modifier.escape.php
上传用户:xjjlds
上传日期:2015-12-05
资源大小:22823k
文件大小:3k
- <?php
- /**
- * Smarty plugin
- * @package Smarty
- * @subpackage plugins
- */
- /**
- * Smarty escape modifier plugin
- *
- * Type: modifier<br>
- * Name: escape<br>
- * Purpose: Escape the string according to escapement type
- * @link http://smarty.php.net/manual/en/language.modifier.escape.php
- * escape (Smarty online manual)
- * @param string
- * @param html|htmlall|url|quotes|hex|hexentity|javascript
- * @return string
- */
- function smarty_modifier_escape($string, $esc_type = 'html')
- {
- switch ($esc_type) {
- case 'html':
- return htmlspecialchars($string, ENT_QUOTES);
- case 'htmlall':
- return htmlentities($string, ENT_QUOTES);
- case 'url':
- return urlencode($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;
- }
- }
- /* vim: set expandtab: */
- ?>