modifier.sanitize.php
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<?php
function smarty_modifier_sanitize($string, $esc_type = 'html', $charset='UTF-8')
{
// based on escape, but with charset
switch ($esc_type) {
case 'html':
return htmlspecialchars($string, ENT_QUOTES,$charset);
case 'htmlall':
return htmlentities($string, ENT_QUOTES,$charset);
case 'url':
return rawurlencode($string);
case 'quotes':
// escape unescaped single quotes
return preg_replace("%(?<!\\\\)'%", "\\'", $string);
case 'hex':
// escape every character into hex
$return = '';
for ($x=0; $x < strlen($string); $x++) {
$return .= '%' . bin2hex($string[$x]);
}
return $return;
case 'hexentity':
$return = '';
for ($x=0; $x < strlen($string); $x++) {
$return .= '&#x' . bin2hex($string[$x]) . ';';
}
return $return;
case 'decentity':
$return = '';
for ($x=0; $x < strlen($string); $x++) {
$return .= '&#' . ord($string[$x]) . ';';
}
return $return;
case 'javascript':
// escape quotes and backslashes, newlines, etc.
return strtr($string, array('\\'=>'\\\\',"'"=>"\\'",'"'=>'\\"',"\r"=>'\\r',"\n"=>'\\n','</'=>'<\/'));
case 'mail':
// safe way to display e-mail address on a web page
return str_replace(array('@', '.'),array(' [AT] ', ' [DOT] '), $string);
case 'nonstd':
// escape non-standard chars, such as ms document quotes
$_res = '';
for($_i = 0, $_len = strlen($string); $_i < $_len; $_i++) {
$_ord = ord($string{$_i});
// non-standard char, escape it
if($_ord >= 126){
$_res .= '&#' . $_ord . ';';
}
else {
$_res .= $string{$_i};
}
}
return $_res;
default:
return $string;
}
}
?>