Mostrar resultados

[urgido]

Código PHP:

<?php
 
include('config.php');
 
if(isset($_GET['search_word'])){
$search_word=$_GET['search_word'];
 
$sql=mysql_query("SELECT * FROM tabla_registros WHERE matricula LIKE '%$search_word%' ORDER BY registrado");
$con = mysql_connect($mysql_hostname, $mysql_user, $mysql_password); 
mysql_select_db($mysql_database, $con);
mysql_query("SET NAMES 'utf8'");
 
$count=mysql_num_rows($sql);
 
if($count > 0){
 
while($row=mysql_fetch_array($sql) or die(mysql_error())){
$matricula=$row['matricula'];
$bold_word='<b>'.$search_word.'</b>';
$final_msg = str_ireplace($search_word, $bold_word, $matricula);
 
 
echo "<table cellspacing='1' class='tablesorter'>
<thead>
<tr>
<th>Nombre</th>
<th>Matricula</th>
<th>Concepto pagado</th>
<th>Cantidad pagada</th>
<th>Folio de pago</th>
</tr>
</thead>";
 
  echo "<tbody> <tr>";
  echo "<td class='name'>" . $row['nombre'] . "</td>";
  echo "<td class='id'>" . $row['matricula'] . "</td>";
  echo "<td>" . $row['concepto'] . "</td>";
  echo "<td> $ " . $row['valor'] . " pesos</td>";
  echo "<td>" . $row['folio'] . "</td>";
  echo "</tr>";
 
echo "</tbody> </table>";
 
}
}else{
 echo "Verifica la matricula, no se encontraron registros.";
} 
}
?>