Getting DB Table In HTML Page to Sort By Column

<?php
 
if (!$link = mysql_connect('server_name_or_IP', 'username', 'password')) {
    echo 'Could not connect to mysql';
    exit;
}
if (!mysql_select_db('mysql_dbName', $link)) {
    echo 'Could not select database';
    exit;
}
$sql    = 'SELECT * FROM myTable';
$result = mysql_query($sql, $link);
 
if (!$result) {
    echo "DB Error, could not query the database\n";
    echo 'MySQL Error: ' . mysql_error();
    exit;
}
print "<table align=\"center\" border=\"0\" cellpadding=\"2\" bgcolor=\"#4F5158\">
           <tr style=\"color: white;\">
           <th>First Name</th>
           <th>Last Name</th>
           <th>Address</th>
           <th>City</th>
           <th>State</th>
           <th>Zip</th>  
           <th>Country</th>
           <th>Phone</th></tr>";
           
print "<tr><td></td></tr>";
 
// Define colors for alternating rows
$color1 = "#fffaf0";
$color2 = "#ffffff";
$row_count = 0;
 
while ($row = mysql_fetch_row($result))
{
$row_color = ($row_count % 2) ? $color1 : $color2;
 
     print "<tr>";
     foreach ($row as $field)
     {
           print "<td nowrap=\"nowrap\" align=\"center\" bgcolor=\"$row_color\"><font size=\"2\">$field</font></td>";
     }
     print "</tr>";
     
          $row_count++;
}
print "</table>";
 
?>