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run code in 300+ PHP versions simultaneously
<?php function foo(mixed|int $foo) { }
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Fatal error: Type mixed can only be used as a standalone type in /in/N6ECk on line 3
Process exited with code 255.
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160.77 ms | 1011 KiB | 7 Q