3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $a = 'a'; private $b = 'a'; public function __get($key) { return $this->$key; } } class B extends A { private $a = 'b'; public function __get($key) { return $this->$key; } } $a = new A(); echo $a->a; echo $a->b; $b = new B(); echo $b->a; echo $b->b;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
aab Warning: Undefined property: B::$b in /in/CR4ol on line 20
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 aab Warning: Undefined property: B::$b in /in/CR4ol on line 20
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
aab Notice: Undefined property: B::$b in /in/CR4ol on line 20
Output for 7.3.32 - 7.3.33
aab

preferences:
158.07 ms | 401 KiB | 157 Q