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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 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $num in /in/r5psS on line 13 Fatal error: Uncaught Error: Call to a member function current() on null in /in/r5psS:13 Stack trace: #0 {main} thrown in /in/r5psS on line 13
Process exited with code 255.
Output for 7.0.5 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: num in /in/r5psS on line 13 Fatal error: Uncaught Error: Call to a member function current() on null in /in/r5psS:13 Stack trace: #0 {main} thrown in /in/r5psS on line 13
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to a member function current() on null in /in/r5psS:13 Stack trace: #0 {main} thrown in /in/r5psS on line 13
Process exited with code 255.
Output for 7.0.0 - 7.0.4
Notice: Undefined variable: num in /in/r5psS on line 13 Fatal error: Uncaught Error: Call to a member function current() on unknown in /in/r5psS:13 Stack trace: #0 {main} thrown in /in/r5psS on line 13
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Notice: Undefined variable: num in /in/r5psS on line 13 Fatal error: Call to a member function current() on null in /in/r5psS on line 13
Process exited with code 255.
Output for 5.5.0 - 5.5.38
Notice: Undefined variable: num in /in/r5psS on line 13 Fatal error: Call to a member function current() on a non-object in /in/r5psS on line 13
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '$num' (T_VARIABLE) in /in/r5psS 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/r5psS 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/r5psS 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/r5psS 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/r5psS on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/r5psS on line 2
Process exited with code 255.
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