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<?php $global_obj = null; class my_class { var $value; function my_class() { global $global_obj; $global_obj = &$this; } } $a = new my_class; $a->my_value = 5; $global_obj->my_value = 10; var_dump($a->my_value);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Creation of dynamic property my_class::$my_value is deprecated in /in/EbuJ0 on line 13 Fatal error: Uncaught Error: Attempt to assign property "my_value" on null in /in/EbuJ0:14 Stack trace: #0 {main} thrown in /in/EbuJ0 on line 14
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Fatal error: Uncaught Error: Attempt to assign property "my_value" on null in /in/EbuJ0:14 Stack trace: #0 {main} thrown in /in/EbuJ0 on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; my_class has a deprecated constructor in /in/EbuJ0 on line 3 Warning: Creating default object from empty value in /in/EbuJ0 on line 14 int(5)
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.3.32 - 7.3.33
Warning: Creating default object from empty value in /in/EbuJ0 on line 14 int(5)
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Strict Standards: Creating default object from empty value in /in/EbuJ0 on line 14 int(5)
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
Strict Standards: var: Deprecated. Please use the public/private/protected modifiers in /in/EbuJ0 on line 5 Strict Standards: Creating default object from empty value in /in/EbuJ0 on line 14 int(5)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
int(5)

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