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   1  <?php
   2  /**
   3   * Smarty plugin
   4   * 
   5   * @package Smarty
   6   * @subpackage PluginsModifier
   7   */
   8  
   9  /**
  10   * Smarty date_format modifier plugin
  11   * 
  12   * Type:     modifier<br>
  13   * Name:     date_format<br>
  14   * Purpose:  format datestamps via strftime<br>
  15   * Input:<br>
  16   *          - string: input date string
  17   *          - format: strftime format for output
  18   *          - default_date: default date if $string is empty
  19   * 
  20   * @link http://www.smarty.net/manual/en/language.modifier.date.format.php date_format (Smarty online manual)
  21   * @author Monte Ohrt <monte at ohrt dot com> 
  22   * @param string $string       input date string
  23   * @param string $format       strftime format for output
  24   * @param string $default_date default date if $string is empty
  25   * @param string $formatter    either 'strftime' or 'auto'
  26   * @return string |void
  27   * @uses smarty_make_timestamp()
  28   */
  29  function smarty_modifier_date_format($string, $format=null, $default_date='', $formatter='auto')
  30  {
  31      if ($format === null) {
  32          $format = Smarty::$_DATE_FORMAT;
  33      }
  34      /**
  35      * Include the {@link shared.make_timestamp.php} plugin
  36      */
  37      require_once (SMARTY_PLUGINS_DIR . 'shared.make_timestamp.php');
  38      if ($string != '') {
  39          $timestamp = smarty_make_timestamp($string);
  40      } elseif ($default_date != '') {
  41          $timestamp = smarty_make_timestamp($default_date);
  42      } else {
  43          return;
  44      } 
  45      if($formatter=='strftime'||($formatter=='auto'&&strpos($format,'%')!==false)) {
  46          if (DS == '\\') {
  47              $_win_from = array('%D', '%h', '%n', '%r', '%R', '%t', '%T');
  48              $_win_to = array('%m/%d/%y', '%b', "\n", '%I:%M:%S %p', '%H:%M', "\t", '%H:%M:%S');
  49              if (strpos($format, '%e') !== false) {
  50                  $_win_from[] = '%e';
  51                  $_win_to[] = sprintf('%\' 2d', date('j', $timestamp));
  52              } 
  53              if (strpos($format, '%l') !== false) {
  54                  $_win_from[] = '%l';
  55                  $_win_to[] = sprintf('%\' 2d', date('h', $timestamp));
  56              } 
  57              $format = str_replace($_win_from, $_win_to, $format);
  58          } 
  59          return strftime($format, $timestamp);
  60      } else {
  61          return date($format, $timestamp);
  62      }
  63  } 
  64  
  65  ?>