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<?php class A { public function __set($key, $value) { $this->$key = $value; } } class B extends A { private $a; } $instance = new B; $instance->a = 'test'; var_dump($instance);
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Fatal error: Uncaught Error: Cannot access private property B::$a in /in/Up6C3:6 Stack trace: #0 /in/Up6C3(15): A->__set('a', 'test') #1 {main} thrown in /in/Up6C3 on line 6
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Cannot access private property B::$a in /in/Up6C3:6 Stack trace: #0 /in/Up6C3(15): A->__set('a', 'test') #1 {main} thrown in /in/Up6C3 on line 6
Process exited with code 255.
Output for 5.6.38, 7.1.0 - 7.1.22, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33
object(B)#1 (1) { ["a":"B":private]=> NULL }

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