PHP upload class upload. php Usage _ PHP Tutorial

PHP upload class upload. php Usage method. What we bring to you today is the specific code as follows :? Php *** my file Upload class ** unfinished functions: * 1. determine whether the target directory exists * 2. what we bring to you today when uploadingThe code is as follows:

 
 

  
  
 Php 
  
  
 
  
  
/**
  
  
* My file Upload class
  
  
*
  
  
* Unfinished functions:
  
  
* 1. determine whether the target directory exists
  
  
* 2. if a duplicate name appears during the upload, it is automatically renamed.
  
  
*
  
  
* @ Author M.Q.<[Url] www.mengqi.net [/url]> 
  
  
*/
  
  
Class upload
  
  
{
  
  
/**
  
  
* PHP upload class upload. php file upload information. this value is obtained by The constructor. if the file upload fails or is not uploaded, this value is false.
  
  
*
  
  
* @ Var array
  
  
*/
  
  
Private $File=False;
  
  
 
  
  
 
  
  
/**
  
  
* Constructor: obtains the information of the uploaded file.
  
  
*
  
  
* If an error occurs in the project where the file is uploaded, the error file will not be returned in the result, and all files in the result are available.
  
  
*
  
  
* @ Param string $ tag form<Input>Name attribute value in the tag, for example<Input Name="P" Type="File"> 
  
  
*
  
  
* Example 1: upload a single file:
  
  
*<Input Name="Upfile" Type="File"> 
  
  
*
  
  
* Example 2: upload multiple files:
  
  
*<Input Name="Upfile []" Type="File"> 
  
  
*<Input Name="Upfile []" Type="File"> 
  
  
*
  
  
* The result (saved in the $ file variable) is as follows:
  
  
*
  
  
* Array (
  
  
* [0] =>Array (
  
  
* 'Name' =>'Abc.txt'
  
  
* 'Type' =>'Text/plain'
  
  
* 'Tmp _ name' =>'/Tmp/phpgxecCb'
  
  
* 'Error' =>0
  
  
* 'Size' =>62
  
  
*)
  
  
* [1] =>Array (
  
  
* 'Name' =>'Abc.txt'
  
  
* 'Type' =>'Text/plain'
  
  
* 'Tmp _ name' =>'/Tmp/phpgxecCb'
  
  
* 'Error' =>0
  
  
* 'Size' =>62
  
  
*)
  
  
*)
  
  
*/
  
  
Public function _ construct ($ tag)
  
  
{
  
  
$File= $ _ FILES [$ tag];
  
  
 
  
  
If (! Isset ($ file) | empty ($ file ))
  
  
{
  
  
Return; // no file is uploaded
  
  
}
  
  
 
  
  
$Num=Count($ File ['name']); // number of files uploaded by the PHP upload class upload. php
  
  
 
  
  
$Data=Array(); // Array used to save the information of the uploaded file
  
  
 
  
  
// Multiple files are uploaded.
  
  
If ($ num>1)
  
  
{
  
  
For ($I=0; $ I<$ Num; $ I ++)
  
  
{
  
  
$D=Array();
  
  
$ D ['name'] = $ file ['name'] [$ I];
  
  
$ D ['type'] = $ file ['type'] [$ I];
  
  
$ D ['tmp _ name'] = $ file ['tmp _ name'] [$ I];
  
  
$ D ['error'] = $ file ['error'] [$ I];
  
  
$ D ['size'] = $ file ['size'] [$ I];
  
  
 
  
  
If ($ d ['error'] = 0)
  
  
{
  
  
$ Data [] = $ d;
  
  
}
  
  
Else
  
  
{
  
  
@ Unlink ($ d ['tmp _ name']);
  
  
}
  
  
}
  
  
}
  
  
// Only one file is uploaded.
  
  
Else
  
  
{
  
  
$D=Array();
  
  
$ D ['name'] = $ file ['name'];
  
  
$ D ['type'] = $ file ['type'];
  
  
$ D ['tmp _ name'] = $ file ['tmp _ name'];
  
  
$ D ['error'] = $ file ['error'];
  
  
$ D ['size'] = $ file ['size'];
  
  
 
  
  
If ($ d ['error'] = 0)
  
  
{
  
  
$ Data [] = $ d;
  
  
}
  
  
Else
  
  
{
  
  
@ Unlink ($ d ['tmp _ name']);
  
  
}
  
  
}
  
  
 
  
  
If (empty ($ data) return;
  
  
 
  
  
$ This-> File= $ Data; // save the information of the uploaded file
  
  
}
  
  
 
  
  
/**
  
  
* Move the uploaded file from the temporary folder to the target path.
  
  
*
  
  
* @ Param array $ src file information array, which is an element of the $ file array (still an array)
  
  
* @ Param string $ destpath the destination path for the Upload
  
  
* @ Param string $ filename: name of the uploaded file. if it is null, the uploaded file name is used.
  
  
* @ Return bool
  
  
*/
  
  
Public function save ($ src, $ destpath, $Filename=Null)
  
  
{
  
  
$SrcTName= $ Src ['tmp _ name']; // temporary file name of the original uploaded File
  
  
$SrcFName= $ Src ['name']; // original file name
  
  
 
  
  
// If the $ filename parameter is null, the file name is used during the upload.
  
  
If (empty ($ filename ))
  
  
{
  
  
$Filename= $ SrcFName;
  
  
}
  
  
 
  
  
// $ Dest is the final path and file name of the file to be copied.
  
  
If (empty ($ destpath ))
  
  
{
  
  
$Dest= $ Filename;
  
  
}
  
  
Else
  
  
{
  
  
// Modify the slash in the path to/. if the slash is not at the end, add a slash to the end/
  
  
$Pathend= $ Destpath [strlen ($ destpath)-1]; // The last character of the uploaded destination path
  
  
If ($Pathend= '\')
  
  
{
  
  
$Dest=Substr_replace($ Destpath, '/', strlen ($ destpath)-1). $ filename;
  
  
}
  
  
Else if ($ pathend! = '/')
  
  
{
  
  
$Dest= $ Destpath. '/'. $ filename;
  
  
}
  
  
Else
  
  
{
  
  
$Dest= $ Destpath. $ filename;
  
  
}
  
  
}
  
  
 
  
  
// File uploaded successfully
  
  
If (@ move_uploaded_file ($ srcTName, $ dest ))
  
  
{
  
  
 
  
  
Return true;
  
  
}
  
  
Else
  
  
{
  
  
Return false;
  
  
}
  
  
}
  
  
 
  
  
/**
  
  
* Obtain the information of the uploaded file
  
  
*
  
  
* @ Return array
  
  
*/
  
  
Public function getFileInfo ()
  
  
{
  
  
Return $ this->File;
  
  
}
  
  
}
  
  
 
  
  
 
  
  
$A=NewUpload ('upfile ');
  
  
 
  
  
$Fileinfo= $->GetFileInfo ();
  
  
If ($Fileinfo= False)
  
  
{
  
  
Echo 'no file uploaded! ';
  
  
Exit;
  
  
}
  
  
 
  
  
For ($I=0; $ I< Count($ Fileinfo); $ I ++)
  
  
{
  
  
Echo 'uploading '. $ fileinfo [$ I] ['name']. '';
  
  
If ($->Save ($ fileinfo [$ I], 'upload') echo 'complete ';
  
  
Else echo 'failed ';
  
  
Echo'<Br>';
  
  
}
  
  
?> 
 
 

The above code describes how to use PHP upload class upload. php.

The specific code of callback is as follows :? Php/*** my file Upload class ** unfinished features: * 1. determine whether the target directory exists * 2. if the file is uploaded...