3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() : string { return 'foo'; return; }
Output for 7.3.0 - 7.3.27, 7.4.0 - 7.4.15, 8.0.0 - 8.0.2
Fatal error: A function with return type must return a value in /in/bZqWv on line 5
Process exited with code 255.
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178.02 ms | 1395 KiB | 54 Q