PEEL Shopping
Open source ecommerce : PEEL Shopping
modifier.escape.php
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1 <?php
24 function smarty_modifier_escape($string, $esc_type = 'html', $char_set = null, $double_encode = true)
25 {
26  static $_double_encode = null;
27  if ($_double_encode === null) {
28  $_double_encode = version_compare(PHP_VERSION, '5.2.3', '>=');
29  }
30 
31  if (!$char_set) {
32  $char_set = Smarty::$_CHARSET;
33  }
34 
35  switch ($esc_type) {
36  case 'html':
37  if ($_double_encode) {
38  // php >=5.3.2 - go native
39  return htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
40  } else {
41  if ($double_encode) {
42  // php <5.2.3 - only handle double encoding
43  return htmlspecialchars($string, ENT_QUOTES, $char_set);
44  } else {
45  // php <5.2.3 - prevent double encoding
46  $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
47  $string = htmlspecialchars($string, ENT_QUOTES, $char_set);
48  $string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
49  return $string;
50  }
51  }
52 
53  case 'htmlall':
54  if (Smarty::$_MBSTRING) {
55  // mb_convert_encoding ignores htmlspecialchars()
56  if ($_double_encode) {
57  // php >=5.3.2 - go native
58  $string = htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
59  } else {
60  if ($double_encode) {
61  // php <5.2.3 - only handle double encoding
62  $string = htmlspecialchars($string, ENT_QUOTES, $char_set);
63  } else {
64  // php <5.2.3 - prevent double encoding
65  $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
66  $string = htmlspecialchars($string, ENT_QUOTES, $char_set);
67  $string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
68  return $string;
69  }
70  }
71 
72  // htmlentities() won't convert everything, so use mb_convert_encoding
73  return mb_convert_encoding($string, 'HTML-ENTITIES', $char_set);
74  }
75 
76  // no MBString fallback
77  if ($_double_encode) {
78  return htmlentities($string, ENT_QUOTES, $char_set, $double_encode);
79  } else {
80  if ($double_encode) {
81  return htmlentities($string, ENT_QUOTES, $char_set);
82  } else {
83  $string = preg_replace('!&(#?\w+);!', '%%%SMARTY_START%%%\\1%%%SMARTY_END%%%', $string);
84  $string = htmlentities($string, ENT_QUOTES, $char_set);
85  $string = str_replace(array('%%%SMARTY_START%%%', '%%%SMARTY_END%%%'), array('&', ';'), $string);
86  return $string;
87  }
88  }
89 
90  case 'url':
91  return rawurlencode($string);
92 
93  case 'urlpathinfo':
94  return str_replace('%2F', '/', rawurlencode($string));
95 
96  case 'quotes':
97  // escape unescaped single quotes
98  return preg_replace("%(?<!\\\\)'%", "\\'", $string);
99 
100  case 'hex':
101  // escape every byte into hex
102  // Note that the UTF-8 encoded character รค will be represented as %c3%a4
103  $return = '';
104  $_length = strlen($string);
105  for ($x = 0; $x < $_length; $x++) {
106  $return .= '%' . bin2hex($string[$x]);
107  }
108  return $return;
109 
110  case 'hexentity':
111  $return = '';
112  if (Smarty::$_MBSTRING) {
113  require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
114  $return = '';
115  foreach (smarty_mb_to_unicode($string, Smarty::$_CHARSET) as $unicode) {
116  $return .= '&#x' . strtoupper(dechex($unicode)) . ';';
117  }
118  return $return;
119  }
120  // no MBString fallback
121  $_length = strlen($string);
122  for ($x = 0; $x < $_length; $x++) {
123  $return .= '&#x' . bin2hex($string[$x]) . ';';
124  }
125  return $return;
126 
127  case 'decentity':
128  $return = '';
129  if (Smarty::$_MBSTRING) {
130  require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
131  $return = '';
132  foreach (smarty_mb_to_unicode($string, Smarty::$_CHARSET) as $unicode) {
133  $return .= '&#' . $unicode . ';';
134  }
135  return $return;
136  }
137  // no MBString fallback
138  $_length = strlen($string);
139  for ($x = 0; $x < $_length; $x++) {
140  $return .= '&#' . ord($string[$x]) . ';';
141  }
142  return $return;
143 
144  case 'javascript':
145  // escape quotes and backslashes, newlines, etc.
146  return strtr($string, array('\\' => '\\\\', "'" => "\\'", '"' => '\\"', "\r" => '\\r', "\n" => '\\n', '</' => '<\/'));
147 
148  case 'mail':
149  if (Smarty::$_MBSTRING) {
150  require_once(SMARTY_PLUGINS_DIR . 'shared.mb_str_replace.php');
151  return smarty_mb_str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
152  }
153  // no MBString fallback
154  return str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
155 
156  case 'nonstd':
157  // escape non-standard chars, such as ms document quotes
158  $return = '';
159  if (Smarty::$_MBSTRING) {
160  require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
161  foreach (smarty_mb_to_unicode($string, Smarty::$_CHARSET) as $unicode) {
162  if ($unicode >= 126) {
163  $return .= '&#' . $unicode . ';';
164  } else {
165  $return .= chr($unicode);
166  }
167  }
168  return $return;
169  }
170 
171  $_length = strlen($string);
172  for ($_i = 0; $_i < $_length; $_i++) {
173  $_ord = ord(substr($string, $_i, 1));
174  // non-standard char, escape it
175  if ($_ord >= 126) {
176  $return .= '&#' . $_ord . ';';
177  } else {
178  $return .= substr($string, $_i, 1);
179  }
180  }
181  return $return;
182 
183  default:
184  return $string;
185  }
186 }
187 
188 ?>
static $_MBSTRING
Flag denoting if Multibyte String functions are available.
smarty_modifier_escape($string, $esc_type= 'html', $char_set=null, $double_encode=true)
Smarty escape modifier plugin.
static $_CHARSET
The character set to adhere to (e.g.
smarty_mb_to_unicode($string, $encoding=null)
convert characters to their decimal unicode equivalents

This documentation for Open ecommerce PEEL Shopping and PEEL.fr has been generated by Doxygen on Thu Oct 15 2015 14:41:16 - Peel ecommerce is a product of Agence web Advisto SAS. All rights reserved.