[TOC] ## 示例 ``` $text = '<p>Test paragraph.</p><!-- Comment --> <a href="#fragment">Other text</a>'; echo strip_tags($text)."\n"; // Test paragraph. Other text // 允许 <p> 和 <a> echo strip_tags($text, '<p><a>'); // <p>Test paragraph.</p> <a href="#fragment">Other text</a> ```