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