<?php
// GetCached
// Saves the content of an URL to the content of a document
// License GPL
// Written 12-2007 by Bitte Javascript aktivieren!
//
// Parameter:
// &docid – id of the published document the content of the url will be saved to 
// &geturl – url to save
// &utf8encode – 1 = translate the charset of the content of the url from ISO-8859-1 to UTF-8
//
// [!GetCached? &docid=`1` &geturl=`http://www.sample.url/document.html`!]
// will load the content of http://www.sample.url/document.html to the content of the document 1.
// '?' in the url have to be masked as '!q!'
// '=' in the url have to be masked as '!eq!'
// '&' in the url have to be masked as '!and!'
 
$docid = isset ($docid) ? $docid : -1;
$geturl = isset ($geturl) ? $geturl : '';
$utf8encode = isset ($utf8encode) ? $utf8encode : 0;
$geturl = ereg_replace('!q!', '?', $geturl);
$geturl = ereg_replace('!eq!', '=', $geturl);
$geturl = ereg_replace('!and!', '&', $geturl);
echo $docid . ' – ' . $geturl . ' – ';
$document = $modx->getDocumentObject('id', $docid);
if (empty ($document)) {
    return;
} // The document has to be published
$url = curl_init($geturl);
curl_setopt($url, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec($url);
curl_close($url);
if (!$data) {
    return 'Seite nicht gefunden!<br />';
}
$data = trim($data);
if ($utf8encode) {
    $data = utf8_encode($data);
}
$table = $modx->getFullTableName('site_content');
$fields = array('content' => $data, 'editedon' => time());
$result = $modx->db->update($fields, $table, 'id = "' . $docid . '"');
if ($result) {
    return 'Seite geändert.<br />';
} else {
    return 'Fehler!<br />';
}