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modifier.date_format.php 2.2KB

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  1. <?php
  2. /**
  3. * Smarty plugin
  4. *
  5. * @package Smarty
  6. * @subpackage PluginsModifier
  7. */
  8. /**
  9. * Smarty date_format modifier plugin
  10. * Type: modifier<br>
  11. * Name: date_format<br>
  12. * Purpose: format datestamps via strftime<br>
  13. * Input:<br>
  14. * - string: input date string
  15. * - format: strftime format for output
  16. * - default_date: default date if $string is empty
  17. *
  18. * @link http://www.smarty.net/manual/en/language.modifier.date.format.php date_format (Smarty online manual)
  19. * @author Monte Ohrt <monte at ohrt dot com>
  20. *
  21. * @param string $string input date string
  22. * @param string $format strftime format for output
  23. * @param string $default_date default date if $string is empty
  24. * @param string $formatter either 'strftime' or 'auto'
  25. *
  26. * @return string |void
  27. * @uses smarty_make_timestamp()
  28. */
  29. function smarty_modifier_date_format($string, $format = null, $default_date = '', $formatter = 'auto')
  30. {
  31. if ($format === null) {
  32. $format = Smarty::$_DATE_FORMAT;
  33. }
  34. /**
  35. * require_once the {@link shared.make_timestamp.php} plugin
  36. */
  37. require_once(SMARTY_PLUGINS_DIR . 'shared.make_timestamp.php');
  38. if ($string != '' && $string != '0000-00-00' && $string != '0000-00-00 00:00:00') {
  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. }