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1 | <?php
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2 | /**
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3 | * Smarty shared plugin
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4 | * @package Smarty
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5 | * @subpackage plugins
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6 | */
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7 |
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8 |
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9 | /**
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10 | * escape_special_chars common function
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11 | *
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12 | * Function: smarty_function_escape_special_chars<br>
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13 | * Purpose: used by other smarty functions to escape
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14 | * special chars except for already escaped ones
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15 | * @author Monte Ohrt <monte at ohrt dot com>
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16 | * @param string
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17 | * @return string
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18 | */
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19 | function smarty_function_escape_special_chars($string)
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20 | {
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21 | if(!is_array($string)) {
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22 | $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
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23 | $string = htmlspecialchars($string);
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24 | $string = str_replace(array('%%%SMARTY_START%%%','%%%SMARTY_END%%%'), array('&',';'), $string);
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25 | }
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26 | return $string;
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27 | }
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28 |
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29 | /* vim: set expandtab: */
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30 |
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31 | ?>
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