<h2>Søg</h2>
  <form action="søg.php" method="get">
  <input type="text" name='searchfield' size="35" value='<?php echo $_GET['searchfield']; ?>' />
  <input type="submit" name="søg" value="search">
  </form>
  <hr />
  <?php
$searchfield = $_GET['searchfield'];
if ($searchfield==""){}else{
$con=mysqli_connect("min.side.mysql","min_side_dk","mit_password","min_database");
if (mysqli_connect_errno())
  {
  echo "Fejlede tilsluttning til MySQL: " . mysqli_connect_error();
  }

$result = mysqli_query($con,"SELECT * FROM min_table WHERE Række_du_søger_i Like '$searchfield'");

while($row = mysqli_fetch_array($result))
  {
  if($row['Det_du_søger_efter']==""){echo "ingen resultater fundet";}
echo $row['Det_du_søger_efter'];
  }
mysqli_close($con);
}
  ?>