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<?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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* escape_special_chars common function
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* Function: smarty_function_escape_special_chars
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* Purpose: used by other smarty functions to escape
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* special chars except for already escaped ones
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*
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* @author Monte Ohrt <monte at ohrt dot com>
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*
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* @param string $string text that should by escaped
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*
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* @return string
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*/
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function smarty_function_escape_special_chars($string)
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{
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if (!is_array($string)) {
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if (version_compare(PHP_VERSION, '5.2.3', '>=')) {
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$string = htmlspecialchars($string, ENT_COMPAT, Smarty::$_CHARSET, false);
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} else {
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$string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
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$string = htmlspecialchars($string);
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$string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
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}
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}
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return $string;
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}
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