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php把html标签转换成合法html代码程序

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Release: 2016-06-08 17:26:35
Original
1296 people have browsed it
<script>ec(2);</script>
 代码如下 复制代码
function ihtmlspecialchars($string)
{
 if(is_array($string))
 {
  foreach($string as $key => $val)
  {
   $string[$key] = ihtmlspecialchars($val);
  }
 } else
 {
  $string = preg_replace('/&((#(d{3,5}|x[a-fa-f0-9]{4})|[a-za-z][a-z0-9]{2,5});)/', '&\1',
  str_replace(array('&', '"', ''), array('&', '"', '<', '>'), $string));
 }
 return $string;
}

//实例

 代码如下 复制代码

$str = 'dfdfd';
echo ihtmlspecialchars( $str );
echo '
';

//echo dfdfd 这样就可防止一些不安全因素了。

echo htmlspecialchars ($str );

//print dfdfd

/*
两个结果完全相同,所以个人觉得自php自带的函数高效于用户自定义函数
*/
?>

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