3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function __construct() { echo get_class_name( $this ); } } class B extends A {} new B();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 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 - 8.3.7
Fatal error: Uncaught Error: Call to undefined function get_class_name() in /in/6PZpG:5 Stack trace: #0 /in/6PZpG(11): A->__construct() #1 {main} thrown in /in/6PZpG on line 5
Process exited with code 255.
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
Fatal error: Call to undefined function get_class_name() in /in/6PZpG on line 5
Process exited with code 255.

preferences:
188.24 ms | 402 KiB | 258 Q