithParent(Item::newWithParent(Item::newWithParent(new Item())));
// Basically it's this now: {"parent":{"parent":{"parent":{"parent":null}}}}
// I want to set that null value
$list = $item;
var_dump($list);
do {
$item = $item->getParent();
if ($item->getParent() === null) {
var_dump($item);
$item = &Item::newWithParent($item);
var_dump($item);
break;
}
} while (true);
var_dump($list);
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Output for 7.0.12 - 7.0.20 , 7.1.0 - 7.1.25 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.31 , 7.4.0 - 7.4.25 , 7.4.27 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Notice: Only variables should be passed by reference in /in/h2l4d on line 19
object(Item)#4 (1) {
["parent":"Item":private]=>
object(Item)#3 (1) {
["parent":"Item":private]=>
object(Item)#2 (1) {
["parent":"Item":private]=>
object(Item)#1 (1) {
["parent":"Item":private]=>
NULL
}
}
}
}
object(Item)#1 (1) {
["parent":"Item":private]=>
NULL
}
object(Item)#5 (1) {
["parent":"Item":private]=>
object(Item)#1 (1) {
["parent":"Item":private]=>
NULL
}
}
object(Item)#4 (1) {
["parent":"Item":private]=>
object(Item)#3 (1) {
["parent":"Item":private]=>
object(Item)#2 (1) {
["parent":"Item":private]=>
object(Item)#1 (1) {
["parent":"Item":private]=>
NULL
}
}
}
}
Output for 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.24 - 5.5.35 , 5.6.8 - 5.6.28 , 7.0.0 - 7.0.6 , 7.3.32 - 7.3.33 , 7.4.26 object(Item)#4 (1) {
["parent":"Item":private]=>
object(Item)#3 (1) {
["parent":"Item":private]=>
object(Item)#2 (1) {
["parent":"Item":private]=>
object(Item)#1 (1) {
["parent":"Item":private]=>
NULL
}
}
}
}
object(Item)#1 (1) {
["parent":"Item":private]=>
NULL
}
object(Item)#5 (1) {
["parent":"Item":private]=>
object(Item)#1 (1) {
["parent":"Item":private]=>
NULL
}
}
object(Item)#4 (1) {
["parent":"Item":private]=>
object(Item)#3 (1) {
["parent":"Item":private]=>
object(Item)#2 (1) {
["parent":"Item":private]=>
object(Item)#1 (1) {
["parent":"Item":private]=>
NULL
}
}
}
}
Output for 5.2.1 - 5.2.17 object(Item)#4 (1) {
["parent:private"]=>
object(Item)#3 (1) {
["parent:private"]=>
object(Item)#2 (1) {
["parent:private"]=>
object(Item)#1 (1) {
["parent:private"]=>
NULL
}
}
}
}
object(Item)#1 (1) {
["parent:private"]=>
NULL
}
object(Item)#5 (1) {
["parent:private"]=>
object(Item)#1 (1) {
["parent:private"]=>
NULL
}
}
object(Item)#4 (1) {
["parent:private"]=>
object(Item)#3 (1) {
["parent:private"]=>
object(Item)#2 (1) {
["parent:private"]=>
object(Item)#1 (1) {
["parent:private"]=>
NULL
}
}
}
}
Output for 5.1.0 - 5.1.6 , 5.2.0 object(Item)#4 (1) {
["parent:private"]=>
object(Item)#3 (1) {
["parent:private"]=>
object(Item)#2 (1) {
["parent:private"]=>
object(Item)#1 (1) {
["parent:private"]=>
NULL
}
}
}
}
object(Item)#1 (1) {
["parent:private"]=>
NULL
}
object(Item)#5 (1) {
["parent:private"]=>
&object(Item)#1 (1) {
["parent:private"]=>
NULL
}
}
object(Item)#4 (1) {
["parent:private"]=>
object(Item)#3 (1) {
["parent:private"]=>
object(Item)#2 (1) {
["parent:private"]=>
object(Item)#1 (1) {
["parent:private"]=>
NULL
}
}
}
}
Output for 5.0.0 - 5.0.5 object(Item)#4 (1) {
["parent:private"]=>
object(Item)#3 (1) {
["parent:private"]=>
object(Item)#2 (1) {
["parent:private"]=>
object(Item)#1 (1) {
["parent:private"]=>
NULL
}
}
}
}
object(Item)#1 (1) {
["parent:private"]=>
&NULL
}
object(Item)#5 (1) {
["parent:private"]=>
&object(Item)#1 (1) {
["parent:private"]=>
&NULL
}
}
object(Item)#4 (1) {
["parent:private"]=>
&object(Item)#3 (1) {
["parent:private"]=>
&object(Item)#2 (1) {
["parent:private"]=>
&object(Item)#1 (1) {
["parent:private"]=>
&NULL
}
}
}
}
Output for 4.4.2 - 4.4.9 Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/h2l4d on line 4
Process exited with code 255 . Output for 4.3.0 - 4.3.1 , 4.3.5 - 4.3.11 , 4.4.0 - 4.4.1 Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/h2l4d on line 4
Process exited with code 255 . Output for 4.3.2 - 4.3.4 Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/h2l4d on line 4
Process exited with code 255 . preferences:dark mode live preview
255.45 ms | 401 KiB | 330 Q