php-in-html-sample.php

<?php
function isEven($n) {
    return $n % 2 == 0;
}
function isOdd($n) {
    return isEven($n) === false;
}
$elements = [1, 2, 3, 4, 5];
?>
<table>
    <tr>
        <th>
            #
        </th>
        <th>
            is even?
        </th>
    </tr>
    <?php foreach ($elements as $element): ?>
    <tr>
        <td>
            <?php echo $element; ?>
        </td>
        <?php if(isEven($element)): ?>
        <td>
            Yes!
        </td>
        <?php else: ?>
        <td>
            No!
        </td>
        <?php endif; ?>
    </tr>
    <?php endforeach; ?>
</table>