OOP php文件上传无效的文件类型

Question

我在与流浪汉（hashicorp/precise32）的archlinux我从w3c学校学习php，我在页面上传文件，在这里我的脚本不能上传没有什么唯一的东西返回我是无效文件永远（.JPG巴纽ECC ..）这里是代码：

class User 
{ 
    //init Db Variable 
    private $db; 

    /* 
    * Constuctor 
    */ 
    public function __construct() 
    { 
     $this->db = new Database; 
    } 

    /* 
    * Upload User Avatar 
    */ 
    public function uploadAvatar() 
    { 
     $allowedExts = array("gif", "GIF", "jpeg", "JPEG", "jpg", "JPG", "png", "PNG"); 
     $extension = end(explode(".", $_FILES["avatar"]["name"])); 

     if ((($_FILES["avatar"]["type"] === "image/gif") 
     || ($_FILES["avatar"]["type"] === "image/jpeg") 
     || ($_FILES["avatar"]["type"] === "image/jpg") 
     || ($_FILES["avatar"]["type"] === "image/pjpeg") 
     || ($_FILES["avatar"]["type"] === "image/x-png") 
     || ($_FILES["avatar"]["type"] === "image/png")) && ($_FILES["avatar"]["size"] < 20000000) && in_array($extension, $allowedExts)) { 
      if ($_FILES["avatar"]["error"] > 0) { 
       redirect('register.php', $_FILES["avatar"]["error"], 'error'); 
      } else { 
       if (file_exists('img/avatars/' . $_FILES["avatar"]["name"])) { 
        redirect('register.php', 'File already exists', 'error'); 
       } else { 
        move_uploaded_file($_FILES["avatar"]["tmp_name"], 
         "img/avatars/" . $_FILES["avatar"]["name"]); 

        return true; 
       } 
      } 
     } else { 
      redirect('register.php', 'Invalid File Type!', 'error'); 
     } 

    } 
} 

HTML FOM Bootstap注册

<form ectype="multipart/form-data" method="POST" action="register.php"> 
     <div class="form-group"> 
      <input type="file" name="avatar" class="btn btn-sm btn-primary" /> 
     </div> 
    </form> 

register.php

<?php 
// Create User Object 
$user = new User; 

if (isset($_POST['register'])) { 
//Create Data away 
$data = array(); 
    //Upload Avatar Image 
     if ($user->uploadAvatar()) { 
      return $data['avatar'] = $_FILES["avatar"]["name"]; 
     } else { 
      $data['avatar'] = 'gavatarm.png'; 
    } 
    } 

Answer 1

简单！修复您的拼写错误，使用enctype而不是ectype。

<form enctype="multipart/form-data" method="POST" action="register.php">