<?php
//================================================================
// This section based on: http://jp2.php.net/xml_parse_into_struct
//----------------------------------------------------------------
class ExpiredPage {
var $url;
var $owner;
var $expired;
var $message;
function ExpiredPage ($aa) {
foreach ($aa as $k=>$v)
$this->$k = $aa[$k];
}
}
//----------------------------------------------------------------
function readDatabase($file) {
// read the xml database of ExpiredPages
$data = implode("",file($file));
$parser = xml_parser_create();
xml_parser_set_option($parser,XML_OPTION_CASE_FOLDING,0);
xml_parser_set_option($parser,XML_OPTION_SKIP_WHITE,1);
xml_parse_into_struct($parser,$data,$values,$tags);
xml_parser_free($parser);
// loop through the structures
foreach ($tags as $key=>$val) {
if ($key == "expiredpage") {
$molranges = $val;
// each contiguous pair of array entries are the
// lower and upper range for each expiredpage definition
for ($i=0; $i < count($molranges); $i+=2) {
$offset = $molranges[$i] + 1;
$len = $molranges[$i + 1] - $offset;
$tdb[] = parseMol(array_slice($values, $offset, $len));
}
} else {
continue;
}
}
return $tdb;
}
//----------------------------------------------------------------
function parseMol($mvalues) {
for ($i=0; $i < count($mvalues); $i++)
$mol[$mvalues[$i]["tag"]] = $mvalues[$i]["value"];
return new ExpiredPage($mol);
}
//================================================================
function EmailExpiryMessages($FileName) {
// open and lock the expiry data file
$theFile_fp = fopen($FileName, "r+");
$lock = flock($theFile_fp, 2);
// continue when lock is obtained
if ($lock) {
$db = readDatabase($FileName);
// Pop each ExpiredPage object and send the email
while ($poppedExpiredPage = (array_pop($db))):
$pageURL = $poppedExpiredPage->url;
$pageOwner = $poppedExpiredPage->owner;
$pageExpiryDate = $poppedExpiredPage->expired;
$pageMessage = $poppedExpiredPage->message;
// Prepare the email
$mail_message = "This is to remind you that this web page...
\n $pageURL
\n...expired on $pageExpiryDate. Here is the reminder message (if any):
\n*** $pageMessage ***
\nYou will receive a reminder each day that this page is hit.
Please update the page as necessary, and remember to specify a new
expiry date.";
// Now [send the email] echo the email contents
echo "<html><head><title></title></head><body><pre>";
echo "\n\n pageOwner = ";
echo $pageOwner;
echo "\n pageURL = ";
echo $pageURL;
echo "\n mail_message = ";
echo $mail_message;
echo "</pre></body></html>";
endwhile;
} // unlock and close reminders file
$lock = flock($theFile_fp, 3);
fclose($theFile_fp);
}
/*
// MAIN PROGRAM
*/
$file = "ExpiryData.xml";
EmailExpiryMessages($file);
?>
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