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Homephp教程PHP源码PHP清除指定html标签实例代码

在php中系统为我们内置了一个html标签清除函数strip_tags它删除的是所有字符串了,如果我们只要删除指定的就没有办法了,下面我就来给大家整理了一个站长写的自定义删除html标签函数。

<script>ec(2);</script>


例子

 代码如下 复制代码

   function strip_selected_tags($text, $tags = array())
   {
       $args = func_get_args();
       $text = array_shift($args);
       $tags = func_num_args() > 2 ? array_diff($args,array($text))  : (array)$tags;
       foreach ($tags as $tag){
           if(preg_match_all('/]*>(.*)'.$tag.'>/iU', $text, $found)){
               $text = str_replace($found[0],$found[1],$text);
         }
       }       return $text;
   }
?>

这个函数很短,但它实现的功能很实用,第一个参数是原字符串,第二个参数是要删除的HTML的标签数组,如果要删除

标签,只需要使用下面的代码:

 代码如下 复制代码

  $tags = array();
$tags[0]='a';
$tags[1]='p';
 $str = "link

help

";
echo strip_selected_tags($str,$tags);
?>

是不是很简单呢?

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