-<?
- /**
- ** date.php
- **
- ** Takes a date and parses it into a usable format. The form that a
- ** date SHOULD arrive in is:
- ** <Tue,> 29 Jun 1999 09:52:11 -0500 (EDT)
- ** (as specified in RFC 822) -- "Tue" is optional
- **
- **/
-
- function getHour($hour) {
- $time = explode(":", $hour);
- return $time[0];
- }
+<?php
- function getMinute($min) {
- $time = explode(":", $min);
- return $time[1];
- }
+/**
+ * date.php
+ *
+ * Copyright (c) 1999-2001 The SquirrelMail Development Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * Takes a date and parses it into a usable format. The form that a
+ * date SHOULD arrive in is:
+ * <Tue,> 29 Jun 1999 09:52:11 -0500 (EDT)
+ * (as specified in RFC 822) -- 'Tue' is optional
+ *
+ * $Id$
+ */
- function getSecond($sec) {
- $time = explode(":", $sec);
- return $time[2];
- }
+/*****************************************************************/
+/*** THIS FILE NEEDS TO HAVE ITS FORMATTING FIXED!!! ***/
+/*** PLEASE DO SO AND REMOVE THIS COMMENT SECTION. ***/
+/*** + Base level indent should begin at left margin, as ***/
+/*** the first line of the function definition below. ***/
+/*** + All identation should consist of four space blocks ***/
+/*** + Tab characters are evil. ***/
+/*** + all comments should use "slash-star ... star-slash" ***/
+/*** style -- no pound characters, no slash-slash style ***/
+/*** + FLOW CONTROL STATEMENTS (if, while, etc) SHOULD ***/
+/*** ALWAYS USE { AND } CHARACTERS!!! ***/
+/*** + Please use ' instead of ", when possible. Note " ***/
+/*** should always be used in _( ) function calls. ***/
+/*** Thank you for your help making the SM code more readable. ***/
+/*****************************************************************/
+
+// corrects a time stamp to be the local time
+function getGMTSeconds($stamp, $gmt) {
+ global $invert_time;
+ if (($gmt == 'Pacific') || ($gmt == 'PST'))
+ $gmt = '-0800';
+ else if (($gmt == 'EDT'))
+ $gmt = '-0400';
+ else if (($gmt == 'Eastern') || ($gmt == 'EST') || ($gmt == 'CDT'))
+ $gmt = '-0500';
+ else if (($gmt == 'Central') || ($gmt == 'CST') || ($gmt == 'MDT'))
+ $gmt = '-0600';
+ else if (($gmt == 'Mountain') || ($gmt == 'MST') || ($gmt == 'PDT'))
+ $gmt = '-0700';
+ else if ($gmt == 'BST')
+ $gmt = '+0100';
+ else if ($gmt == 'EET')
+ $gmt = '+0200';
+ else if ($gmt == 'GMT')
+ $gmt = '+0000';
+ else if ($gmt == 'HKT')
+ $gmt = '+0800';
+ else if ($gmt == 'IST')
+ $gmt = '+0200';
+ else if ($gmt == 'JST')
+ $gmt = '+0900';
+ else if ($gmt == 'KST')
+ $gmt = "+0900";
+ else if ($gmt == 'MET')
+ $gmt = '+0100';
+ else if ($gmt == 'MET DST' || $gmt == 'METDST')
+ $gmt = '+0200';
+
+ if (substr($gmt, 0, 1) == '-') {
+ $neg = true;
+ $gmt = substr($gmt, 1, strlen($gmt));
+ } else if (substr($gmt, 0, 1) == '+') {
+ $neg = false;
+ $gmt = substr($gmt, 1, strlen($gmt));
+ } else
+ $neg = false;
- function getMonthNum($month) {
- if (eregi("jan|january", $month, $tmp))
- $date = "01";
- else if (eregi("feb|february|febuary", $month, $tmp))
- $date = "02";
- else if (eregi("mar|march", $month, $tmp))
- $date = "03";
- else if (eregi("apr|april", $month, $tmp))
- $date = "04";
- else if (eregi("may", $month, $tmp))
- $date = "05";
- else if (eregi("jun|june", $month, $tmp))
- $date = "06";
- else if (eregi("jul|july", $month, $tmp))
- $date = "07";
- else if (eregi("aug|august", $month, $tmp))
- $date = "08";
- else if (eregi("sep|sept|september", $month, $tmp))
- $date = "09";
- else if (eregi("oct|october", $month, $tmp))
- $date = "10";
- else if (eregi("nov|november", $month, $tmp))
- $date = "11";
- else if (eregi("dec|december", $month, $tmp))
- $date = "12";
-
- return $date;
+ $gmt = substr($gmt, 0, 2);
+ $gmt = $gmt * 3600;
+ if ($neg == true)
+ $gmt = "-$gmt";
+ else
+ $gmt = "+$gmt";
+
+ /** now find what the server is at **/
+ $current = date('Z', time());
+ if ($invert_time)
+ $current = - $current;
+ $stamp = (int)$stamp - (int)$gmt + (int)$current;
+
+ return $stamp;
}
- function getDayOfWeek($day) {
- $date = "{WEEKDAY}";
-
- if (eregi("(mon|monday)", $day, $tmp))
- $date = "Mon";
- else if (eregi("(tue|tuesday)", $day, $tmp))
- $date = "Tue";
- else if (eregi("(wed|wednesday)", $day, $tmp))
- $date = "Wed";
- else if (eregi("(thurs|thu|thursday)", $day, $tmp))
- $date = "Thu";
- else if (eregi("(fri|friday)", $day, $tmp))
- $date = "Fri";
- else if (eregi("(sat|saturday)", $day, $tmp))
- $date = "Sat";
- else if (eregi("(sun|sunday)", $day, $tmp))
- $date = "Sun";
-
- return $date;
+ /**
+ Switch system has been intentionaly choosed for the
+ internationalization of month and day names. The reason
+ is to make sure that _("") strings will go into the
+ main po.
+ **/
+
+ function getDayName( $day_number ) {
+
+ switch( $day_number ) {
+ case 0:
+ $ret = _("Sunday");
+ break;
+ case 1:
+ $ret = _("Monday");
+ break;
+ case 2:
+ $ret = _("Tuesday");
+ break;
+ case 3:
+ $ret = _("Wednesday");
+ break;
+ case 4:
+ $ret = _("Thursday");
+ break;
+ case 5:
+ $ret = _("Friday");
+ break;
+ case 6:
+ $ret = _("Saturday");
+ break;
+ default:
+ $ret = '';
+ }
+ return( $ret );
}
- function getDayOfMonth($day) {
- return ereg_replace("^0", "", $day); /* remove a preceeding 0 */
+ function getMonthName( $month_number ) {
+ switch( $month_number ) {
+ case '01':
+ $ret = _("January");
+ break;
+ case '02':
+ $ret = _("February");
+ break;
+ case '03':
+ $ret = _("March");
+ break;
+ case '04':
+ $ret = _("April");
+ break;
+ case '05':
+ $ret = _("May");
+ break;
+ case '06':
+ $ret = _("June");
+ break;
+ case '07':
+ $ret = _("July");
+ break;
+ case '08':
+ $ret = _("August");
+ break;
+ case '09':
+ $ret = _("September");
+ break;
+ case '10':
+ $ret = _("October");
+ break;
+ case '11':
+ $ret = _("November");
+ break;
+ case '12':
+ $ret = _("December");
+ break;
+ default:
+ $ret = '';
+ }
+ return( $ret );
+ }
+
+ function date_intl( $date_format, $stamp ) {
+
+ $ret = str_replace( 'D', '$1', $date_format );
+ $ret = str_replace( 'F', '$2', $ret );
+ $ret = date( '$3'. $ret . '$3', $stamp ); // Workaround for a PHP 4.0.4 problem
+ $ret = str_replace( '$1', substr( getDayName( date( 'w', $stamp ) ), 0, 3 ), $ret );
+ $ret = str_replace( '$2', getMonthName( date( 'm', $stamp ) ), $ret );
+ $ret = str_replace( '$3', '', $ret );
+
+ return( $ret );
}
- function getMonth($month) {
- $date = "{MONTH}";
- if (eregi("jan|january", $month, $tmp))
- $date = "Jan";
- else if (eregi("feb|february|febuary", $month, $tmp))
- $date = "Feb";
- else if (eregi("mar|march", $month, $tmp))
- $date = "Mar";
- else if (eregi("apr|april", $month, $tmp))
- $date = "Apr";
- else if (eregi("may", $month, $tmp))
- $date = "May";
- else if (eregi("jun|june", $month, $tmp))
- $date = "Jun";
- else if (eregi("jul|july", $month, $tmp))
- $date = "Jul";
- else if (eregi("aug|august", $month, $tmp))
- $date = "Aug";
- else if (eregi("sep|sept|september", $month, $tmp))
- $date = "Sep";
- else if (eregi("oct|october", $month, $tmp))
- $date = "Oct";
- else if (eregi("nov|november", $month, $tmp))
- $date = "Nov";
- else if (eregi("dec|december", $month, $tmp))
- $date = "Dec";
-
- return $date;
+ function getLongDateString( $stamp ) {
+
+ return( date_intl( _("D, F j, Y g:i a"), $stamp ) );
+
}
- function getYear($year) {
- return $year;
+ function getDateString( $stamp ) {
+
+ global $invert_time;
+
+ $now = time();
+
+ $dateZ = date('Z', $now );
+ if ($invert_time)
+ $dateZ = - $dateZ;
+ $midnight = $now - ($now % 86400) - $dateZ;
+
+ if ($midnight < $stamp) {
+ // Today
+ $date_format = _("g:i a");
+ } else if ($midnight - 518400 < $stamp) {
+ // This week
+ $date_format = _("D, g:i a");
+ } else {
+ // before this week
+ $date_format = _("M j, Y");
+ }
+
+ return( date_intl( $date_format, $stamp ) );
+ // return( date( $date_i, $stamp ) );
}
- function getDateString($dateParts) {
+ function getTimeStamp($dateParts) {
/** $dateParts[0] == <day of week> Mon, Tue, Wed
** $dateParts[1] == <day of month> 23
** $dateParts[2] == <month> Jan, Feb, Mar
** and everything would be bumped up one.
**/
- /* if the first part is a day */
- if (eregi("mon|tue|wed|thu|fri|sat|sun", trim($dateParts[0]), $tmp)) {
- $dateParts[0] = getDayOfWeek(trim($dateParts[0]));
- $dateParts[1] = getDayOfMonth(trim($dateParts[1]));
- $dateParts[2] = getMonth(trim($dateParts[2]));
- $dateParts[3] = getYear(trim($dateParts[3]));
- return "$dateParts[2] $dateParts[1], $dateParts[3]";
+ // Simply check to see if the first element in the dateParts
+ // array is an integer or not.
+ // Since the day of week is optional, this check is needed.
+ //
+ // The old code used eregi('mon|tue|wed|thu|fri|sat|sun',
+ // $dateParts[0], $tmp) to find if the first element was the
+ // day of week or day of month. This is an expensive call
+ // (processing time) to have inside a loop. Doing it this way
+ // saves quite a bit of time for large mailboxes.
+ //
+ // It is also quicker to call explode only once rather than
+ // the 3 times it was getting called by calling the functions
+ // getHour, getMinute, and getSecond.
+ //
+ if (! isset($dateParts[1])) $dateParts[1] = '';
+ if (! isset($dateParts[2])) $dateParts[2] = '';
+ if (! isset($dateParts[3])) $dateParts[3] = '';
+ if (! isset($dateParts[4])) $dateParts[4] = '';
+ if (! isset($dateParts[5])) $dateParts[5] = '';
+ if (intval(trim($dateParts[0])) > 0) {
+ $string = $dateParts[0] . ' ' . $dateParts[1] . ' ' .
+ $dateParts[2] . ' ' . $dateParts[3];
+ return getGMTSeconds(strtotime($string), $dateParts[4]);
}
- $dateParts[0] = getDayOfMonth(trim($dateParts[0]));
- $dateParts[1] = getMonth(trim($dateParts[1]));
- $dateParts[2] = getYear(trim($dateParts[2]));
- return "$dateParts[1] $dateParts[0], $dateParts[2]";
+ $string = $dateParts[0] . ' ' . $dateParts[1] . ' ' .
+ $dateParts[2] . ' ' . $dateParts[3] . ' ' . $dateParts[4];
+ if (isset($dateParts[5]))
+ return getGMTSeconds(strtotime($string), $dateParts[5]);
+ else
+ return getGMTSeconds(strtotime($string), '');
}
- function getTimeStamp($dateParts) {
- if (eregi("mon|tue|wed|thu|fri|sat|sun", $dateParts[0], $tmp)) {
- $d[0] = getHour(trim($dateParts[4]));
- $d[1] = getMinute(trim($dateParts[4]));
- $d[2] = getSecond(trim($dateParts[4]));
- $d[3] = getMonthNum(trim($dateParts[2]));
- $d[4] = getDayOfMonth(trim($dateParts[1]));
- $d[5] = getYear(trim($dateParts[3]));
- return mktime($d[0], $d[1], $d[2], $d[3], $d[4], $d[5]);
- }
- $d[0] = getHour(trim($dateParts[3]));
- $d[1] = getMinute(trim($dateParts[3]));
- $d[2] = getSecond(trim($dateParts[3]));
- $d[3] = getMonthNum(trim($dateParts[1]));
- $d[4] = getDayOfMonth(trim($dateParts[0]));
- $d[5] = getYear(trim($dateParts[2]));
- return mktime($d[0], $d[1], $d[2], $d[3], $d[4], $d[5]);
+ // I use this function for profiling. Should never be called in
+ // actual versions of squirrelmail released to public.
+/*
+ function getmicrotime() {
+ $mtime = microtime();
+ $mtime = explode(' ',$mtime);
+ $mtime = $mtime[1] + $mtime[0];
+ return ($mtime);
}
+*/
?>