这些函数是在一个视频站点中复制下来的，发布出来做一个备份，也许以后能用的上，至于函数的作用可以看一下具体代码，这里就不做解析了。

//解密js escape加密字符串
function unescape($str) {  
    $ret = '';  
    $len  strlen  $str );  
    for$i  0 $i < $len++)  
        if$str [$i]=='%'&&+1'u'  
            $val  hexdec  substr  $str,24  
            $val 0x7f  
                $ret .= chr  $val else 0x8000xc0|>>6.0x80&0x3f0xe012((  
            $i +=5  
        }'%'  
            $ret  urldecode  $i3];  
    return $ret  

//获取视频搜索结果列表 get_videolist){
  global $cfg_cmsurl
  $result=""foreachexplode('$@#$'as $item
     iftrim$item)==continue
	 $arr'$#'
	 $link$cfg_cmsurl."/play/"$arr[
	 $title
	 $imgget_local_img]);
	 $time3
	 $result.=' $link'" class="img" title="'$title'" > $img'" width="165" alt="''" height="124" /> $time''
   $result
//获得视频详细信息html get_videodetail
	 $nianfen
	 $pingfen4
     $starget_star_html$pingfen
	 $column
	 $status
	 $zhuyanstr_replace'/'7
	 $diqu8
	 $leixing9
	 $intro10'
'" width="128" height="182" alt="''">nofollow" href="''">''$column') '$nianfen'$zhuyan'$status'$leixing'$diqu'$intro''" rel="nofollow">详细剧情快速观看" rel="nofollow" href="''" class="playlink">'/plus/desktop.html?name=''" rel="nofollow" class="desktop">$star'&nbsp;' get_star_html $cfg_templets_skin
	 $star0=(int)(/
	 $star1)((-)/
	 $star2=$star0$star1
	 $html
	 ++){
	   $html'$cfg_templets_skin'/images/star0.gif">'
	 $star2'/images/star2.gif">''/images/star1.gif">' $html get_local_img$url
   
   $result(!strstr'http://')&&!'/images/defaultpic.gif')){
    $result
   elseif
      //将远程地址替换为伪静态地址
	   $filenamebasename
	  $result'/static/'$filename curl_get$gzip=false
	$curl  curl_init();
	curl_setopt$curl CURLOPT_URL $url CURLOPT_SSL_VERIFYPEER  //抓取https网页
    curl_setopt CURLOPT_SSL_VERIFYHOST  CURLOPT_HEADER CURLOPT_REFERER CURLOPT_USERAGENT'Mozilla/4.0 (compatible; MSIE 6.0; SeaPort/1.2; Windows NT 5.1; SV1; InfoPath.2)' 
	curl_setopt CURLOPT_COOKIEJAR'cookie.txt' CURLOPT_COOKIEFILE CURLOPT_RETURNTRANSFER CURLOPT_FOLLOWLOCATION
	 curl_setopt CURLOPT_ENCODING"gzip" 
	$values  curl_exec
	curl_closereturn$values curl_post$post CURLOPT_POST);//post提交方式  CURLOPT_POSTFIELDS $post 	//指定post提交的参数
	$values  get_baidu_keys$type=="all""http://top.baidu.com/buzz?b=1"
   elseif"week""http://top.baidu.com/buzz?b=42"
   $htmlcurl_geticonv"GB2312""UTF-8//IGNORE"$html
   preg_match_all'/
   $data $data get_rewrite_url $rewriteArr$db
  $re"list.PHP"
    preg_match'/list.PHP\?tid=([\d]+)/'
	$id
	$sn$rewriteArr$id
	$repreg_replace'/plus\/list.PHP\?tid=([\d]+)/'$sn"view.PHP"'/view.PHP\?aid=([\d]+)/'
	//查询出sn
	$row->GetOne"select urlsn from dede_addonmovie where aid=$id"isset$row['urlsn'])) $sn'/plus\/view.PHP\?aid=([\d]+)/' $re get_filter_title$typename
  $sn
  $arrarray_flip
  $tid'剧')&&$tid==  $re