3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo->bar = 5; var_dump(get_class($foo)); var_dump($foo);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Attempt to assign property "bar" on null in /in/g2k0D:3 Stack trace: #0 {main} thrown in /in/g2k0D on line 3
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.25, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: Creating default object from empty value in /in/g2k0D on line 3 string(8) "stdClass" object(stdClass)#1 (1) { ["bar"]=> int(5) }
Output for 5.0.0 - 5.0.5, 5.1.0 - 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/g2k0D on line 3 string(8) "stdClass" object(stdClass)#1 (1) { ["bar"]=> int(5) }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
string(8) "stdClass" object(stdClass)(1) { ["bar"]=> int(5) }

preferences:
245.65 ms | 401 KiB | 356 Q