文件上傳更改文件名

我找到了一個合適的腳本，可以讓我將多個圖像文件上傳到服務器。我想要做的只是更改文件的名稱，並不知道如何使用此代碼來完成此操作。有人能告訴我我需要做什麼嗎？由於文件上傳更改文件名

<?php 
    /* 
    * 
    * @ Multiple File upload script. 
    * 
    * @ Can do any number of file uploads 
    * @ Just set the variables below and away you go 
    * 
    * @ Author: Kevin Waterson 
    * 
    * @copywrite 2008 PHPRO.ORG 
    * 
    */ 

    error_reporting(E_ALL); 

    /*** the upload directory ***/ 
    $upload_dir= './uploads'; 

    /*** numver of files to upload ***/ 
    $num_uploads = 1; 

    /*** maximum filesize allowed in bytes ***/ 
    $max_file_size = 99951200; 

    /*** the maximum filesize from php.ini ***/ 
    $ini_max = str_replace('M', '', ini_get('upload_max_filesize')); 
    $upload_max = $ini_max * 9991024; 

    /*** a message for users ***/ 
    $msg = 'Please select files for uploading'; 

    /*** an array to hold messages ***/ 
    $messages = array(); 

    /*** check if a file has been submitted ***/ 
    if(isset($_FILES['userfile']['tmp_name'])) 
    { 
     /** loop through the array of files ***/ 
     for($i=0; $i < count($_FILES['userfile']['tmp_name']);$i++) 
     { 
      // check if there is a file in the array 
      if(!is_uploaded_file($_FILES['userfile']['tmp_name'][$i])) 
      { 
       $messages[] = 'No file uploaded'; 
      } 
      /*** check if the file is less then the max php.ini size ***/ 
      elseif($_FILES['userfile']['size'][$i] > $upload_max) 
      { 
       $messages[] = "File size exceeds $upload_max php.ini limit"; 
      } 
      // check the file is less than the maximum file size 
      elseif($_FILES['userfile']['size'][$i] > $max_file_size) 
      { 
       $messages[] = "File size exceeds $max_file_size limit"; 
      } 
      else 
      { 

       // copy the file to the specified dir 
       if(@copy($_FILES['userfile']['tmp_name'][$i],$upload_dir.'/'.$_FILES['userfile']['name'][$i])) 
       { 
        /*** give praise and thanks to the php gods ***/ 

        $messages[] = $_FILES['userfile']['name'][$i].' uploaded'; 
       } 
       else 
       { 
        /*** an error message ***/ 
        $messages[] = 'Uploading '.$_FILES['userfile']['name'][$i].' Failed'; 
       } 
      } 
     } 
    } 
?>

來源

2013-07-11 Tentuntim Dobson

試圖改變

if(@copy($_FILES['userfile']['tmp_name'][$i],$upload_dir.'/'.$_FILES['userfile']['name'][$i]))

對於

if(@copy($_FILES['userfile']['tmp_name'][$i],$upload_dir.'/'.'NAME OF YOUR FILE']))

來源

2013-07-11 16:53:45

文件上傳更改文件名

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