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--TEST--
Return type covariance in interface implementation
--FILE--
<?php
interface foo {
public function bar() : foo;
}
class qux implements foo {
public function bar() : qux {
return $this;
}
}
$qux = new qux();
var_dump($qux->bar());
--EXPECTF--
Fatal error: Declaration of qux::bar(): qux must be compatible with foo::bar(): foo in %s008.php on line 7
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