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<?php class Magic { private $vars; public function __get($name) { return $this->get($name); } public function __set($name, $value) { $this->set($name, $value); } public function get($name) { return $this->vars[$name](); } public function set($name, $value) { $this->vars[$name] = $value; } } $magic = new Magic(); $magic->a = function () use($magic) { $magic->b; }; $magic->b = function () use ($magic) { $magic->a; // Почему тут не может найти свойство, оно ЕСТЬ смотри строку 22 (Notice) }; $magic->a; // Должна быть бесконечный вызов функций (на уровне вложенности 10 по умолчанию должна быть ошибка) // А вот тут тоже самое но без использования магии и ведет себя как надо(Fatal Error) $magic->set('a', function () use($magic) { $magic->get('b'); }); $magic->set('b', function () use($magic) { $magic->get('a'); }); $magic->get('a');
based on 3TEJA
Output for 7.1.5 - 7.2.6
Notice: Undefined property: Magic::$a in /in/8o8st on line 26 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/8o8st on line 14
Process exited with code 255.
Output for 7.1.0
Notice: Undefined property: Magic::$b in /in/8o8st on line 23 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/8o8st on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.20
Notice: Undefined property: Magic::$a in /in/8o8st on line 26 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 262144 bytes) in /in/8o8st on line 35
Process exited with code 255.
Output for 5.5.24 - 5.6.28
Notice: Undefined property: Magic::$a in /in/8o8st on line 26 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 130968 bytes) in /in/8o8st on line 14
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Notice: Undefined property: Magic::$a in /in/8o8st on line 26 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 130968 bytes) in /in/8o8st on line 35
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Notice: Undefined property: Magic::$a in /in/8o8st on line 26 Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 523800 bytes) in /in/8o8st on line 32
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/8o8st on line 22
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/8o8st on line 22
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/8o8st on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/8o8st 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/8o8st on line 4
Process exited with code 255.