RSS수집 중복글은 빼고 불러오는 방법좀 알려주세요 채택완료

<?phpdefine('_INDEX_', true);include_once('./_common.php');//ver1.0 150417 @_untitle_dfunction insert_write($newpost){	global $g5;	//게시판 테이블 정보	$bo_table = $newpost[bo_table];	if(!strlen($bo_table)) return FALSE; //bo_table 값이 지정되지 않았습니다.	$board = sql_fetch(" select * from {$g5['board_table']} where bo_table = '$bo_table' ");	if(!$board) return FALSE; //bo_table이 존재하지 않습니다.		//회원정보 및 권한 확인    $member = get_member($newpost[mb_id]);    if(!$member) return FALSE; //mb_id가 존재하지 않습니다.    //if($board[bo_write_level] > $member[mb_level]) return FALSE; //글쓰기 권한이 없습니다.		//카테고리 설정    $ca_name = $newpost[ca_name];	if ($ca_name && strpos($board[bo_category_list], $ca_name) === FALSE){		$category_list = $board[bo_category_list]."|".$ca_name;		$sql = " update {$g5['board_table']} set bo_category_list = '$category_list' where bo_table = '$bo_table' ";		sql_query($sql);	}	//변수 정리    $write_table = $g5[write_prefix].$bo_table;    $wr_num = get_next_num($write_table);    $ca_name = addslashes($ca_name);    $html = "html1";    $secret = "";    $mail = "";    $wr_subject = addslashes(trim($newpost[wr_subject]));    $wr_content = addslashes(trim($newpost[wr_content]));    if(!$wr_subject) return FALSE; //글 제목이 없습니다.    if(!$wr_content) return FALSE; //글 내용이 없습니다.    $mb_id = $member[mb_id];    $wr_password = $member[mb_password];    $wr_name = $board[bo_use_name] ? $member[mb_name] : $member[mb_nick];	$wr_email = $member[mb_email];	$wr_homepage = $member[mb_homepage];    for($i=1; $i<=10; $i++){        $wr = "wr_{$i}";        ${$wr} = addslashes($newpost[$wr]);    }    $wr_link1 = $newpost[wr_link1];    $wr_link2 = $newpost[wr_link2];		//글 입력하기	$sql = " insert into $write_table                set wr_num = '$wr_num',                     wr_reply = '',                     wr_comment = 0,                     ca_name = '$ca_name',                     wr_option = '$html,$secret,$mail',                     wr_subject = '$wr_subject',                     wr_content = '$wr_content',                     wr_link1 = '$wr_link1',                     wr_link2 = '$wr_link2',                     wr_link1_hit = 0,                     wr_link2_hit = 0,                     wr_hit = 0,                     wr_good = 0,                     wr_nogood = 0,                     mb_id = '$mb_id',                     wr_password = '$wr_password',                     wr_name = '$wr_name',                     wr_email = '$wr_email',                     wr_homepage = '$wr_homepage',                     wr_datetime = '".G5_TIME_YMDHIS."',                     wr_last = '".G5_TIME_YMDHIS."',                     wr_ip = '{$_SERVER['REMOTE_ADDR']}',                     wr_1 = '$wr_1',                     wr_2 = '$wr_2',                     wr_3 = '$wr_3',                     wr_4 = '$wr_4',                     wr_5 = '$wr_5',                     wr_6 = '$wr_6',                     wr_7 = '$wr_7',                     wr_8 = '$wr_8',                     wr_9 = '$wr_9',                     wr_10 = '$wr_10' ";    sql_query($sql);        $wr_id = mysql_insert_id();    sql_query(" update $write_table set wr_parent = '$wr_id' where wr_id = '$wr_id' "); //부모 아이디에 UPDATE	sql_query(" insert into {$g5['board_new_table']} ( bo_table, wr_id, wr_parent, bn_datetime, mb_id ) values ( '{$bo_table}', '{$wr_id}', '{$wr_id}', '".G5_TIME_YMDHIS."', '$mb_id' ) "); //새글 INSERT        sql_query(" update {$g5['board_table']} set bo_count_write = bo_count_write + 1 where bo_table = '{$bo_table}' "); //게시글 1 증가		//return array('bo_table' => $bo_table, 'wr_id' => $wr_id, 'sca' => $ca_name);	return TRUE;	}$bo_table = 'blog'; //게시판 테이블$write_table = $g5[write_prefix].$bo_table;$url = 'http://blog.rss.naver.com/hosi1030.xml'; //RSSrequire "lib/Snoopy.class.php"; ini_set("allow_url_fopen","1");$snoopy = new Snoopy; $snoopy->fetch($url);$xml = @simplexml_load_string($snoopy->results);foreach($xml->channel->item as $item) {	     $sql = "select count(*) as cnt from $write_table where wr_link1 = '".$item->link."' and wr_is_comment = 0";    $row = sql_fetch($sql);    if ($row['cnt'] == 0){    			$newpost = array(			'mb_id' => 'admin',			'bo_table' => $bo_table,			'wr_subject' => $item->title,			'wr_content' => $item->description,		);		insert_write($newpost);		}	}?><a href="<?=G5_BBS_URL?>/board.php?bo_table=<?=$bo_table?>">결과보기</a>