3v4l.org

run code in 500+ PHP versions simultaneously
<?php function foo(): void { return; } function bar(): void { return foo(); }
Output for 8.5.0 - 8.5.7
Fatal error: A void function must not return a value in /in/2cQYR on line 8 Stack trace: #0 {main}
Process exited with code 255.
Output for 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22
Fatal error: A void function must not return a value in /in/2cQYR on line 8
Process exited with code 255.
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52.84 ms | 753 KiB | 3 Q