J1.php
<?php
$achternaam = $_POST['achternaam']
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script href='ajax.js'></script>
</head>
<body>
<?php
include ('db.php');
echo "<form action='' method='post'>";
echo "<input type='text' name='achternaam' placeholder='achternaam' value='$achternaam'>";
echo "<input type='submit' value='Zoeken'>";
echo "</form>";
echo '<br><br><br>';
$query = "select * from leerlingen where achternaam like '%$achternaam%'";
$result = mysqli_query($db,$query) or die(mysqli_error($db));
while($row = mysqli_fetch_array($result)){
echo "<div>$row[voornaam] $row[tussenvoegsel] $row[achternaam]</div>";
}
?>
</body>
</html>
Resultaat
Made by Thijs Aarnoudse