| 1 | <?php | 
| 2 | /** | 
| 3 | * Smarty plugin | 
| 4 | * @package Smarty | 
| 5 | * @subpackage plugins | 
| 6 | */ | 
| 7 |  | 
| 8 |  | 
| 9 | /** | 
| 10 | * Smarty escape modifier plugin | 
| 11 | * | 
| 12 | * Type:     modifier<br> | 
| 13 | * Name:     escape<br> | 
| 14 | * Purpose:  Escape the string according to escapement type | 
| 15 | * @link http://smarty.php.net/manual/en/language.modifier.escape.php | 
| 16 | *          escape (Smarty online manual) | 
| 17 | * @param string | 
| 18 | * @param html|htmlall|url|quotes|hex|hexentity|javascript | 
| 19 | * @return string | 
| 20 | */ | 
| 21 | function smarty_modifier_escape($string, $esc_type = 'html') | 
| 22 | { | 
| 23 | switch ($esc_type) { | 
| 24 | case 'html': | 
| 25 | return htmlspecialchars($string, ENT_QUOTES); | 
| 26 |  | 
| 27 | case 'htmlall': | 
| 28 | return htmlentities($string, ENT_QUOTES); | 
| 29 |  | 
| 30 | case 'url': | 
| 31 | return urlencode($string); | 
| 32 |  | 
| 33 | case 'quotes': | 
| 34 | // escape unescaped single quotes | 
| 35 | return preg_replace("%(?<!\\\\)'%", "\\'", $string); | 
| 36 |  | 
| 37 | case 'hex': | 
| 38 | // escape every character into hex | 
| 39 | $return = ''; | 
| 40 | for ($x=0; $x < strlen($string); $x++) { | 
| 41 | $return .= '%' . bin2hex($string[$x]); | 
| 42 | } | 
| 43 | return $return; | 
| 44 |  | 
| 45 | case 'hexentity': | 
| 46 | $return = ''; | 
| 47 | for ($x=0; $x < strlen($string); $x++) { | 
| 48 | $return .= '&#x' . bin2hex($string[$x]) . ';'; | 
| 49 | } | 
| 50 | return $return; | 
| 51 |  | 
| 52 | case 'decentity': | 
| 53 | $return = ''; | 
| 54 | for ($x=0; $x < strlen($string); $x++) { | 
| 55 | $return .= '&#' . ord($string[$x]) . ';'; | 
| 56 | } | 
| 57 | return $return; | 
| 58 |  | 
| 59 | case 'javascript': | 
| 60 | // escape quotes and backslashes, newlines, etc. | 
| 61 | return strtr($string, array('\\'=>'\\\\',"'"=>"\\'",'"'=>'\\"',"\r"=>'\\r',"\n"=>'\\n','</'=>'<\/')); | 
| 62 |  | 
| 63 | case 'mail': | 
| 64 | // safe way to display e-mail address on a web page | 
| 65 | return str_replace(array('@', '.'),array(' [AT] ', ' [DOT] '), $string); | 
| 66 |  | 
| 67 | case 'nonstd': | 
| 68 | // escape non-standard chars, such as ms document quotes | 
| 69 | $_res = ''; | 
| 70 | for($_i = 0, $_len = strlen($string); $_i < $_len; $_i++) { | 
| 71 | $_ord = ord($string{$_i}); | 
| 72 | // non-standard char, escape it | 
| 73 | if($_ord >= 126){ | 
| 74 | $_res .= '&#' . $_ord . ';'; | 
| 75 | } | 
| 76 | else { | 
| 77 | $_res .= $string{$_i}; | 
| 78 | } | 
| 79 | } | 
| 80 | return $_res; | 
| 81 |  | 
| 82 | default: | 
| 83 | return $string; | 
| 84 | } | 
| 85 | } | 
| 86 |  | 
| 87 | /* vim: set expandtab: */ | 
| 88 |  | 
| 89 | ?> |