function clear_html_label($html) { $search = array ("'<script[^>]*?>.*?</script>'si", "'<[/!]*?[^<>]*?>'si", "'([rn])[s]+'", "'&(quot|#34);'i", "'&(amp|#38);'i", "'&(lt|#60);'i", "'&(gt|#62);'i", "'&(nbsp|#160);'i", "'&(iexcl|#161);'i", "'&(cent|#162);'i", "'&(pound|#163);'i", "'&(copy|#169);'i", "'&#(d+);'e"); $replace = array ("", "", "1", """, "&", "<", ">", " ", chr(161), chr(162), chr(163), chr(169), "chr(1)"); return preg_replace($search, $replace, $html); } //实例应用 $string ='aaa<br /> <script>fdsafsa'; echo clear_html_label($string);//aaa fdsafsa //利用php自带函数strip_tags(); www.zzarea.com echo strip_tags($string);//aaa fdsafsa