<?php $db = new mysqli('host', 'user' ,'senha', 'bd'); if(!$db) { echo 'ERROR: Could not connect to the database.'; } else { if(isset($_POST['queryString'])) { $queryString = $db->real_escape_string($_POST['queryString']); if(strlen($queryString) > 0) { $query = $db->query("SELECT escola FROM escola WHERE escola LIKE '$queryString%' LIMIT 1"); if($query) { while ($result = $query ->fetch_object()) { echo '<li onClick="fill(\''.htmlentities($result->escola).'\'); getfocusendereco();">' .htmlentities ($result->escola).'</li>'; } } else { echo 'erro na query!'; } } else {} } else { echo 'não abra o script diretamente!';}}?>