<form method="get">
    <div>
        Delimeter:
        <select name="delimeter">
            <option value=",">,</option>
            <option value="|">|</option>
            <option value="&">&</option>
        </select>
    </div>
    <div>
        Names:
        <input type="text" name="names"/>
    </div>
    <div>
        Ages:
        <input type="text" name="ages"/>
    </div>
    <div>
        <input type="submit" name="filter" value="Filter!">
    </div>
</form>
<?php
if(isset($_GET['filter'])){
    $delimeter = $_GET['delimeter'];
    $Names = explode($delimeter,$_GET['names']);
    $Ages = explode($delimeter,$_GET['ages']);
    $PagesCnt = floor(count($Names)/5)+1;
    $SelectedPage = 1;
}
?>
<?php if (isset($Names,$Ages)): ?>
    <table border="1" cellpadding="0">
        <thead>
        <tr>
            <th>Name</th>
            <th>Age</th>
        </tr>
        </thead>
        <tbody>
            <?php for ($i = 5*($SelectedPage-1); $i < 5*$SelectedPage;$i++): //displays five students per page
                if($i>=count($Names)){break;}
                ?>
            <tr>
                <td><?=$Names[$i]?></td>
                <td><?=$Ages[$i]?></td>
            </tr>
        <?php endfor;?>
        </tbody>
    </table>
<?php endif;?>