<?php
$mysqli = new mysqli("localhost", "utilisateur", "mot_de_passe", "base");

/* Vérification de la connexion */
if (mysqli_connect_errno()) {
    printf("Connexion échouée :  %s\n", mysqli_connect_error());
    exit();
}

$query  = "SELECT CURRENT_USER();";
$query .= "SELECT Nom FROM Ville ORDER BY ID LIMIT 20, 5";

/* Exécution d'une requête multiple */
if ($mysqli->multi_query($query)) {
    do {
        /* Stockage du premier résultat */
        if ($result = $mysqli->store_result()) {
            while ($row = $result->fetch_row()) {
                printf("%s\n", $row[0]);
            }
            $result->close();
        }
        /* Affichage d'une séparation */
        if ($mysqli->more_results()) {
            printf("-----------------\n");
        }
    } while ($mysqli->next_result());
}

/* Fermeture de la connexion */
$mysqli->close();
?>

<?php
$link = mysqli_connect("localhost", "utilisateur", "mot_de_passe", "base");

/* Vérification de la connexion */
if (mysqli_connect_errno()) {
    printf("Connexion échouée :  %s\n", mysqli_connect_error());
    exit();
}

$query  = "SELECT CURRENT_USER();";
$query .= "SELECT Nom FROM Ville ORDER BY ID LIMIT 20, 5";

/* Exécution d'une requête multiple */
if (mysqli_multi_query($link, $query)) {
    do {
        /* Stockage du premier résultat */
        if ($result = mysqli_store_result($link)) {
            while ($row = mysqli_fetch_row($result)) {
                printf("%s\n", $row[0]);
            }
            mysqli_free_result($result);
        }
        /* Affichage d'une séparation */
        if (mysqli_more_results($link)) {
            printf("-----------------\n");
        }
    } while (mysqli_next_result($link));
}

/* Fermeture de la connexion */
mysqli_close($link);
?>