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<?php class A { public function get(): iterable { return [17]; } } class B extends A { public function get(): iterable { yield 42; } } echo (new A)->get()[0]; echo (new B)->get()[0];
Output for git.master_jit, git.master
17 Fatal error: Uncaught Error: Cannot use object of type Generator as array in /in/l9NY2:15 Stack trace: #0 {main} thrown in /in/l9NY2 on line 15
Process exited with code 255.

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