PHP move_upload_file（）;不移到新文件夹

Question

任何人都可以看到为什么此代码无法成功执行，但是实际的mp4文件没有移动到该文件夹​​。.iv对所有php.ini文件进行了排序，以接受20mg以上的文件。而且也没有抛出任何错误，因此，举足轻重的举动，显然举动也是如此。但是之后的目录中没有文件。.我想不起来..

此代码是否揭示了为什么不这样做的任何原因。

也-允许访问目录... o限制/权限问题

if (!empty($_FILES['sellimage0']['name'])){

if(isset($_POST)){
    if(isset($_FILES['sellimage0'])){
      $errors= array();
      $sellimage0_name = $_FILES['sellimage0']['name'];
      $sellimage0_size =$_FILES['sellimage0']['size'];
      $sellimage0_tmp =$_FILES['sellimage0']['tmp_name'];
      $sellimage0_type=$_FILES['sellimage0']['type'];

//print_r($_FILES['sellimage0']['name']); 

  $sellimage0_ext = pathinfo($_FILES['sellimage0']['name'], PATHINFO_EXTENSION);

      //$sellimage0_ext=strtolower(end(explode('.',$_FILES['sellimage0']['name'])));

      $expensions= array("mp4","ogg","webm");

      if(in_array($sellimage0_ext,$expensions)=== false){
         $errors[]="extension not allowed, please choose a MP4, OGG, or WEBM formats...";
      }

      if($sellimage0_size > 800000000){
         $errors[]='File size must be excately 800 MB';
      }
//print_r($sellimage0_tmp); exit;
      if (move_uploaded_file($sellimage0_tmp,"../images/searchimages/".$sellimage0_name)); {
        $uploadfile="../images/searchimages/".$sellimage0_name;     
        $i0url=$uploadfile;

      if(empty($errors)==true){
        echo $uploadfile;

      }
      else{
         print_r($errors); die();
      }

      }

   }
}


} else {$i0url='';}