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<?php function GetValue(&$obj, $defaultValue = null) { return isset($obj) ? $obj : $defaultValue; } class foo { public $bar; } $x = new foo(); var_dump(GetValue($x->bar->baz)); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Attempt to modify property "baz" on null in /in/oesQP:9 Stack trace: #0 {main} thrown in /in/oesQP on line 9
Process exited with code 255.

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