поиск по бд при переходе на страницу

$_GET
(
   ['search']=>'text',
   ['user']=>'username'
);

<?php
$_GET
(
   ['search']=>'alfa',
   ['user']=>'username'
);
 
$link = mysql_connect('localhost', 'root', '');
mysql_select_db('Auto',$link) ;
 
{if($a1=="")
{$query ="select * from lb8";
}
else
{$query ="select * from lb8 where lb8.марка='$a1'";
};
$result= mySQL_query ($query);
 
while ($row= mysql_fetch_array($result)) 
  {
    print ("<tr> <td>$row[0]</td> <td>$row[1]</td> <td>$row[2]</td> <td>$row[3]</td> <td>$row[4]</td> <td>$row[5]</td> <td>$row[6]</td> <td>$row[7]</td> <td>$row[8]</td> <td>$row[9]</td> <td>$row[10]</td> <td>$row[11]</td> <td>$row[12]</td> <td>$row[13]</td> <td>$row[14]</td> <td>$row[16]</td></tr>");
  }
}
?>

<?php
 
//проверяем, есть ли данные для поиска
if (isset($_GET['search'])) 
     $a1=$_GET['search']; //передаем переменной $a1 данные для поиска
 
$link = mysql_connect('localhost', 'root', '');
mysql_select_db('Auto',$link) ;
 
{if($a1=="")
{$query ="select * from lb8";
}
else
{$query ="select * from lb8 where lb8.марка='$a1'";
};
$result= mySQL_query ($query);
 
while ($row= mysql_fetch_array($result)) 
  {
    print ("<tr> <td>$row[0]</td> <td>$row[1]</td> <td>$row[2]</td> <td>$row[3]</td> <td>$row[4]</td> <td>$row[5]</td> <td>$row[6]</td> <td>$row[7]</td> <td>$row[8]</td> <td>$row[9]</td> <td>$row[10]</td> <td>$row[11]</td> <td>$row[12]</td> <td>$row[13]</td> <td>$row[14]</td> <td>$row[16]</td></tr>");
  }
}
?>

 print ("<td>{$row[0]}</td>");

print ("<td>".$row[0]."</td>");