{ if (!is_numeric($value) || $value != (int) $value) { return 'I cannot sum that'; } return array_sum(str_split(abs($value))); } $input = explode(', ', $_POST['input']); ?> <table> <?php foreach ($input as $value) { ?> <tr> <td><?php echo $value; ?> </td> <td><?php echo sumOfDigits($value); ?> </td> </tr> <?php } ?> </table> <?php } ?> </body> </html>
} return $sum; } $input = explode(', ', $_POST['string']); ?> <table> <tbody> <?php foreach ($input as $str) { ?> <tr> <td> <?php echo htmlentities(trim($str)); ?> </td> <td> <?php echo isInteger($str) ? sumOfDigits($str) : "I cannot sum that"; ?> </td> </tr> <?php } ?> </tbody> </table> <?php }