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.
64 lines
1.8 KiB
64 lines
1.8 KiB
<?php
|
|
|
|
/**
|
|
* BENNU - PHP iCalendar library
|
|
* (c) 2005-2006 Ioannis Papaioannou (pj@moodle.org). All rights reserved.
|
|
*
|
|
* Released under the LGPL.
|
|
*
|
|
* See http://bennu.sourceforge.net/ for more information and downloads.
|
|
*
|
|
* @author Ioannis Papaioannou
|
|
* @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
|
|
*/
|
|
|
|
class Bennu {
|
|
static function timestamp_to_datetime($t = NULL) {
|
|
if($t === NULL) {
|
|
$t = time();
|
|
}
|
|
return gmstrftime('%Y%m%dT%H%M%SZ', $t);
|
|
}
|
|
|
|
static function timestamp_to_date($t = NULL) {
|
|
if ($t === NULL) {
|
|
$t = time();
|
|
}
|
|
return gmstrftime('%Y%m%d', $t);
|
|
}
|
|
|
|
static function generate_guid() {
|
|
// Implemented as per the Network Working Group draft on UUIDs and GUIDs
|
|
|
|
// These two octets get special treatment
|
|
$time_hi_and_version = sprintf('%02x', (1 << 6) + mt_rand(0, 15)); // 0100 plus 4 random bits
|
|
$clock_seq_hi_and_reserved = sprintf('%02x', (1 << 7) + mt_rand(0, 63)); // 10 plus 6 random bits
|
|
|
|
// Need another 14 random octects
|
|
$pool = '';
|
|
for($i = 0; $i < 7; ++$i) {
|
|
$pool .= sprintf('%04x', mt_rand(0, 65535));
|
|
}
|
|
|
|
// time_low = 4 octets
|
|
$random = substr($pool, 0, 8).'-';
|
|
|
|
// time_mid = 2 octets
|
|
$random .= substr($pool, 8, 4).'-';
|
|
|
|
// time_high_and_version = 2 octets
|
|
$random .= $time_hi_and_version.substr($pool, 12, 2).'-';
|
|
|
|
// clock_seq_high_and_reserved = 1 octet
|
|
$random .= $clock_seq_hi_and_reserved;
|
|
|
|
// clock_seq_low = 1 octet
|
|
$random .= substr($pool, 13, 2).'-';
|
|
|
|
// node = 6 octets
|
|
$random .= substr($pool, 14, 12);
|
|
|
|
return $random;
|
|
}
|
|
}
|
|
|
|
|