← All changes | back/Libraries/Imap2/Roundcube/Utils.php +0 -145 11.0.1 → 11.1.1 View file →

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1		-<?php
2		-
3		-/**
4		- * +-----------------------------------------------------------------------+
5		- * | This file is part of the Roundcube Webmail client |
6		- * | |
7		- * | Copyright (C) The Roundcube Dev Team |
8		- * | Copyright (C) Kolab Systems AG |
9		- * | |
10		- * | Licensed under the GNU General Public License version 3 or |
11		- * | any later version with exceptions for skins & plugins. |
12		- * | See the README file for a full license statement. |
13		- * | |
14		- * | PURPOSE: |
15		- * | Utility class providing common functions |
16		- * +-----------------------------------------------------------------------+
17		- * | Author: Thomas Bruederli <[email protected]> |
18		- * | Author: Aleksander Machniak <[email protected]> |
19		- * +-----------------------------------------------------------------------+
20		- */
21		-
22		-namespace AcyMailing\Libraries\Imap2\Roundcube;
23		-
24		-use DateTimeZone;
25		-
26		-/**
27		- * Utility class providing common functions
28		- *
29		- * @package Framework
30		- * @subpackage Utils
31		- */
32		-class Utils
33		-{
34		- /**
35		- * Explode quoted string
36		- *
37		- * @param string $delimiter Delimiter expression string for preg_match()
38		- * @param string $string Input string
39		- *
40		- * @return array String items
41		- */
42		- public static function explode_quoted_string($delimiter, $string)
43		- {
44		- $result = [];
45		- $strlen = strlen($string);
46		-
47		- for ($q = $p = $i = 0 ; $i < $strlen ; $i++) {
48		- if ($string[$i] == "\"" && $string[$i - 1] != "\\") {
49		- $q = $q ? false : true;
50		- } elseif (!$q && preg_match("/$delimiter/", $string[$i])) {
51		- $result[] = substr($string, $p, $i - $p);
52		- $p = $i + 1;
53		- }
54		- }
55		-
56		- $result[] = (string)substr($string, $p);
57		-
58		- return $result;
59		- }
60		-
61		- /**
62		- * Improved equivalent to strtotime()
63		- *
64		- * @param string $date Date string
65		- * @param DateTimeZone $timezone Timezone to use for DateTime object
66		- *
67		- * @return int Unix timestamp
68		- */
69		- public static function strtotime($date, $timezone = null)
70		- {
71		- $date = self::clean_datestr($date);
72		- $tzname = $timezone ? ' '.$timezone->getName() : '';
73		-
74		- // unix timestamp
75		- if (is_numeric($date)) {
76		- return (int)$date;
77		- }
78		-
79		- // It can be very slow when provided string is not a date and very long
80		- if (strlen($date) > 128) {
81		- $date = substr($date, 0, 128);
82		- }
83		-
84		- // if date parsing fails, we have a date in non-rfc format.
85		- // remove token from the end and try again
86		- while (($ts = @strtotime($date.$tzname)) === false || $ts < 0) {
87		- if (($pos = strrpos($date, ' ')) === false) {
88		- break;
89		- }
90		-
91		- $date = rtrim(substr($date, 0, $pos));
92		- }
93		-
94		- return (int)$ts;
95		- }
96		-
97		- /**
98		- * Clean up date string for strtotime() input
99		- *
100		- * @param string $date Date string
101		- *
102		- * @return string Date string
103		- */
104		- public static function clean_datestr($date)
105		- {
106		- $date = trim($date);
107		-
108		- // check for MS Outlook vCard date format YYYYMMDD
109		- if (preg_match('/^([12][90]\d\d)([01]\d)([0123]\d)$/', $date, $m)) {
110		- return sprintf('%04d-%02d-%02d 00:00:00', intval($m[1]), intval($m[2]), intval($m[3]));
111		- }
112		-
113		- // Clean malformed data
114		- $date = preg_replace(
115		- [
116		- '/\(.*\)/', // remove RFC comments
117		- '/GMT\s*([+-][0-9]+)/', // support non-standard "GMTXXXX" literal
118		- '/[^a-z0-9\x20\x09:\/\.+-]/i', // remove any invalid characters
119		- '/\s*(Mon|Tue|Wed|Thu|Fri|Sat|Sun)\s*/i', // remove weekday names
120		- ],
121		- [
122		- '',
123		- '\\1',
124		- '',
125		- '',
126		- ],
127		- $date
128		- );
129		-
130		- $date = trim($date);
131		-
132		- // try to fix dd/mm vs. mm/dd discrepancy, we can't do more here
133		- if (preg_match('/^(\d{1,2})[.\/-](\d{1,2})[.\/-](\d{4})(\s.*)?$/', $date, $m)) {
134		- $mdy = $m[2] > 12 && $m[1] <= 12;
135		- $day = $mdy ? $m[2] : $m[1];
136		- $month = $mdy ? $m[1] : $m[2];
137		- $date = sprintf('%04d-%02d-%02d%s', $m[3], $month, $day, $m[4] ? : ' 00:00:00');
138		- } // I've found that YYYY.MM.DD is recognized wrong, so here's a fix
139		- elseif (preg_match('/^(\d{4})\.(\d{1,2})\.(\d{1,2})(\s.*)?$/', $date, $m)) {
140		- $date = sprintf('%04d-%02d-%02d%s', $m[1], $m[2], $m[3], $m[4] ? : ' 00:00:00');
141		- }
142		-
143		- return $date;
144		- }
145		-}