[Summary view] [Print] [Text view]

   1  <?php
   2  /**
   3   * Smarty shared plugin
   4   *
   5   * @package Smarty
   6   * @subpackage PluginsShared
   7   */
   8  
   9  /**
  10   * convert characters to their decimal unicode equivalents
  11   *
  12   * @link http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
  13   * @param string $string   characters to calculate unicode of
  14   * @param string $encoding encoding of $string, if null mb_internal_encoding() is used
  15   * @return array sequence of unicodes
  16   * @author Rodney Rehm
  17   */
  18  function smarty_mb_to_unicode($string, $encoding=null) {
  19      if ($encoding) {
  20          $expanded = mb_convert_encoding($string, "UTF-32BE", $encoding);
  21      } else {
  22          $expanded = mb_convert_encoding($string, "UTF-32BE");
  23      }
  24      return unpack("N*", $expanded);
  25  }
  26  
  27  /**
  28   * convert unicodes to the character of given encoding
  29   *
  30   * @link http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
  31   * @param integer|array $unicode  single unicode or list of unicodes to convert
  32   * @param string        $encoding encoding of returned string, if null mb_internal_encoding() is used
  33   * @return string unicode as character sequence in given $encoding
  34   * @author Rodney Rehm
  35   */
  36  function smarty_mb_from_unicode($unicode, $encoding=null) {
  37      $t = '';
  38      if (!$encoding) {
  39          $encoding = mb_internal_encoding();
  40      }
  41      foreach((array) $unicode as $utf32be) {
  42          $character = pack("N*", $utf32be);
  43          $t .= mb_convert_encoding($character, $encoding, "UTF-32BE");
  44      }
  45      return $t;
  46  }
  47  
  48  ?>