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<?php function printer() { yield; echo $string; return; } $printer = printer(); $printer->send(3); foreach($printer as $v) { var_dump($v); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $string in /in/3MGUA on line 4 Fatal error: Uncaught Exception: Cannot traverse an already closed generator in /in/3MGUA:10 Stack trace: #0 {main} thrown in /in/3MGUA on line 10
Process exited with code 255.

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