get_groups.php

<?php
 $CONFIG_FILENAME = 'data/config.xml';
//config.xml dateisystem rechte überprüfen
if(!file_exists($CONFIG_FILENAME)) {
    echo "Kann die Konfiguration (".$CONFIG_FILENAME.") nicht finden!\n";
    exit(1);
}
if(!is_readable($CONFIG_FILENAME)) {
    echo "Kann die Konfiguration (".$CONFIG_FILENAME.") nicht lesen!\n";
    exit(2);
}

//config.xml einlesen
libxml_use_internal_errors(true);
$xml = simplexml_load_file($CONFIG_FILENAME);
if (!$xml) {
    echo "Kann die Konfiguration (".$CONFIG_FILENAME.") nicht laden!\n";
    foreach(libxml_get_errors() as $error) {
        echo "\t", $error->message;
    }
    exit(4);
}

$ResStr="";

foreach($xml->groups->group as $group) {
		$ResStr .= $group->id.":".$group->name."|";
	}
echo substr($ResStr, 0, strlen($ResStr)-1);
?>