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