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<?php class Data { public $foo = 'bar'; public function wtf() { unset($this->foo); } } $d = new Data; var_dump('foo exists', property_exists((object)$d, 'foo')); var_dump('data object', $d); $d->wtf(); var_dump('foo exists', property_exists((object)$d, 'foo')); var_dump('data object', $d); var_dump('oh', $d->foo);
Output for git.master, git.master_jit, rfc.property-hooks
string(10) "foo exists" bool(true) string(11) "data object" object(Data)#1 (1) { ["foo"]=> string(3) "bar" } string(10) "foo exists" bool(true) string(11) "data object" object(Data)#1 (0) { } Warning: Undefined property: Data::$foo in /in/vps88 on line 22 string(2) "oh" NULL

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