部分强大的在线编辑器，已经包含了代码整理，过滤功能，但js处理的能被很轻易的饶过，服务端必须要再次过滤一次，这几天花了点时间，写了部分，希望对大家有点用处，本人能力有限，还请有能力的朋友补全它。



/*不需要过滤的数组*/
$htm_on=array(
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"font");

$htm_on_uper=array(
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"",
"font");

/*字符格式*/
$str=strtolower($str);
$str=preg_replace("//s+/", " ", $str);//过滤回车
$str=preg_replace("/ +/", " ", $str);//过滤多个空格

/*过滤/替换几种形式的js*/
$str=preg_replace("/(.*?)/si","",$str);//删除<script>&#12290;&#12290;&#12290;</script>格式，
//$str=preg_replace("/(.*?)/si","/1>//2/3>",$str);//替换为可以显示的，

$str=preg_replace("//si","",$str);//删除<script>&#26410;&#23553;&#38381;<br>//$str=preg_replace("/<(script.*?)>/si","<//1>",$str);//&#26367;&#25442;&#26410;&#23553;&#38381;<br><br>/*&#21024;&#38500;/&#26367;&#25442;&#34920;&#21333;*/<br>$str=preg_replace("/<(//?form.*?)>/si","",$str);//&#21024;&#38500;&#34920;&#21333;<br>//$str=preg_replace("/<(//?form.*?)>/si","<//1>",$str);//&#26367;&#25442;&#34920;&#21333;<br><br>$str=preg_replace("/<(i?frame.*?)>(.*?)<(//i?frame.*?)>/si","",$str);//&#21024;&#38500;&#26694;&#26550;<br>//$str=preg_replace("/<(i?frame.*?)>(.*?)<(//i?frame.*?)>/si","<//1>//2<//3>",$str);//&#26367;&#25442;&#26694;&#26550;<br><br>/*&#36807;&#28388;on&#20107;&#20214;*/<br>$str=preg_replace("/href=(.+?)([/"|/'| |>])/ie","'href='.strtoupper('//1').'//2'",$str);//&#25226;href=&#28041;&#21450;&#21040;&#30340;on&#36716;&#25442;&#20026;&#22823;&#20889;&#12290;<br>$str=str_replace($htm_on,$htm_on_uper,$str);//&#25226;<font,font>&#25442;&#20026;&#22823;&#20889;,d<a style="color:#f60; text-decoration:underline;" title= "html"href="https://m.php.cn/zt/15763.html" target="_blank">html&#26631;&#31614;&#23383;&#31526;&#65292;&#27491;&#21017;&#21028;&#26029;&#22826;&#28902;&#29712;&#65292;&#37319;&#29992;&#36716;&#25442;&#21150;&#27861;&#12290;<br>$str=preg_replace("/(on[^ /.<>]+?)([ |>])/s","//2",$str);//&#21462;&#25481;on&#20107;&#20214;<br><br>/*&#36807;&#28388;&#36229;&#32423;&#36830;&#25509;&#30340;js*/<br>$str=preg_replace("/(href|src|background|url|dynsrc|expression|codebase)[=:/(]([ /"/']*?/w+/..*?|javascript|vbscript:[^>]*?)(/)?)([ >//])/si","//1='#' //3//4",$str);//&#21462;&#25481;href=javascript:<br><br>//&#36820;&#22238;&#23567;&#20889;&#23383;&#31526;<br>$str=strtolower($str);<br>$str=str_replace("&","&",$str);</script>

前端入门到VUE实战笔记：立即使用
在学习笔记中，你将探索 前端 的入门与实战技巧！