<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");

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

$query = "SELECT Name, SurfaceArea from Country ORDER BY Code LIMIT 5";

if ($result = $mysqli->query($query)) {

    /* Récupération des informations des champs pour toutes les colonnes */
    while ($finfo = $result->fetch_field()) {

        /* Récupération de la position du champ dans le curseur */
        $currentfield = $result->current_field;

        printf("Colonne %d:\n", $currentfield); 
        printf("Nom :     %s\n", $finfo->name);
        printf("Table :    %s\n", $finfo->table);
        printf("Longueur Max. : %d\n", $finfo->max_length);
        printf("Flags :    %d\n", $finfo->flags);
        printf("Type :     %d\n\n", $finfo->type);
    }
    $result->close();
}

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

<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");

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

$query = "SELECT Name, SurfaceArea from Country ORDER BY Code LIMIT 5";

if ($result = mysqli_query($link, $query)) {

    /* Récupération des informations des champs pour toutes les colonnes */
    while ($finfo = mysqli_fetch_field($result)) {

        /* Récupération de la position du champ dans le curseur */
        $currentfield = mysqli_field_tell($result);

        printf("Colonne %d:\n", $currentfield); 
        printf("Nom :     %s\n", $finfo->name);
        printf("Table :    %s\n", $finfo->table);
        printf("Longueur Max. : %d\n", $finfo->max_length);
        printf("Flags :    %d\n", $finfo->flags);
        printf("Type :     %d\n\n", $finfo->type);
    }
    mysqli_free_result($result);
}

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