如何上传多个文件

Question

我想在我的网站上发布一些图片。

它适用于单一职位，当我只使用一个图像。因为我试图使用多个图像它不工作了，我不明白为什么这不起作用。以显示我的代码：

if (isset($_POST['var1']; 
... 
...  $Bild1 = $_FILES['image1']; 
      $Bild2 = $_FILES['image2']; 
      $Bild3 = $_FILES['image3']; 
      $Bild4 = $_FILES['image4']; 
      $Bild5 = $_FILES['image5']; 
      $Bild6 = $_FILES['image6']; 
      $Bild7 = $_FILES['image7']; 
      $Bild8 = $_FILES['image8']; 
      $Bild9 = $_FILES['image9']; 
      $Bild10 = $_FILES['image10']; 

       $errors = array(); 
       $allowed_extension = array('jpg', 'jpeg', 'png', 'bmp', 'tiff', 'gif'); 

       $file_name_1 = $_FILES['image1']['name']; 
       $file_name_2 = $_FILES['image2']['name']; 
       $file_name_3 = $_FILES['image3']['name']; 
       $file_name_4 = $_FILES['image4']['name']; 
       $file_name_5 = $_FILES['image5']['name']; 
       $file_name_6 = $_FILES['image6']['name']; 
       $file_name_7 = $_FILES['image7']['name']; 
       $file_name_8 = $_FILES['image8']['name']; 
       $file_name_9 = $_FILES['image9']['name']; 
       $file_name_10 = $_FILES['image10']['name']; 

       $split_1 = explode('.', $file_name_1); 
       $split_2 = explode('.', $file_name_2); 
       $split_3 = explode('.', $file_name_3); 
       $split_4 = explode('.', $file_name_4); 
       $split_5 = explode('.', $file_name_5); 
       $split_6 = explode('.', $file_name_6); 
       $split_7 = explode('.', $file_name_7); 
       $split_8 = explode('.', $file_name_8); 
       $split_9 = explode('.', $file_name_9); 
       $split_10 = explode('.', $file_name_10); 

       $split_1[0] = '1'; 
       $split_2[0] = '2'; 
       $split_3[0] = '3'; 
       $split_4[0] = '4'; 
       $split_5[0] = '5'; 
       $split_6[0] = '6'; 
       $split_7[0] = '7'; 
       $split_8[0] = '8'; 
       $split_9[0] = '9'; 
       $split_10[0] = '10'; 

       $file_basename_1 = $split_1[0]; 
       $file_basename_2 = $split_2[0]; 
       $file_basename_3 = $split_3[0]; 
       $file_basename_4 = $split_4[0]; 
       $file_basename_5 = $split_5[0]; 
       $file_basename_6 = $split_6[0]; 
       $file_basename_7 = $split_7[0]; 
       $file_basename_8 = $split_8[0]; 
       $file_basename_9 = $split_9[0]; 
       $file_basename_10 = $split_10[0]; 

       $file_extension_1 = strtolower(end(explode('.', $file_name_1))); 
       $file_extension_2 = strtolower(end(explode('.', $file_name_2))); 
       $file_extension_3 = strtolower(end(explode('.', $file_name_3))); 
       $file_extension_4 = strtolower(end(explode('.', $file_name_4))); 
       $file_extension_5 = strtolower(end(explode('.', $file_name_5))); 
       $file_extension_6 = strtolower(end(explode('.', $file_name_6))); 
       $file_extension_7 = strtolower(end(explode('.', $file_name_7))); 
       $file_extension_8 = strtolower(end(explode('.', $file_name_8))); 
       $file_extension_9 = strtolower(end(explode('.', $file_name_9))); 
       $file_extension_10 = strtolower(end(explode('.', $file_name_10))); 

       $file_size_1 = $_FILES['image1']['size']; 
       $file_size_2 = $_FILES['image2']['size']; 
       $file_size_3 = $_FILES['image3']['size']; 
       $file_size_4 = $_FILES['image4']['size']; 
       $file_size_5 = $_FILES['image5']['size']; 
       $file_size_6 = $_FILES['image6']['size']; 
       $file_size_7 = $_FILES['image7']['size']; 
       $file_size_8 = $_FILES['image8']['size']; 
       $file_size_9 = $_FILES['image9']['size']; 
       $file_size_10 = $_FILES['image10']['size']; 

       $file_tmp_1 = $_FILES['image1']['tmp_name']; 
       $file_tmp_2 = $_FILES['image2']['tmp_name']; 
       $file_tmp_3 = $_FILES['image3']['tmp_name']; 
       $file_tmp_4 = $_FILES['image4']['tmp_name']; 
       $file_tmp_5 = $_FILES['image5']['tmp_name']; 
       $file_tmp_6 = $_FILES['image6']['tmp_name']; 
       $file_tmp_7 = $_FILES['image7']['tmp_name']; 
       $file_tmp_8 = $_FILES['image8']['tmp_name']; 
       $file_tmp_9 = $_FILES['image9']['tmp_name']; 
       $file_tmp_10 = $_FILES['image10']['tmp_name']; 

       $file_newname_1 = $file_basename_1 .".". $file_extension_1; 
       $file_newname_2 = $file_basename_2 .".". $file_extension_2; 
       $file_newname_3 = $file_basename_3 .".". $file_extension_3; 
       $file_newname_4 = $file_basename_4 .".". $file_extension_4; 
       $file_newname_5 = $file_basename_5 .".". $file_extension_5; 
       $file_newname_6 = $file_basename_6 .".". $file_extension_6; 
       $file_newname_7 = $file_basename_7 .".". $file_extension_7; 
       $file_newname_8 = $file_basename_8 .".". $file_extension_8; 
       $file_newname_9 = $file_basename_9 .".". $file_extension_9; 
       $file_newname_10 = $file_basename_10 .".". $file_extension_10; 

       $path ='a/b/c/'.$id.'/'.$new_file_id.'/'; 

       if (in_array($file_extension_1, $allowed_extension)=== false){ 
        $errors[] = 'errormessage1'; 
       } 
       if (in_array($file_extension_2, $allowed_extension)=== false){ 
        $errors[] = 'errormessage2'; 
       } 
       if (in_array($file_extension_3, $allowed_extension)=== false){ 
        $errors[] = 'errormessage3'; 
       } 
       if (in_array($file_extension_4, $allowed_extension)=== false){ 
        $errors[] = 'errormessage4'; 
       } 
       if (in_array($file_extension_5, $allowed_extension)=== false){ 
        $errors[] = 'errormessage5'; 
       } 
       if (in_array($file_extension_6, $allowed_extension)=== false){ 
        $errors[] = 'errormessage6'; 
       } 
       if (in_array($file_extension_7, $allowed_extension)=== false){ 
        $errors[] = 'errormessage7'; 
       } 
       if (in_array($file_extension_8, $allowed_extension)=== false){ 
        $errors[] = 'errormessage8'; 
       } 
       if (in_array($file_extension_9, $allowed_extension)=== false){ 
        $errors[] = 'errormessage9'; 
       } 
       if (in_array($file_extension_10, $allowed_extension)=== false){ 
        $errors[] = 'errormessage10'; 
       } 

       if ($file_size_1 > 2097152){ 
        $errors[] = 'errormessage1'; 
       } 
       if ($file_size_2 > 2097152){ 
        $errors[] = 'errormessage2'; 
       } 
       if ($file_size_3 > 2097152){ 
        $errors[] = 'errormessage3'; 
       } 
       if ($file_size_4 > 2097152){ 
        $errors[] = 'errormessage4'; 
       } 
       if ($file_size_5 > 2097152){ 
        $errors[] = 'errormessage5'; 
       } 
       if ($file_size_6 > 2097152){ 
        $errors[] = 'errormessage6'; 
       } 
       if ($file_size_7 > 2097152){ 
        $errors[] = 'errormessage7'; 
       } 
       if ($file_size_8 > 2097152){ 
        $errors[] = 'errormessage8'; 
       } 
       if ($file_size_9 > 2097152){ 
        $errors[] = 'errormessage9'; 
       } 
       if ($file_size_10 > 2097152){ 
        $errors[] = 'errormessage10'; 
       } 

       if (empty($errors)) { 

       if (move_uploaded_file($file_tmp_1, $path . $file_newname_1)) { 
        echo 'success1'; 
       } 

       if (move_uploaded_file($file_tmp_2, $path . $file_newname_2)) { 
        echo 'success2'; 
       } 

       if (move_uploaded_file($file_tmp_3, $path . $file_newname_3)) { 
        echo 'success3'; 
       } 

      } 

是否还有一种方法可以缩短此代码？非常感谢。

Answer 1

你这样做是错误的。要在您的代码更冗余

$allowed_extension = array('jpg', 'jpeg', 'png', 'bmp', 'tiff', 'gif'); 
foreach($_FILES as $file) { 
    // Carry on like this 
    $file_name = $file['name']; 
    $size = $file['size']; 

    //However, you might want to extract the extension like this 
    $ext = pathinfo($file_name, PATHINFO_EXTENSION); 
    //... 


}