$key = array_search($chengshi, $oldkey);
if ($key !== false) unset($oldkey[$key]);
foreach($oldkey as $v){
$newkey[] = $chengshi.$v;
}
$info['content'] = str_replace($oldkey,$newkey,$info['content']);*/
$title_new = str_replace('chengshi','',$info['title']);
$info['content'] = str_replace($title_new,$chengshi.$title_new,$info['content']);
}
$info['title'] = str_replace('chengshi',$chengshi,$info['title']);
$info['keywords'] = str_replace('chengshi',$chengshi,$info['keywords']);
/********/
//再次处理keywords
if($catid==9 || $catid==10 || $catid==11 || $catid==38 || $catid==39 || $catid==40 || $catid==41){
if($chengshi){
foreach(config('keywords') as $v){
$keys[] = $chengshi.$v;
}
}else{