<?php
/**
* Smarty shared plugin
*
* @package Smarty
* @subpackage PluginsShared
*/
/**
* convert characters to their decimal unicode equivalents
*
* @link http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
* @param string $string characters to calculate unicode of
* @param string $encoding encoding of $string, if null mb_internal_encoding() is used
* @return array sequence of unicodes
* @author Rodney Rehm
*/
function smarty_mb_to_unicode($string, $encoding=null)
{
if ($encoding) {
$expanded = mb_convert_encoding($string, "UTF-32BE", $encoding);
} else {
$expanded = mb_convert_encoding($string, "UTF-32BE");
}
return unpack("N*", $expanded);
}
/**
* convert unicodes to the character of given encoding
*
* @link http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
* @param integer|array $unicode single unicode or list of unicodes to convert
* @param string $encoding encoding of returned string, if null mb_internal_encoding() is used
* @return string unicode as character sequence in given $encoding
* @author Rodney Rehm
*/
function smarty_mb_from_unicode($unicode, $encoding=null)
{
$t = '';
if (!$encoding) {
$encoding = mb_internal_encoding();
}
foreach ((array) $unicode as $utf32be) {
$character = pack("N*", $utf32be);
$t .= mb_convert_encoding($character, $encoding, "UTF-32BE");
}
return $t;
}
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