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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Autocomplete textbox using jQuery, PHP and MySQL by CodexWorld</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
  <script src="//code.jquery.com/jquery-1.10.2.js"></script>
  <script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
  <script>
  $(function() {
    $( "#skills" ).autocomplete({
      source: 'search.php'
    });
  });
  </script>
</head>
<body>

<div class="ui-widget">
  <label for="skills">Skills: </label>
  <input id="skills">
</div>
</body>
</html>

<?php
$dbHost = 'localhost';
$dbUsername = 'root';
$dbPassword = '';
$dbName = 'codexworld';
//connect with the database
$db = new mysqli($dbHost,$dbUsername,$dbPassword,$dbName);
//get search term
$searchTerm = $_GET['term'];
//get matched data from skills table
$query = $db->query("SELECT * FROM skills WHERE skill LIKE '%".$searchTerm."%' ORDER BY skill ASC");
while ($row = $query->fetch_assoc()) {
    $data[] = $row['skill'];
}
//return json data
echo json_encode($data);
?>