There are many features already introduced in PHP 8.1, and among them the new never
return type:
function doSomething(): never {
// do something
die();
}
The idea is pretty straightforward: if the execution flow is never supposed to leave the function, it should be marked as never
. If the execution flow somehow reaches the end of the function, PHP will throw an error.
Although it seems to me like a good idea, there’s a hidden catch we need to be cautious about.
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