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<?php function getNumsOdd(array $nums) { foreach($nums as $key => $num) { if ($num % 2) { yield $key => $num; } } } while($num = getNumsOdd([1,3,4,5,6])) { echo $num.PHP_EOL; if (++$i > 10){ break; } } /*foreach(getNumsOdd([1,3,4,5,6]) as $key => $num) { echo $key . '=>' . $num.PHP_EOL; }*/
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Object of class Generator could not be converted to string in /in/f5lfh:12 Stack trace: #0 {main} thrown in /in/f5lfh on line 12
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Recoverable fatal error: Object of class Generator could not be converted to string in /in/f5lfh on line 12
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Catchable fatal error: Object of class Generator could not be converted to string in /in/f5lfh on line 12
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$key' (T_VARIABLE) in /in/f5lfh on line 6
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_VARIABLE in /in/f5lfh on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/f5lfh on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/f5lfh on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/f5lfh on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/f5lfh on line 2
Process exited with code 255.

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