simple-oai-pmh/listsets.php

<?php
/**
 * \file
 * \brief Response to Verb ListSets
 *
 * Lists what sets are available to records in the system.
 */

// Here the size of sets is small, no resumptionToken is taken care.
if (is_array($SETS)) {
    $outputObj = new ANDS_Response_XML($args);
    foreach($SETS as $set) {
        $setNode = $outputObj->add2_verbNode("set");
        foreach($set as $key => $val) {
            if($key=='setDescription') {
                $desNode = $outputObj->addChild($setNode,$key);
                $des = $outputObj->doc->createDocumentFragment();
                $des->appendXML($val);
                $desNode->appendChild($des);
            } else {
                $outputObj->addChild($setNode,$key,$val);
            }
        }
    }
} else {
    $errors[] = oai_error('noSetHierarchy');
    oai_exit();
}