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<?php class x extends ArrayObject { // public function offsetGet($key) { static $i = 0; $i++; if ($i == 1) return $this[$key]; else return 'bla';} function __get($key) { static $i = 0; $i++; if ($i == 1) return $this->$key; else return 'bla';} } $x = new x(); //var_dump($x['test']); var_dump($x->test);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined property: x::$test in /in/luYXf on line 5 NULL
Output for 5.2.6 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined property: x::$test in /in/luYXf on line 5 NULL
Output for 7.3.32 - 7.3.33
NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.5
Notice: Undefined property: x::$test in /in/luYXf on line 5 NULL
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Class x: Cannot inherit from undefined class arrayobject in /in/luYXf on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Class x: Cannot inherit from undefined class arrayobject in /in/luYXf on line 3

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