PHP HTML to BBCode

htmltobbcode.php

//20160429 HTML To BBCode
	public function sHtmlToBbcode($html, $bbcode_uid = 0){
		  $tags = array(
            '#<strong>(.*?)</strong>#si' => '[b]\\1[/b]',   
            '#<b>(.*?)</b>#si' => '[b]\\1[/b]',
            '#<em>(.*?)</em>#si' => '[i]\\1[/i]',           
            '#<i>(.*?)</i>#si' => '[i]\\1[/i]',
            '#<u>(.*?)</u>#si' => '[u]\\1[/u]',             
            '#<s>(.*?)</s>#si' => '[s]\\1[/s]', 
			'#<h2>(.*?)</h2>#si' => '[h1]\\1[/h1]',
            '#<h3>(.*?)</h3>#si' => '[h2]\\1[/h2]',
            '#<h4>(.*?)</h4>#si' => '[h3]\\1[/h3]',
            '#<ul>(.*?)</ul>#si' => '[ul]\\1[/ul]',
            '#<ol>(.*?)</ol>#si' => '[ol]\\1[/ol]',
            '#<li>(.*?)</li>#si' => '[li]\\1[/li]',
            '#&nbsp;#si' => ' ',
            '#<center>(.*?)</center>#si' => '[center]\\1[/center]',
            '#<br(.*?)>#si' => chr(13).chr(10),
			'#<p>(.*?)</p>#si' => chr(13).chr(10).chr(13).chr(10).'\\1',
          
            '#<font.*? color="(.*?)".*?>(.*?)</font>#si' => '[color=\\1]\\2[/color]', 
            '#<img.*? src="(.*?)".*?>#si' => '[img]\\1[/img]',
           
            '#<a.*? href="(.*?)".*?>(.*?)</a>#si' => '[url=\\1]\\2[/url]',
            
            //'#<code>(.*?)</code>#si' => '[code]\\1[/code]',
            //'#<iframe style="(.*?)" id="ytplayer" type="text/html" width="534" height="401" src="(.*?)/embed/(.*?)" frameborder="0"/></iframe>#si' => '[youtube]\\3[/youtube]',
                
            '#<span.*? style="(.*?)".*?>(.*?)</span>#si' => '[style=\\1]\\2[/style]',
			//'#<a href="mailto:"(.*?)" title="Email (.*?)">(.*?)</a>#si' => '[email]\\1[/email]',
			 //'#<img src="(.*?) >#si' => '[img]\\1[/img]',
		);
		foreach ($tags as $search => $replace)
			$html = preg_replace($search, $replace, $html);
		
		//去除剩於標籤
		$html= preg_replace('/<([^<>]*)>/', '',$html);
		
		
		return $html;
	}