Codeigniter，上傳同名多個文件

Question

我有一個上傳表單，允許我根據需要添加儘可能多的文件。但是，當我開始嘗試上傳文件時，出現錯誤。

控制器

$this->load->library('upload'); 
$error = ""; 
$file = ""; 
$this->total_count_of_files = count($_FILES['user_certificates']['name']); 
print_r($_FILES['user_certificates']['name']); 

for($i=0; $i<$this->total_count_of_files; $i++) 
{ 
    $_FILES['user_certificates']['name'] = $_FILES['user_certificates']['name'][$i]; 
    $_FILES['user_certificates']['type'] = $_FILES['user_certificates']['type'][$i]; 
    $_FILES['user_certificates']['tmp_name'] = $_FILES['user_certificates']['tmp_name'][$i]; 
    $_FILES['user_certificates']['error'] = $_FILES['user_certificates']['error'][$i]; 
    $_FILES['user_certificates']['size'] = $_FILES['user_certificates']['size'][$i]; 

    $config['encrypt_name'] = TRUE; 
    $config['file_name'] = $_FILES['user_certificates']['name']; 
    $config['upload_path'] = './certificate_files/'; 
    $config['allowed_types'] = 'txt|pdf|doc|docx'; 
    $config['max_size'] = 0; 

    $this->upload->initialize($config); 

    if (!$this->upload->do_upload()) 
    { 
     $status = 'error'; 
     $msg = $this->upload->display_errors(); 
    } 
    else 
    { 
     $data = $this->upload->data(); 
     $file = $data['raw_name'] . $data['file_ext']; 
    } 
    if($file) 
    { 
     $status = "success"; 
     $msg = "Image successfully uploaded"; 
    } 
    else 
    { 
     $status = "error"; 
     $msg = "Something went wrong when saving the image, please try again."; 
    } 
} 
echo json_encode(array('status' => $status, 'msg' => $msg)); 
exit(); 

的print_r($_FILES['user_certificates']['name']))我展示我所添加的文件：

Array ([0] => license.txt [1] => license.txt) 

我完全卡在如何讓上傳工作。有任何想法嗎？

乾杯提前！

編輯

如果我改變了：

if (!$this->upload->do_upload()) 

這樣：

if (!$this->upload->do_upload('user_certificates')) 

它的工作原理，但只有一個文件，它似乎沒有循環輪再次不某些原因

Answer 1

您的循環似乎不正確。

... 
$_FILES['user_certificates']['name'] = $_FILES['user_certificates']['name'][$i]; 
... 

這些線路覆蓋原來的$ _FILES數組，所以第一循環結束後，因爲它得到了覆蓋它不會找到任何其他的循環。

取而代之，您可以先將$ _FILES數組存儲到本地變量並循環遍歷它以逐個上傳。