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<?php function gen() { for($i = 1; $i <=3; $i++) { $resp = (yield $i); echo '$resp: '; var_dump($i); } } $gen = gen(); foreach($gen as $out) { echo '$i: '; var_dump($i); $gen->send('Hi ' . $i); }
Output for git.master, git.master_jit, rfc.property-hooks
$i: Warning: Undefined variable $i in /in/AK9N7 on line 17 NULL Warning: Undefined variable $i in /in/AK9N7 on line 18 $resp: int(1) $resp: int(2) $i: Warning: Undefined variable $i in /in/AK9N7 on line 17 NULL Warning: Undefined variable $i in /in/AK9N7 on line 18 $resp: int(3)

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