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1 | <?php |
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2 | |
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3 | /** |
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4 | * date.php |
5 | * |
6 | * Copyright (c) 1999-2001 The Squirrelmail Development Team |
7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
8 | * |
9 | * Takes a date and parses it into a usable format. The form that a |
10 | * date SHOULD arrive in is: |
11 | * <Tue,> 29 Jun 1999 09:52:11 -0500 (EDT) |
12 | * (as specified in RFC 822) -- 'Tue' is optional |
13 | * |
14 | * $Id$ |
15 | */ |
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16 | |
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17 | // corrects a time stamp to be the local time |
18 | function getGMTSeconds($stamp, $gmt) { |
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19 | global $invert_time; |
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20 | if (($gmt == 'Pacific') || ($gmt == 'PST')) |
21 | $gmt = '-0800'; |
22 | else if (($gmt == 'EDT')) |
23 | $gmt = '-0400'; |
24 | else if (($gmt == 'Eastern') || ($gmt == 'EST') || ($gmt == 'CDT')) |
25 | $gmt = '-0500'; |
26 | else if (($gmt == 'Central') || ($gmt == 'CST') || ($gmt == 'MDT')) |
27 | $gmt = '-0600'; |
28 | else if (($gmt == 'Mountain') || ($gmt == 'MST') || ($gmt == 'PDT')) |
29 | $gmt = '-0700'; |
30 | else if ($gmt == 'BST') |
31 | $gmt = '+0100'; |
32 | else if ($gmt == 'EET') |
33 | $gmt = '+0200'; |
34 | else if ($gmt == 'GMT') |
35 | $gmt = '+0000'; |
36 | else if ($gmt == 'HKT') |
37 | $gmt = '+0800'; |
38 | else if ($gmt == 'IST') |
39 | $gmt = '+0200'; |
40 | else if ($gmt == 'JST') |
41 | $gmt = '+0900'; |
f435778e |
42 | else if ($gmt == 'KST') |
43 | $gmt = "+0900"; |
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44 | else if ($gmt == 'MET') |
45 | $gmt = '+0100'; |
46 | else if ($gmt == 'MET DST' || $gmt == 'METDST') |
47 | $gmt = '+0200'; |
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48 | |
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49 | if (substr($gmt, 0, 1) == '-') { |
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50 | $neg = true; |
51 | $gmt = substr($gmt, 1, strlen($gmt)); |
b9bfd165 |
52 | } else if (substr($gmt, 0, 1) == '+') { |
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53 | $neg = false; |
54 | $gmt = substr($gmt, 1, strlen($gmt)); |
55 | } else |
56 | $neg = false; |
57 | |
58 | $gmt = substr($gmt, 0, 2); |
59 | $gmt = $gmt * 3600; |
60 | if ($neg == true) |
61 | $gmt = "-$gmt"; |
62 | else |
63 | $gmt = "+$gmt"; |
64 | |
65 | /** now find what the server is at **/ |
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66 | $current = date('Z', time()); |
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67 | if ($invert_time) |
68 | $current = - $current; |
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69 | $stamp = (int)$stamp - (int)$gmt + (int)$current; |
70 | |
71 | return $stamp; |
72 | } |
73 | |
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74 | /** |
75 | Switch system has been intentionaly choosed for the |
76 | internationalization of month and day names. The reason |
77 | is to make sure that _("") strings will go into the |
78 | main po. |
79 | **/ |
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80 | |
81 | function getDayName( $day_number ) { |
82 | |
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83 | switch( $day_number ) { |
84 | case 0: |
85 | $ret = _("Sunday"); |
86 | break; |
87 | case 1: |
88 | $ret = _("Monday"); |
89 | break; |
90 | case 2: |
91 | $ret = _("Tuesday"); |
92 | break; |
93 | case 3: |
94 | $ret = _("Wednesday"); |
95 | break; |
96 | case 4: |
97 | $ret = _("Thursday"); |
98 | break; |
99 | case 5: |
100 | $ret = _("Friday"); |
101 | break; |
102 | case 6: |
103 | $ret = _("Saturday"); |
104 | break; |
105 | default: |
106 | $ret = ''; |
107 | } |
108 | return( $ret ); |
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109 | } |
110 | |
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111 | function getMonthName( $month_number ) { |
112 | switch( $month_number ) { |
113 | case '01': |
114 | $ret = _("January"); |
115 | break; |
116 | case '02': |
117 | $ret = _("February"); |
118 | break; |
119 | case '03': |
120 | $ret = _("March"); |
121 | break; |
122 | case '04': |
123 | $ret = _("April"); |
124 | break; |
125 | case '05': |
126 | $ret = _("May"); |
127 | break; |
128 | case '06': |
129 | $ret = _("June"); |
130 | break; |
131 | case '07': |
132 | $ret = _("July"); |
133 | break; |
134 | case '08': |
135 | $ret = _("August"); |
136 | break; |
137 | case '09': |
138 | $ret = _("September"); |
139 | break; |
140 | case '10': |
141 | $ret = _("October"); |
142 | break; |
143 | case '11': |
144 | $ret = _("November"); |
145 | break; |
146 | case '12': |
147 | $ret = _("December"); |
148 | break; |
149 | default: |
150 | $ret = ''; |
151 | } |
152 | return( $ret ); |
153 | } |
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154 | |
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155 | function date_intl( $date_format, $stamp ) { |
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156 | |
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157 | $ret = str_replace( 'D', '$1', $date_format ); |
158 | $ret = str_replace( 'F', '$2', $ret ); |
159 | $ret = date( '$3'. $ret . '$3', $stamp ); // Workaround for a PHP 4.0.4 problem |
160 | $ret = str_replace( '$1', substr( getDayName( date( 'w', $stamp ) ), 0, 3 ), $ret ); |
161 | $ret = str_replace( '$2', getMonthName( date( 'm', $stamp ) ), $ret ); |
162 | $ret = str_replace( '$3', '', $ret ); |
163 | |
164 | return( $ret ); |
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165 | } |
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166 | |
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167 | function getLongDateString( $stamp ) { |
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168 | |
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169 | return( date_intl( _("D, F j, Y g:i a"), $stamp ) ); |
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170 | |
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171 | } |
172 | |
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173 | function getDateString( $stamp ) { |
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174 | |
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175 | global $invert_time; |
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176 | |
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177 | $now = time(); |
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178 | |
179 | $dateZ = date('Z', $now ); |
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180 | if ($invert_time) |
181 | $dateZ = - $dateZ; |
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182 | $midnight = $now - ($now % 86400) - $dateZ; |
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183 | |
184 | if ($midnight < $stamp) { |
185 | // Today |
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186 | $date_format = _("g:i a"); |
187 | } else if ($midnight - 518400 < $stamp) { |
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188 | // This week |
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189 | $date_format = _("D, g:i a"); |
d68a3926 |
190 | } else { |
191 | // before this week |
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192 | $date_format = _("M j, Y"); |
d68a3926 |
193 | } |
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194 | |
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195 | return( date_intl( $date_format, $stamp ) ); |
196 | // return( date( $date_i, $stamp ) ); |
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197 | } |
198 | |
199 | function getTimeStamp($dateParts) { |
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200 | /** $dateParts[0] == <day of week> Mon, Tue, Wed |
201 | ** $dateParts[1] == <day of month> 23 |
202 | ** $dateParts[2] == <month> Jan, Feb, Mar |
203 | ** $dateParts[3] == <year> 1999 |
204 | ** $dateParts[4] == <time> 18:54:23 (HH:MM:SS) |
205 | ** $dateParts[5] == <from GMT> +0100 |
206 | ** $dateParts[6] == <zone> (EDT) |
207 | ** |
208 | ** NOTE: In RFC 822, it states that <day of week> is optional. |
209 | ** In that case, dateParts[0] would be the <day of month> |
210 | ** and everything would be bumped up one. |
211 | **/ |
212 | |
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213 | // Simply check to see if the first element in the dateParts |
214 | // array is an integer or not. |
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215 | // Since the day of week is optional, this check is needed. |
216 | // |
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217 | // The old code used eregi('mon|tue|wed|thu|fri|sat|sun', |
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218 | // $dateParts[0], $tmp) to find if the first element was the |
219 | // day of week or day of month. This is an expensive call |
220 | // (processing time) to have inside a loop. Doing it this way |
221 | // saves quite a bit of time for large mailboxes. |
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222 | // |
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223 | // It is also quicker to call explode only once rather than |
224 | // the 3 times it was getting called by calling the functions |
225 | // getHour, getMinute, and getSecond. |
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226 | // |
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227 | if (! isset($dateParts[1])) $dateParts[1] = ''; |
228 | if (! isset($dateParts[2])) $dateParts[2] = ''; |
229 | if (! isset($dateParts[3])) $dateParts[3] = ''; |
230 | if (! isset($dateParts[4])) $dateParts[4] = ''; |
231 | if (! isset($dateParts[5])) $dateParts[5] = ''; |
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232 | if (intval(trim($dateParts[0])) > 0) { |
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233 | $string = $dateParts[0] . ' ' . $dateParts[1] . ' ' . |
234 | $dateParts[2] . ' ' . $dateParts[3]; |
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235 | return getGMTSeconds(strtotime($string), $dateParts[4]); |
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236 | } |
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237 | $string = $dateParts[0] . ' ' . $dateParts[1] . ' ' . |
238 | $dateParts[2] . ' ' . $dateParts[3] . ' ' . $dateParts[4]; |
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239 | if (isset($dateParts[5])) |
240 | return getGMTSeconds(strtotime($string), $dateParts[5]); |
241 | else |
242 | return getGMTSeconds(strtotime($string), ''); |
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243 | } |
244 | |
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245 | // I use this function for profiling. Should never be called in |
246 | // actual versions of squirrelmail released to public. |
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247 | /* |
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248 | function getmicrotime() { |
249 | $mtime = microtime(); |
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250 | $mtime = explode(' ',$mtime); |
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251 | $mtime = $mtime[1] + $mtime[0]; |
252 | return ($mtime); |
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253 | } |
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254 | */ |
9fd23330 |
255 | ?> |