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@ 2014-08-25T15:06:23Z

<?php
interface NewI {}
class_alias('NewI', 'OldI');
class C1 implements NewI {}
class C2 implements OldI {}
function fn(NewI $i) { echo "New: Success!\n"; }
function fo(OldI $i) { echo "Old: Success!\n"; }
fn(new C1);
fn(new C2);
fo(new C1);
fo(new C2);

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