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run code in 150+ php & hhvm versions
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<?php function x($n) { for($i = 1; $i <= $n; $i++) { if ($n % $i == 0 || $i != $n) { $factors[] = $i; echo "$i is a factor of $n." . PHP_EOL; } elseif ($i == $n) { echo "Removing $n from array.."; } } return ($n == array_sum($factors) / 2) ? true : false; } x(42); ?>
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.1.0
1 is a factor of 42. 2 is a factor of 42. 3 is a factor of 42. 4 is a factor of 42. 5 is a factor of 42. 6 is a factor of 42. 7 is a factor of 42. 8 is a factor of 42. 9 is a factor of 42. 10 is a factor of 42. 11 is a factor of 42. 12 is a factor of 42. 13 is a factor of 42. 14 is a factor of 42. 15 is a factor of 42. 16 is a factor of 42. 17 is a factor of 42. 18 is a factor of 42. 19 is a factor of 42. 20 is a factor of 42. 21 is a factor of 42. 22 is a factor of 42. 23 is a factor of 42. 24 is a factor of 42. 25 is a factor of 42. 26 is a factor of 42. 27 is a factor of 42. 28 is a factor of 42. 29 is a factor of 42. 30 is a factor of 42. 31 is a factor of 42. 32 is a factor of 42. 33 is a factor of 42. 34 is a factor of 42. 35 is a factor of 42. 36 is a factor of 42. 37 is a factor of 42. 38 is a factor of 42. 39 is a factor of 42. 40 is a factor of 42. 41 is a factor of 42. 42 is a factor of 42.
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 1 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 2 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 3 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 4 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 5 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 6 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 7 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 8 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 9 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 10 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 11 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 12 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 13 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 14 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 15 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 16 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 17 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 18 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 19 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 20 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 21 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 22 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 23 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 24 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 25 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 26 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 27 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 28 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 29 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 30 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 31 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 32 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 33 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 34 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 35 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 36 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 37 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 38 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 39 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 40 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 41 is a factor of 42.PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/h2WD6 on line 6 42 is a factor of 42.PHP_EOL