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<?php class Foo { protected $props; public function __get($key) { if (isset($props[$key])) { return $this->props[$key]; } } public function __set($key, $value) { $this->props[$key] = $value; } } $foo = new Foo; $foo->bar = 'baz'; $foo->bar->baz = 'quix'; var_dump($foo->bar, $foo->bar->baz);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Notice: Indirect modification of overloaded property Foo::$bar has no effect in /in/lL939 on line 25 Fatal error: Uncaught Error: Attempt to assign property "baz" on null in /in/lL939:25 Stack trace: #0 {main} thrown in /in/lL939 on line 25
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Indirect modification of overloaded property Foo::$bar has no effect in /in/lL939 on line 25 Warning: Creating default object from empty value in /in/lL939 on line 25 Notice: Trying to get property 'baz' of non-object in /in/lL939 on line 27 NULL NULL
Output for 7.3.32 - 7.3.33
Warning: Creating default object from empty value in /in/lL939 on line 25 NULL NULL
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25
Notice: Indirect modification of overloaded property Foo::$bar has no effect in /in/lL939 on line 25 Warning: Creating default object from empty value in /in/lL939 on line 25 Notice: Trying to get property of non-object in /in/lL939 on line 27 NULL NULL
Output for 5.2.1 - 5.2.17, 5.3.0 - 5.3.29
Notice: Indirect modification of overloaded property Foo::$bar has no effect in /in/lL939 on line 25 Strict Standards: Creating default object from empty value in /in/lL939 on line 25 Notice: Trying to get property of non-object in /in/lL939 on line 27 NULL NULL
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
Strict Standards: Creating default object from empty value in /in/lL939 on line 25 Notice: Trying to get property of non-object in /in/lL939 on line 27 NULL NULL
Output for 5.0.0 - 5.0.3
Fatal error: Cannot access undefined property for object with overloaded property access in /in/lL939 on line 25
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/lL939 on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/lL939 on line 6
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/lL939 on line 6
Process exited with code 255.

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