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<?PHP // $Id$
// This script looks through all the module directories for cron.php files
// and runs them. These files can contain cleanup functions, email functions
// or anything that needs to be run on a regular basis.
//
// This file is best run from cron on the host system (ie outside PHP).
// The script can either be invoked via the web server or via a standalone
// version of PHP compiled for CGI.
//
// eg wget -q -O /dev/null 'http://moodle.somewhere.edu/admin/cron.php'
// or php /web/moodle/admin/cron.php
require("../config.php");
echo "<PRE>\n";
$timenow = time();
// Run all cron jobs for each module
if ($mods = get_records_sql("SELECT * FROM modules WHERE cron > 0 AND (($timenow - lastcron) > cron)")) {
foreach ($mods as $mod) {
$libfile = "$CFG->dirroot/mod/$mod->name/lib.php";
if (file_exists($libfile)) {
include_once($libfile);
$cron_function = $mod->name."_cron";
if (function_exists($cron_function)) {
if ($cron_function()) {
if (! set_field("modules", "lastcron", $timenow, "id", $mod->id)) {
echo "Error: could not update timestamp for $mod->fullname\n";
}
}
}
}
}
}
// Any system-wide Moodle cron jobs should be run here
// Unsubscribe users who haven't logged in for $CFG->longtimenosee
if ($CFG->longtimenosee) { // value in days
$cutofftime = time() - ($CFG->longtimenosee * 3600 * 24);
if ($users = get_records_sql("SELECT u.* FROM user u, user_students s
WHERE lastaccess > '0' AND
lastaccess < '$cutofftime'
u.id = s.user GROUP BY u.id")) {
foreach ($users as $user) {
if (delete_records("user_students", "user", $user->id)) {
echo "Deleted student enrolment for $user->firstname $user->lastname ($user->id)\n";
}
}
}
}
// Delete users who haven't confirmed within seven days
$cutofftime = time() - (7 * 24 * 3600);
if ($users = get_records_sql("SELECT * FROM user
WHERE confirmed = '0' AND
firstaccess > '0' AND
firstaccess < '$cutofftime'")) {
foreach ($users as $user) {
if (delete_records("user", "id", $user->id)) {
echo "Deleted unconfirmed user for $user->firsname $user->lastname ($user->id)\n";
}
}
}
echo "Cron script completed correctly\n";
?>
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