function main() { include_once 'numbers.php'; $numbers = listToArray($numberList); $digitCount = count($numbers[0]); $numberCount = count($numbers); $realSum = []; $startUnit = 0; /** * This use the elementary sum method from right to left. */ for ($i = $digitCount - 1; $i >= 0; $i--) { $sum = 0; for ($j = 0; $j < $numberCount; $j++) { $sum += intval($numbers[$j][$i]); } $sumSplit = array_reverse(str_split(strval($sum))); for ($k = 0; $k < count($sumSplit); $k++) { // NOTE: This null coalesce (??) only works on PHP 7 $realSum[$startUnit + $k] = $realSum[$startUnit + $k] ?? 0; // Get the sum by column $colSum = $realSum[$startUnit + $k] + intval($sumSplit[$k]); // Put remainder to the current result column $realSum[$startUnit + $k] = $colSum % 10; // If the column sum is >= 10, put the carry number to the next result column if ($colSum >= 10) { $realSum[$startUnit + $k + 1] = $realSum[$startUnit + $k + 1] ?? 0; // NOTE: This intdiv() is also only on PHP 7 $realSum[$startUnit + $k + 1] += intdiv($colSum, 10); } } $startUnit++; } var_dump(implode(array_reverse($realSum))); }
$out[$c]['type'] = 'changed'; } if (strnatcmp($waka['drafts'][$_REQUEST['u']]['dateImagesTouched'], $_REQUEST['d']) > 0) { $c = count($out); $out[$c]['html'] = renderItemImagesForm($waka['drafts'][$_REQUEST['u']], 'draft'); $out[$c]['location'] = 'draft_images_form'; $out[$c]['type'] = 'changed'; } if (strnatcmp($waka['drafts'][$_REQUEST['u']]['dateFilesTouched'], $_REQUEST['d']) > 0) { $c = count($out); $out[$c]['html'] = renderItemFilesForm($waka['drafts'][$_REQUEST['u']], 'draft'); $out[$c]['location'] = 'draft_files_form'; $out[$c]['type'] = 'changed'; } } $oldplist = listToArray($_REQUEST['p']); $postcount = count($waka['posts']); for ($p = 0; $p < $postcount; $p++) { for ($p2 = 0; $p2 < count($oldplist); $p2++) { if ($oldplist[$p2] == $waka['posts'][$p]['id']) { array_splice($oldplist, $p2, 1); } } if (strnatcmp($waka['posts'][$p]['dateCreated'], $_REQUEST['d']) > 0) { $c = count($out); $out[$c]['html'] = renderPost($waka['posts'][$p], $waka['users'], $user); $out[$c]['location'] = 'post_' . $waka['posts'][$p]['id']; $out[$c]['type'] = 'new'; } else { if (strnatcmp($waka['posts'][$p]['dateContentTouched'], $_REQUEST['d']) > 0) { $c = count($out);