php手册学习文件上传

 1 if(!empty($userfile)){
 2 $userfile = $_FILES["userfile"];
 3 $type_arr = array("jpeg", "jpg", "png", "gif");
 4 var_dump($userfile);
 5 $dir = "./upload";
 6 if(!is_dir($dir)){
 7     mkdir($dir);
 8 }
 9 
10 for($i=0; $i<count($userfile["name"]); $i++){
11     $type=explode("/", $userfile["type"][$i]);    
12     $filename = $dir."/".date('YmdHis',time()).mt_rand().".".$type[1];
13     
14     if($userfile["error"][$i] == UPLOAD_ERR_OK){
15         if($userfile["tmp_name"][$i] != ""){
16             if(in_array($type[1], $type_arr)){
17                 if(move_uploaded_file($userfile["tmp_name"][$i], $filename)){
18                     echo $userfile["name"][$i]."上传成功"."<br/>";
19                 }else{
20                     echo $userfile["name"][$i]."上传失败";
21                 }             
22             }
23         }        
24     }
25 
26 
27 }
28     
29 }
php手册学习 文件上传

php手册学习文件上传
