escape

escape可用于将变量编码或转换成 html, url, 单引号, 十六进制, 十六进制实体, javascript电邮地址。 默认是:html

参数顺序 类型 必选参数 允许取值 默认值 说明
1 string No html, htmlall, url, urlpathinfo, 单引号, 十六进制, 十六进制实体, javascript, 电邮地址 html 这是escape转换后的格式
2 string No ISO-8859-1, UTF-8, 和其他 htmlentities()支持的字符集 UTF-8 传递给htmlentities()的字符集类型
3 boolean No FALSE TRUE 两次转换实体,& 到 & (仅在 htmlhtmlall 使用)

Example 5.10. escape


<?php

$smarty->assign('articleTitle',
                "'Stiff Opposition Expected to Casketless Funeral Plan'"
                );
$smarty->assign('EmailAddress','smarty@example.com');

?>

   

下面是escape的例子和输出:


{$articleTitle}
'Stiff Opposition Expected to Casketless Funeral Plan'

{$articleTitle|escape}
&#039;Stiff Opposition Expected to Casketless Funeral Plan&#039;

{$articleTitle|escape:'html'}    {* escapes  & " ' < > *}
&#039;Stiff Opposition Expected to Casketless Funeral Plan&#039;

{$articleTitle|escape:'htmlall'} {* escapes ALL html entities *}
&#039;Stiff Opposition Expected to Casketless Funeral Plan&#039;

<a href="?title={$articleTitle|escape:'url'}">click here</a>
<a
href="?title=%27Stiff%20Opposition%20Expected%20to%20Casketless%20Funeral%20Plan%27">click here</a>

{$articleTitle|escape:'quotes'}
\'Stiff Opposition Expected to Casketless Funeral Plan\'

<a href="mailto:{$EmailAddress|escape:"hex"}">{$EmailAddress|escape:"hexentity"}</a>
{$EmailAddress|escape:'mail'}    {* this converts to email to text *}
<a href="mailto:%62%6f%..snip..%65%74">&#x62;&#x6f;&#x62..snip..&#x65;&#x74;</a>

{'mail@example.com'|escape:'mail'}
smarty [AT] example [DOT] com

   

Example 5.11. 另一个例子


{*  "rewind"参数是当前URL地址 *}
<a href="$my_path?page=foo&rewind=$my_uri|urlencode}">click here</a>

   

这个方法很适合用在电邮地址上,另外可以参见 {mailto}


{* 电邮地址编码 *}
<a href="mailto:{$EmailAddress|escape:'hex'}">{$EmailAddress|escape:'mail'}</a>

   

参见 Smarty编译转换, {mailto}混淆电邮地址