include/libs/template_lite/plugins/modifier.date.php

   1 <?php
   2 /**
   3  * template_lite date modifier plugin
   4  *
   5  * Type:     modifier
   6  * Name:     date
   7  * Purpose:  formats a date given a UNIX timestamp, based on the
   8  *           PHP "date" function
   9  * Input:
  10  *         - string: input date string
  11  *         - format: date format for output
  12  *         - default_date: default date if $string is empty
  13  */
  14 function tpl_modifier_date($string, $format="r", $default_date=null)
  15 {
  16         if($string != '')
  17         {
  18                 return date($format, tpl_make_timestamp($string));
  19         }
  20         elseif (isset($default_date) && $default_date != '')
  21         {
  22                 return date($format, tpl_make_timestamp($default_date));
  23         }
  24         else
  25         {
  26                 return;
  27         }
  28 }
  29
  30 if(!function_exists('tpl_make_timestamp'))
  31 {
  32         function tpl_make_timestamp($string)
  33         {
  34                 if(empty($string))
  35                 {
  36                         $string = "now";
  37                 }
  38                 $time = strtotime($string);
  39                 if (is_numeric($time) && $time != -1)
  40                 {
  41                         return $time;
  42                 }
  43
  44                 // is mysql timestamp format of YYYYMMDDHHMMSS?
  45                 if (is_numeric($string) && strlen($string) == 14)
  46                 {
  47                         $time = mktime(substr($string,8,2),substr($string,10,2),substr($string,12,2),substr($string,4,2),substr($string,6,2),substr($string,0,4));
  48                         return $time;
  49                 }
  50
  51                 // couldn't recognize it, try to return a time
  52                 $time = (int) $string;
  53                 if ($time > 0)
  54                 {
  55                         return $time;
  56                 }
  57                 else
  58                 {
  59                         return time();
  60                 }
  61         }
  62 }
  63 ?>