* Name: escape
* Purpose: escape string for output
*
* @link http://www.smarty.net/manual/en/language.modifier.count.characters.php count_characters (Smarty online manual)
* @author Monte Ohrt
* @param string $string input string
* @param string $esc_type escape type
* @param string $char_set character set, used for htmlspecialchars() or htmlentities()
* @param boolean $double_encode encode already encoded entitites again, used for htmlspecialchars() or htmlentities()
* @return string escaped input string
*/
function smarty_modifier_escape($string, $esc_type = 'html', $char_set = null, $double_encode = true)
{
if (!$char_set) {
$char_set = SMARTY_RESOURCE_CHAR_SET;
}
switch ($esc_type) {
case 'html':
return htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
case 'htmlall':
if (SMARTY_MBSTRING /* ^phpunit */ && empty($_SERVER['SMARTY_PHPUNIT_DISABLE_MBSTRING'])/* phpunit$ */) {
// mb_convert_encoding ignores htmlspecialchars()
$string = htmlspecialchars($string, ENT_QUOTES, $char_set, $double_encode);
// htmlentities() won't convert everything, so use mb_convert_encoding
return mb_convert_encoding($string, 'HTML-ENTITIES', $char_set);
}
// no MBString fallback
return htmlentities($string, ENT_QUOTES, $char_set, $double_encode);
case 'url':
return rawurlencode($string);
case 'urlpathinfo':
return str_replace('%2F', '/', rawurlencode($string));
case 'quotes':
// escape unescaped single quotes
return preg_replace("%(? '\\\\', "'" => "\\'", '"' => '\\"', "\r" => '\\r', "\n" => '\\n', ' '<\/'));
case 'mail':
if (SMARTY_MBSTRING /* ^phpunit */ && empty($_SERVER['SMARTY_PHPUNIT_DISABLE_MBSTRING'])/* phpunit$ */) {
require_once(SMARTY_PLUGINS_DIR . 'shared.mb_str_replace.php');
return smarty_mb_str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
}
// no MBString fallback
return str_replace(array('@', '.'), array(' [AT] ', ' [DOT] '), $string);
case 'nonstd':
// escape non-standard chars, such as ms document quotes
$return = '';
if (SMARTY_MBSTRING /* ^phpunit */ && empty($_SERVER['SMARTY_PHPUNIT_DISABLE_MBSTRING'])/* phpunit$ */) {
require_once(SMARTY_PLUGINS_DIR . 'shared.mb_unicode.php');
foreach (smarty_mb_to_unicode($string, SMARTY_RESOURCE_CHAR_SET) as $unicode) {
if ($unicode >= 126) {
$return .= '&#' . $unicode . ';';
} else {
$return .= chr($unicode);
}
}
return $return;
}
$_length = strlen($string);
for ($_i = 0; $_i < $_length; $_i++) {
$_ord = ord(substr($string, $_i, 1));
// non-standard char, escape it
if ($_ord >= 126) {
$return .= '&#' . $_ord . ';';
} else {
$return .= substr($string, $_i, 1);
}
}
return $return;
default:
return $string;
}
}
?>