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<?php class Item { public static function newWithParent(Item $parent) { $item = new Item(); $item->parent = $parent; return $item; } private $parent; public function getParent() { return $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 do { $item = $item->getParent(); if ($item->getParent() === null) { $item =& Item::newWithParent($item); break; } } while (true); var_dump($item);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: Undefined variable $parent in /in/kRiTG on line 15 Fatal error: Uncaught Error: Call to a member function getParent() on null in /in/kRiTG:24 Stack trace: #0 {main} thrown in /in/kRiTG on line 24
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: parent in /in/kRiTG on line 15 Fatal error: Uncaught Error: Call to a member function getParent() on null in /in/kRiTG:24 Stack trace: #0 {main} thrown in /in/kRiTG on line 24
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.26
Fatal error: Uncaught Error: Call to a member function getParent() on null in /in/kRiTG:24 Stack trace: #0 {main} thrown in /in/kRiTG on line 24
Process exited with code 255.
Output for 5.6.8 - 5.6.21
Notice: Undefined variable: parent in /in/kRiTG on line 15 Fatal error: Call to a member function getParent() on null in /in/kRiTG on line 24
Process exited with code 255.
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Notice: Undefined variable: parent in /in/kRiTG on line 15 Fatal error: Call to a member function getParent() on a non-object in /in/kRiTG on line 24
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: parent in /in/kRiTG on line 15 Fatal error: Call to a member function getParent() on a non-object in /in/kRiTG on line 24
Process exited with code 255.
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/kRiTG 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/kRiTG 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/kRiTG on line 4
Process exited with code 255.
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