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deshack/php7-return-type-declarations-usage.php

Created June 6, 2016 15:47
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PHP7 usage of return type declarations
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php7-return-type-declarations-usage.php
<?php
class User {}
function getUserWrong() : User {
return [];
}
getUserWrong();
// PHP Warning: Uncaught TypeError: Return value of getUserWrong() must be an instance of User, array returned
function getUser() : User {
return new User;
}
var_dump(getUser());
// object(User)#1 (0) {
// }
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