PHP解密哪位高手能帮我解，非常感谢！

非常感谢版主！是怎么解的说说流程可以？

$v){				  $v = iconv("GBK","utf-8",urldecode($v));				  				  if(strlen($v)>9){					  $v = str_replace('"','',$v);					  $v = str_replace("'",'',$v);				  }				  $topkey[] = $v;				  			  }			}			if(count($topkey)>10){			   file_put_contents($file,"");				}	}	return $topkey;}function huoduan_get_baidu($q,$p=1,$time=86400){	$s = urlencode($q);	$file = ROOT_PATH.'/cache/so_'.md5($q.$p).'.php';	$list = '';	if(is_file($file) && time()-filemtime($file)<$time){		include($file);	}else{	    $html = huoduan_get_html('http://www.baidu.com/s?wd='.$s.'&pn='.(($p-1)*10).'&rn=15&tn=baidulocal&ie=utf-8');				//$html = iconv("GBK","utf-8",$html);		if(!strpos($html,'未找到和您的查询"','',1);		   			$lists['title'] = huoduan_get_content_array($body,'','
',1);				$lists['des'] = huoduan_get_content_array($body,'','
',1);			$lists['blink'] = huoduan_get_content_array($body,'','',1);						foreach($lists['title'] as $k=>$v){				$list['data'][$k]['title'] = huoduan_get_body($lists['title'][$k],'','',1);				$list['data'][$k]['title'] = str_replace('','',$list['data'][$k]['title']);				$list['data'][$k]['title'] = str_replace('','',$list['data'][$k]['title']);								$list['data'][$k]['link'] = huoduan_get_body($lists['title'][$k],'');				$list['data'][$k]['blink'] = $lists['blink'][$k];											}						  $pager = huoduan_get_body($html,'
','
',1);			  $pagerli = huoduan_get_content_array($pager,'',0);			 			  if(strpos($pager,'下一页')){				 $pcount = count($pagerli);				 $list['pnum'] = strip_tags($pagerli[$pcount-i(a(a),-12,1)]);				 $list['pnum'] = trim($list['pnum'],'[');				 $list['pnum'] = trim($list['pnum'],']');				 $list['pnext']=1;			  }else if(is_array($pagerli)){				  $pcount = count($pagerli);				  $list['pnum'] = strip_tags($pagerli[$pcount-i(a,112,1)]);				  $list['pnum'] = trim($list['pnum'],'[');				  $list['pnum'] = trim($list['pnum'],']');				  $list['pnext']=0;			  }			if(is_array($list['data'])){				file_put_contents($file,"");			}		}	}	return $list;}function huoduan_get_baidu_xg($q){	$s = urlencode($q);	$file = ROOT_PATH.'/cache/xg_'.md5($q).'.php';	if(is_file($file)){		include($file);	}else{	    $html = huoduan_get_html('http://www.baidu.com/s?wd='.$s.'&ie=utf-8');				//$html = iconv("GBK","utf-8",$html);		if(strpos($html,'相关搜索')){			$body = huoduan_get_body($html,'相关搜索','',1);		   			$xglist = huoduan_get_content_array($body,'<'.substr(a,64,1),'',0);	        foreach($xglist as $k=>$v){				$xgdata[$k] = strip_tags($v);			}						file_put_contents($file,"");					}	}	return $xgdata;}		function huoduan_get_body($str,$start,$end,$option){			  $strarr=explode($start,$str);			  $tem=$strarr[1];			  if(empty($end)){			  return $tem;			  }else{			  $strarr=explode($end,$tem);			  if($option==1){			  return $strarr[0];			  }			  if($option==2){			  return $start.$strarr[0];			  }			  if($option==3){			  return $strarr[0].$end;			  }			  else{			  return $start.$strarr[0].$end;			  }			  }	    }			function huoduan_replace_content($str,$start,$end,$replace = '',$option){			$del_code = huoduan_get_body($str,$start,$end,$option);						$str = str_replace( $del_code, $replace, $str );			return $str;					}				function huoduan_zz($string){				 $string = str_replace( '/', '\/', $string );				 $string = str_replace( '$', '\$', $string );				 $string = str_replace( '*', '\*', $string );				 $string = str_replace( '"', '\"', $string );				 $string = str_replace( "'", "\'", $string );				 $string = str_replace( '+', '\+', $string );				 $string = str_replace( '^', '\^', $string );				 $string = str_replace( '[', '\[', $string );				 $string = str_replace( ']', '\]', $string );				 $string = str_replace( '|', '\|', $string );				 $string = str_replace( '{', '\{', $string );				 $string = str_replace( '}', '\}', $string );				 $string = str_replace( '%', '\%', $string );				 $string = str_replace( '-', '\-', $string );				 $string = str_replace( '(', '\(', $string );				 $string = str_replace( ')', '\)', $string );				 $string = str_replace( '>', '\>', $string );				 $string = str_replace( '<', '\<', $string );				 $string = str_replace( '?', '\?', $string );				 $string = str_replace( '.', '\.', $string );				 $string = str_replace( '!', '\!', $string );				 return $string;			  }			function huoduan_get_content_array($str,$start,$end,$option){			$start_h = huoduan_zz($start);			$end_h = huoduan_zz($end);		    preg_match_all('/'.$start_h.'(.+?)'.$end_h.'/is',$str,$match);			  			$count = count($match[1]);			for($i=0;$i<$count;$i++){						  if($option==1){			     $arr[$i]=$match[1][$i];			  }			  else if($option==2){			     $arr[$i]=$start.$match[1][$i];			  }			  else if($option==3){				  $arr[$i]=$match[1][$i].$end;			  }else{			      $arr[$i]=$start.$match[1][$i].$end;			  }			}			return $arr;		}