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<?php function a() { yield b(); yield b(); } function b() { yield 1 => 2; } foreach (a() as $a => $b) { print $a; print $b; }
Output for git.master, git.master_jit, rfc.property-hooks
0 Fatal error: Uncaught Error: Object of class Generator could not be converted to string in /in/85cOJ:14 Stack trace: #0 {main} thrown in /in/85cOJ on line 14
Process exited with code 255.

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