You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
2.0 KiB
65 lines
2.0 KiB
<?php
|
|
/*
|
|
* Project: MagpieRSS: a simple RSS integration tool
|
|
* File: rss_utils.inc, utility methods for working with RSS
|
|
* Author: Kellan Elliott-McCrea <kellan@protest.net>
|
|
* Version: 0.51
|
|
* License: GPL
|
|
*
|
|
* The lastest version of MagpieRSS can be obtained from:
|
|
* http://magpierss.sourceforge.net
|
|
*
|
|
* For questions, help, comments, discussion, etc., please join the
|
|
* Magpie mailing list:
|
|
* magpierss-general@lists.sourceforge.net
|
|
*/
|
|
|
|
|
|
/*======================================================================*\
|
|
Function: parse_w3cdtf
|
|
Purpose: parse a W3CDTF date into unix epoch
|
|
|
|
NOTE: http://www.w3.org/TR/NOTE-datetime
|
|
\*======================================================================*/
|
|
|
|
function parse_w3cdtf ( $date_str ) {
|
|
|
|
# regex to match wc3dtf
|
|
$pat = "/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(:(\d{2}))?(?:([-+])(\d{2}):?(\d{2})|(Z))?/";
|
|
|
|
if ( preg_match( $pat, $date_str, $match ) ) {
|
|
list( $year, $month, $day, $hours, $minutes, $seconds) =
|
|
array( $match[1], $match[2], $match[3], $match[4], $match[5], $match[6]);
|
|
|
|
# calc epoch for current date assuming GMT
|
|
$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
|
|
|
|
$offset = 0;
|
|
if ( $match[10] == 'Z' ) {
|
|
# zulu time, aka GMT
|
|
}
|
|
else {
|
|
list( $tz_mod, $tz_hour, $tz_min ) =
|
|
array( $match[8], $match[9], $match[10]);
|
|
|
|
# zero out the variables
|
|
if ( ! $tz_hour ) { $tz_hour = 0; }
|
|
if ( ! $tz_min ) { $tz_min = 0; }
|
|
|
|
$offset_secs = (($tz_hour*60)+$tz_min)*60;
|
|
|
|
# is timezone ahead of GMT? then subtract offset
|
|
#
|
|
if ( $tz_mod == '+' ) {
|
|
$offset_secs = $offset_secs * -1;
|
|
}
|
|
|
|
$offset = $offset_secs;
|
|
}
|
|
$epoch = $epoch + $offset;
|
|
return $epoch;
|
|
}
|
|
else {
|
|
return -1;
|
|
}
|
|
} |