X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fdate.php;h=f38deda1bd2006eb0e769ec6bffbca62eec7949c;hb=c0d04f9753371080831e9e79f41d7b4756df83ab;hp=a22fea7eee3df1d540794b888061607e55d5398b;hpb=af354e93915b368eb721daca579cd48f36b25040;p=squirrelmail.git

diff --git a/functions/date.php b/functions/date.php
index a22fea7e..f38deda1 100644
--- a/functions/date.php
+++ b/functions/date.php
@@ -1,152 +1,301 @@
 <?php
-   /**
-    **  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
+
+/**
+ * date.php
+ *
+ * Copyright (c) 1999-2002 The SquirrelMail Project 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
+ *
+ * $Id$
+ */
+
+require_once(SM_PATH . 'functions/constants.php');
+
+/* corrects a time stamp to be the local time */
+function getGMTSeconds($stamp, $gmt) {
+    global $invert_time;
+
+    /* date couldn't be parsed */
+    if ($stamp == -1) {
+        return -1;
+    }
+
+    switch($gmt)
+    {
+        case 'Pacific':
+        case 'PST':
+            $gmt = '-0800';
+            break;
+        case 'Mountain':   
+        case 'MST':   
+        case 'PDT':   
+            $gmt = '-0700';     
+            break;
+        case 'Central':
+        case 'CST':
+        case 'MDT':   
+            $gmt = '-0600';     
+            break;
+        case 'Eastern':
+        case 'EST':
+        case 'CDT':   
+            $gmt = '-0500';     
+            break;
+        case 'EDT':
+            $gmt = '-0400';
+            break;
+        case 'GMT':   
+            $gmt = '+0000';     
+            break;
+        case 'BST':
+        case 'MET':   
+            $gmt = '+0100';     
+        case 'EET':
+        case 'IST':   
+        case 'MET DST':   
+        case 'METDST':   
+            $gmt = '+0200';     
+            break;
+        case 'HKT':   
+            $gmt = '+0800';     
+            break;
+        case 'JST':   
+        case 'KST':
+            $gmt = '+0900';     
+            break;
+    }
+    
+    if (substr($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;
+    }
+     
+    $difference = substr($gmt, 2, 2);
+    $gmt = substr($gmt, 0, 2);
+    $gmt = ($gmt + ($difference / 60)) * 3600;
+    if ($neg) {
+        $gmt = "-$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;
+}
+
+/**
+  Switch system has been intentionaly chosen 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 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 = str_replace( 'l', '$4', $ret );
+    $ret = str_replace( 'M', '$5', $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( '$5', substr( getMonthName( date( 'm', $stamp ) ), 0, 3 ), $ret );    
+    $ret = str_replace( '$2', getMonthName( date( 'm', $stamp ) ), $ret );
+    $ret = str_replace( '$4', getDayName( date( 'w', $stamp ) ), $ret );
+    $ret = str_replace( '$3', '', $ret );
+    
+    return( $ret );
+}
+
+function getLongDateString( $stamp ) {
+
+    global $hour_format;
+    
+    if ($stamp == -1) {
+        return '';
+    }
+
+    if ( $hour_format == SMPREF_TIME_12HR ) {
+        $date_format = _("D, F j, Y g:i a");
+    } else {
+        $date_format = _("D, F j, Y G:i");
+    }
+    
+    return( date_intl( $date_format, $stamp ) );
+
+}
+
+function getDateString( $stamp ) {
+
+    global $invert_time, $hour_format;
+
+    if ( $stamp == -1 ) {
+       return '';
+    }
+    
+    $now = time();
+    
+    $dateZ = date('Z', $now );
+    if ($invert_time) {
+        $dateZ = - $dateZ;
+    }
+    $midnight = $now - ($now % 86400) - $dateZ;
+    
+    if ($midnight < $stamp) {
+        /* Today */
+        if ( $hour_format == SMPREF_TIME_12HR ) {
+            $date_format = _("g:i a");
+        } else {
+            $date_format = _("G:i");
+        }
+    } else if ($midnight - 518400 < $stamp) {
+        /* This week */
+        if ( $hour_format == SMPREF_TIME_12HR ) {
+            $date_format = _("D, g:i a");
+        } else {
+            $date_format = _("D, G:i");
+        }
+    } else {
+        /* before this week */
+        $date_format = _("M j, Y");
+    }
+    
+    return( date_intl( $date_format, $stamp ) );
+}
+
+function getTimeStamp($dateParts) {
+    /** $dateParts[0] == <day of week>   Mon, Tue, Wed
+    ** $dateParts[1] == <day of month>  23
+    ** $dateParts[2] == <month>         Jan, Feb, Mar
+    ** $dateParts[3] == <year>          1999
+    ** $dateParts[4] == <time>          18:54:23 (HH:MM:SS)
+    ** $dateParts[5] == <from GMT>      +0100
+    ** $dateParts[6] == <zone>          (EDT)
     **
-    **  $Id$
+    ** NOTE:  In RFC 822, it states that <day of week> is optional.
+    **        In that case, dateParts[0] would be the <day of month>
+    **        and everything would be bumped up one.
     **/
-
-   if (defined ('date_php'))
-      return; 
-   define ('date_php', true);
    
-   // 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;
-
-      $gmt = substr($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;
-   }
+    /* 
+     * 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.
+     */
 
-   function getLongDateString($stamp) {
-      return date('D, F j, Y g:i a', $stamp);
-   }
+    $string = implode (' ', $dateParts);
 
-   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
-         return date('g:i a', $stamp);
-      } else if ($midnight - (60 * 60 * 24 * 6) < $stamp) {
-         // This week
-         return date('D, g:i a', $stamp);
-      } else {
-         // before this week 
-         return date('M j, Y', $stamp);
-      }
-   }
+    if (! isset($dateParts[4])) {
+        $dateParts[4] = '';
+    }
+    if (! isset($dateParts[5])) {
+        $dateParts[5] = '';
+    }
 
-   function getTimeStamp($dateParts) {
-      /** $dateParts[0] == <day of week>   Mon, Tue, Wed
-       ** $dateParts[1] == <day of month>  23
-       ** $dateParts[2] == <month>         Jan, Feb, Mar
-       ** $dateParts[3] == <year>          1999
-       ** $dateParts[4] == <time>          18:54:23 (HH:MM:SS)
-       ** $dateParts[5] == <from GMT>      +0100
-       ** $dateParts[6] == <zone>          (EDT)
-       **
-       ** NOTE:  In RFC 822, it states that <day of week> is optional.
-       **        In that case, dateParts[0] would be the <day of month>
-       **        and everything would be bumped up one.
-       **/
-
-      // 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]);
-      }
-      $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), '');
-   }
+    if (intval(trim($dateParts[0])) > 0) {
+        return getGMTSeconds(strtotime($string), $dateParts[4]);
+    }
+
+    return getGMTSeconds(strtotime($string), $dateParts[5]);
+}
 
-   // I use this function for profiling. Should never be called in
-   // actual versions of squirrelmail released to public.
+/* 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);
    }
+*/
 ?>