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Return type declarations in PHP7

Today the maintainers of PHP voted on whether they should add return type declarations in PHP7.  And guess what, it passed!

So in PHP7 you can declare this function that guaranties that an array will be returned.

function foo(): array {
return [];

You will be able to add a return type for closures, function, generators and class methods. Code which does not declare a return type will continue to work exactly as it currently does.

Freek Van der Herten is a partner and developer at Spatie, an Antwerp based company that specializes in creating web apps with Laravel. After hours he writes about modern PHP and Laravel on this blog. When not coding he’s probably rehearsing with his kraut rock band.