{
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
}
