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114 lines
3.7 KiB
PHP
114 lines
3.7 KiB
PHP
<?php
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/**
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* Smarty plugin
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*
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* @package Smarty
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* @subpackage PluginsModifier
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*/
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/**
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* Smarty escape modifier plugin
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*
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* Type: modifier<br>
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* Name: escape<br>
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* Purpose: escape string for output
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*
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* @link http://smarty.php.net/manual/en/language.modifier.count.characters.php count_characters (Smarty online manual)
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* @author Monte Ohrt <monte at ohrt dot com>
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* @param string $string input string
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* @param string $esc_type escape type
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* @param string $char_set character set
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* @return string escaped input string
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*/
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function smarty_modifier_escape($string, $esc_type = 'html', $char_set = SMARTY_RESOURCE_CHAR_SET)
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{
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if (!function_exists('mb_str_replace')) {
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// simulate the missing PHP mb_str_replace function
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function mb_str_replace($needles, $replacements, $haystack)
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{
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$rep = (array)$replacements;
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foreach ((array)$needles as $key => $needle) {
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$replacement = $rep[$key];
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$needle_len = mb_strlen($needle);
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$replacement_len = mb_strlen($replacement);
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$pos = mb_strpos($haystack, $needle, 0);
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while ($pos !== false) {
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$haystack = mb_substr($haystack, 0, $pos) . $replacement
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. mb_substr($haystack, $pos + $needle_len);
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$pos = mb_strpos($haystack, $needle, $pos + $replacement_len);
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}
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}
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return $haystack;
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}
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}
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switch ($esc_type) {
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case 'html':
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return htmlspecialchars($string, ENT_QUOTES, $char_set);
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case 'htmlall':
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return htmlentities($string, ENT_QUOTES, $char_set);
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case 'url':
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return rawurlencode($string);
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case 'urlpathinfo':
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return str_replace('%2F', '/', rawurlencode($string));
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case 'quotes':
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// escape unescaped single quotes
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return preg_replace("%(?<!\\\\)'%", "\\'", $string);
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case 'hex':
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// escape every character into hex
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$return = '';
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for ($x = 0; $x < strlen($string); $x++) {
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$return .= '%' . bin2hex($string[$x]);
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}
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return $return;
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case 'hexentity':
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$return = '';
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for ($x = 0; $x < strlen($string); $x++) {
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$return .= '&#x' . bin2hex($string[$x]) . ';';
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}
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return $return;
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case 'decentity':
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$return = '';
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for ($x = 0; $x < strlen($string); $x++) {
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$return .= '&#' . ord($string[$x]) . ';';
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}
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return $return;
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case 'javascript':
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// escape quotes and backslashes, newlines, etc.
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return strtr($string, array('\\' => '\\\\', "'" => "\\'", '"' => '\\"', "\r" => '\\r', "\n" => '\\n', '</' => '<\/'));
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case 'mail':
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// safe way to display e-mail address on a web page
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if (function_exists('mb_substr')) {
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return mb_str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
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} else {
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return str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
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}
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case 'nonstd':
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// escape non-standard chars, such as ms document quotes
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$_res = '';
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for($_i = 0, $_len = strlen($string); $_i < $_len; $_i++) {
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$_ord = ord(substr($string, $_i, 1));
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// non-standard char, escape it
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if ($_ord >= 126) {
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$_res .= '&#' . $_ord . ';';
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} else {
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$_res .= substr($string, $_i, 1);
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}
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}
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return $_res;
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default:
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return $string;
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}
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}
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?>
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