<?php
$file = "rhythmdb.xml";
$depth = array();

function debutElement($parser, $name, $attrs)
{
    global $depth;
    for ($i = 0; $i < $depth[$parser]; $i++) {
        echo "  ";
    }
    echo "$name\n";
    $depth[$parser]++;
}

function finElement($parser, $name)
{
    global $depth;
    $depth[$parser]--;
}

$xml_parser = xml_parser_create();
xml_set_element_handler($xml_parser, "debutElement", "finElement");
if (!($fp = fopen($file, "r"))) {
    die("Impossible d'ouvrir le fichier XML");
}

while ($data = fread($fp, 4096)) {
    if (!xml_parse($xml_parser, $data, feof($fp))) {
        die(sprintf("erreur XML : %s à la ligne %d",
                    xml_error_string(xml_get_error_code($xml_parser)),
                    xml_get_current_line_number($xml_parser)));
    }
}
xml_parser_free($xml_parser);
?>