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<?php class A { public function __get($prop) { return $prop; } } $a = new A; $var = $a->a; var_dump($a->a, isset($a->a), empty($a->a)); echo "\n"; var_dump($var, isset($var), empty($var));
Output for git.master, git.master_jit, rfc.property-hooks
string(1) "a" bool(false) bool(true) string(1) "a" bool(true) bool(false)

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