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PHP remove html tag function - strip_tags and htmlspecialchars

伊谢尔伦
Release： 2016-11-26 14:12:59
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1、strip_tags

功能：去掉 HTML 及 PHP 的标记。

语法: string strip_tags(string str);

返回值: 字符串

说明：本函式可去掉字符串中包含的任何HTML及 PHP 的标签。若是字符串的 HTML 及 PHP 标签原来就有错，例如少了大于的符号，则也会传回错误。

注意：遇到提炼文字内容是，会出现 这样的空格是无法通过上面的行数替换掉，这个时候需要单独使用str_replace进行特定替换

2、htmlspecialchars

功能：将特殊字元转成 HTML 格式。

语法: string htmlspecialchars(string string);

返回值: 字符串

本函式将特殊字元转成 HTML 的字串格式 ( &....; )。最常用到的场合可能就是处理客户留言的留言版了。

& (和) 转成 & 
" (双引号) 转成 " 
< (小于) 转成 &lt; 
> (大于) 转成 &gt;
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此函数只转换上面的特殊字元，并不会全部转换成 HTML 所定的 ASCII 转换。


Related labels：
html htmlspecialchars php strip_tags
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