fputcsv 和 fgetcsv

1 public function putcsv(){
2     $list = M("ad")->limit(0,10)->select();
3     $fp = fopen(‘./file.csv‘,‘w‘);
4     foreach($list as $val){
5         fputcsv($fp,$val);
6     }
7     fclose($fp);
8 
9 }

public function getcsv(){
    $file = "./file.csv";
    $fp = fopen($file,‘r‘);
    while(($data = fgetcsv($fp)) !== false){
            $arr[]=$data;
    }
    fclose($fp);
}