PHP文件上传$_FILES数组error键各值含义说明

switch(${}_{F}ILES[$field][‘error’]) {

case 1:    
    // 文件大小超出了服务器的空间大小    
    $this->setError("The file is too large (server).");    
    break;    

case 2:    
    // 要上传的文件大小超出浏览器限制    
    $this->setError("The file is too large (form).");    
    break;    

case 3:    
    // 文件仅部分被上传    
    $this->setError("The file was only partially uploaded.");    
    break;    

case 4:    
    // 没有找到要上传的文件    
    $this->setError("No file was uploaded.");    
    break;    

case 5:    
    // 服务器临时文件夹丢失    
    $this->setError("The servers temporary folder is missing.");    
    break;    

case 6:    
    // 文件写入到临时文件夹出错    
    $this->setError("Failed to write to the temporary folder.");    
    break;    

}