3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace A\B\C { class A { } } namespace C\B\A { class B { const test = 'A\B\C\A'; } print_r( new (B::test)() ); }
Output for 8.1.23 - 8.1.28, 8.2.10 - 8.2.18, 8.3.0 - 8.3.6
A\B\C\A Object ( )
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '(' in /in/93b8U on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/93b8U on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/93b8U on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/93b8U on line 3
Process exited with code 255.

preferences:
118.08 ms | 401 KiB | 143 Q