extranet/www/pages/nafajax.php

<?php
$q = (!$_GET["q"])? "" : strtolower($_GET["q"]);
if (!$q) return;
//Connection mysql
$link = mysql_connect(MYSQL_HOST, MYSQL_USER, MYSQL_PASS) or
die("Impossible de se connecter : " . mysql_error());
$db_selected = mysql_select_db(MYSQL_DB, $link);
if (!$db_selected) { die ('Impossible de sélectionner la base de données : ' . mysql_error()); }
//Lecture des données mysql
$sql = "SET NAMES 'utf8'";
$result = mysql_query($sql);
$sql = "SELECT codNaf5, libNaf5 FROM tabnaf5 WHERE codNaf5 LIKE '%$q%' OR libNaf5 LIKE '%$q%' ORDER BY poids DESC";
$result = mysql_query($sql);
$output = array();
if ( mysql_num_rows($result)>0 && mysql_num_rows($result)!=FALSE ){
	while ($row = mysql_fetch_assoc($result)) { $items[$row['codNaf5']] = "".$row['libNaf5'].""; }
	//Envoi des informations
	$separator = " , ";
	foreach ($items as $key=>$value) {
		if (strpos(strtolower($key), $q) !== false || strpos(strtolower($value), $q) !== false ) {
			$output[] = array(
				'label' => $key . $separator . $value,
				'value' => $key
			);
		}
	}
}
echo json_encode($output);
?>