3v4l.org

run code in 300+ PHP versions simultaneously
<?php class TypeA {} class TypeB {} interface hasMethodA { public function method(): TypeA & TypeB; }
Output for 8.1.0 - 8.1.34, 8.2.21 - 8.2.30, 8.3.5 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Output for 8.0.1 - 8.0.18
Parse error: syntax error, unexpected token "&", expecting ";" or "{" in /in/aDUGK on line 6
Process exited with code 255.
Output for 7.4.0 - 7.4.29
Parse error: syntax error, unexpected '&', expecting ';' or '{' in /in/aDUGK on line 6
Process exited with code 255.

preferences:
69.35 ms | 947 KiB | 4 Q