This code still needs to be cleaned up some.
include('Drupal.login.php');
\$ics_contents = "BEGIN:VCALENDAR\n";
\$ics_contents .= "VERSION:2.0\n";
\$ics_contents .= "PRODID:PHP\n";
\$ics_contents .= "METHOD:PUBLISH\n";
\$ics_contents .= "X-WR-CALNAME:HacDC Schedule\n";
\# Change the timezone as well daylight settings if need be
\$ics_contents .= "X-WR-TIMEZONE:America/New_York\n";
\$ics_contents .= "BEGIN:VTIMEZONE\n";
\$ics_contents .= "TZID:America/New_York\n";
\$ics_contents .= "BEGIN:DAYLIGHT\n";
\$ics_contents .= "TZOFFSETFROM:-0500\n";
\$ics_contents .= "TZOFFSETTO:-0400\n";
\$ics_contents .= "DTSTART:20070311T020000\n";
\$ics_contents .= "RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=2SU\n";
\$ics_contents .= "TZNAME:EDT\n";
\$ics_contents .= "END:DAYLIGHT\n";
\$ics_contents .= "BEGIN:STANDARD\n";
\$ics_contents .= "TZOFFSETFROM:-0400\n";
\$ics_contents .= "TZOFFSETTO:-0500\n";
\$ics_contents .= "DTSTART:20071104T020000\n";
\$ics_contents .= "RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU\n";
\$ics_contents .= "TZNAME:EST\n";
\$ics_contents .= "END:STANDARD\n";
\$ics_contents .= "END:VTIMEZONE\n";
\$events = mysql_query("SELECT
node.nid AS nid,
node.title AS title,
node.changed as node_changed,
node.type AS node_type,
node.vid AS node_vid,
content_field_date.field_date_value as Start,
content_field_date.field_date_value2 as End
FROM (node
left join content_field_date on node.vid = content_field_date.vid)
WHERE type = 'event'
ORDER BY Start
");
function clean_url(\$desc) {
\$desc = html_entity_decode(\$desc);
\$desc = strip_tags(\$desc);
\$desc = ereg_replace("\[^A-Za-z0-9
-\|=\`~!@#\$%^&\*()_+,./?\>\<:;'{}\]", "", \$desc );
return \$desc;
}
while (\$schedule_details = mysql_fetch_assoc(\$events)) {
if (date('T', strtotime(\$schedule_details\['Start'\])) == "EDT") {
\$Offset = 4\*60\*60;
} else {
\$Offset = 5\*60\*60;
}
\$Start = strtotime(\$schedule_details\['Start'\])-\$Offset;
\$End = strtotime(\$schedule_details\['End'\])-\$Offset;
\$desc1 = mysql_query("SELECT \* from node_revisions
WHERE
nid = '".\$schedule_details\['nid'\]."' and
vid = '".\$schedule_details\['node_vid'\]."'");
\$desc1 = mysql_fetch_assoc(\$desc1);
\$Yr = date(Y,\$Start);
\$Mo = date(m,\$Start);
\$Day = date(d,\$Start);
\$Hr = date(H,\$Start);
\$Min = date(i,\$Start);
\$Yr1 = date(Y,\$End);
\$Mo1 = date(m,\$End);
\$Day1 = date(d,\$End);
\$Hr1 = date(H,\$End);
\$Min1 = date(i,\$End);
\$id = \$schedule_details\['nid'\];
\$start_date = \$Yr."-".\$Mo."-".\$Day;
\$start_time = \$Hr.":".\$Min.":00";
\$end_date = \$Yr1."-".\$Mo1."-".\$Day1;
\$end_time = \$Hr1.":".\$Min1.":00";
\$category = "HacDC";
\$name = \$schedule_details\['title'\];
\$location = "1525 Newton St NW, Washington DC 20010 (Near corner of
16th and Newton NW)";
\$description = clean_url(strip_tags(\$desc1\['body'\]));
\# Remove '-' in \$start_date and \$end_date
\$estart_date = str_replace("-", "", \$start_date);
\$eend_date = str_replace("-", "", \$end_date);
\# Remove ':' in \$start_time and \$end_time
\$estart_time = str_replace(":", "", \$start_time);
\$eend_time = str_replace(":", "", \$end_time);
\# Replace some HTML tags
\$name = str_replace("
", "\\r\\n", \$name);
\$name = str_replace("&", "&", \$name);
\$name = str_replace("→", "--\>", \$name);
\$name = str_replace("←", "\<--", \$name);
\$name = str_replace(",", "\\,", \$name);
\$name = str_replace(";", "\\;", \$name);
\$location = str_replace("
", "\\r\\n", \$location);
\$location = str_replace("&", "&", \$location);
\$location = str_replace("→", "--\>", \$location);
\$location = str_replace("←", "\<--", \$location);
\$location = str_replace(",", "\\,", \$location);
\$location = str_replace(";", "\\;", \$location);
\$description = str_replace("
", "\\r\\n", \$description);
\$description = str_replace("&", "&", \$description);
\$description = str_replace("→", "--\>", \$description);
\$description = str_replace("←", "\<--", \$description);
\$description = str_replace("
", "", \$description);
\$description = str_replace("", "", \$description);
\# Change TZID if need be
\$ics_contents .= "BEGIN:VEVENT\r\n";
\$ics_contents .= "DTSTART;TZID=America/New_York:" . \$estart_date .
"T". \$estart_time . "\r\n";
\$ics_contents .= "DTEND;TZID=America/New_York:" . \$eend_date . "T".
\$eend_time . "\r\n";
\$ics_contents .= "DTSTAMP:" . date('Ymd') . "T". date('His') .
"Z\r\n";
\$ics_contents .= "SUMMARY:" . \$name . "\r\n";
\$ics_contents .= "LOCATION:" . \$location . "\r\n";
\$ics_contents .= "DESCRIPTION:" . \$description . "\r\n";
\$ics_contents .= "UID:" . \$id .rand(0,9999). "\r\n";
\$ics_contents .= "SEQUENCE:0\r\n";
\$ics_contents .= "END:VEVENT\r\n";
}
\$ics_contents .= "END:VCALENDAR\r\n";
echo \$ics_contents;
