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<?php function getNumsOdd(array $nums) { foreach($nums as $key => $num) { if ($num % 2) { yield $num; } } } $i = 0; $gen = getNumsOdd([1,3,4,5,6]); while($gen) { var_dump($num->current()); if (++$i == 10){ break; } } /*foreach(getNumsOdd([1,3,4,5,6]) as $key => $num) { echo $key . '=>' . $num.PHP_EOL; }*/
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $num in /in/r5psS on line 13 Fatal error: Uncaught Error: Call to a member function current() on null in /in/r5psS:13 Stack trace: #0 {main} thrown in /in/r5psS on line 13
Process exited with code 255.

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