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 - 8.1.31, 8.2.21 - 8.2.26, 8.3.5 - 8.3.15, 8.4.1 - 8.4.2
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.
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63.06 ms | 408 KiB | 5 Q