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<?php interface A { public function foo(...$args) : self; } class B implements A { public function foo(...$args) : self { foreach ($args as $arg) { echo $arg."\n"; } } } $x = new B; $x->foo(1, 2, 3);
Output for git.master, git.master_jit, rfc.property-hooks
1 2 3 Fatal error: Uncaught TypeError: B::foo(): Return value must be of type B, none returned in /in/XbtXf:14 Stack trace: #0 /in/XbtXf(18): B->foo(1, 2, 3) #1 {main} thrown in /in/XbtXf on line 14
Process exited with code 255.

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