PHP Upload class upload.php How to use _php tutorial

What we are bringing to you today is aboutThe specific code is as follows:

 
 

  
  

  
  php   
  
  

  

  
  

  
/**
  
  

  
* My file Upload class
  
  

  
*
  
  

  
* Unfinished Features:
  
  

  
* 1. The determination of the existence of the target directory
  
  

  
* 2. Automatically rename if duplicate name appears on upload
  
  

  
*
  
  

  
* @author m.q. < [Url]www.mengqi.net[/url] >  
  
  

  
*/
  
  

  
Class upload
  
  

  
{
  
  

  
/**
  
  

  
* PHP upload class upload.php Upload the information of the file, this value is obtained by the constructor, if the upload file failed or error or not uploaded, this value is False
  
  

  
*
  
  

  
* @var Array
  
  

  
*/
  
  

  
Private $ file  =  false ; 
  
  

  
 
  
  

  
 
  
  

  
/**
  
  

  
* Constructor: Get the information to upload the file
  
  

  
*
  
  

  
* If there is an error in the project of uploading the file, then the error file will not be returned in the result, the files in the result will be available.
  
  

  
*
  
  

  
* @param string $tag form form  <input>  the value of the Name property in the label, example  <input    name="P"   type="File" >  
  
  

  
*
  
  

  
* Example 1, upload a single file:
  
  

  
 *   <input    name="upfile"   type="file"  >  
  
  

  
*
  
  

  
* Example 2, uploading multiple files:
  
  

  
 *   <input    name="upfile[]"   type="File"   > 
  
  

  
 *   <input    name="upfile[]"   type="file"  >  
  
  

  
*
  
  

  
* Results (stored in the $file variable) are as follows:
  
  

  
*
  
  

  
* Array (
  
  

  
* [0] = > Array (
  
  

  
* ' name ' = > ' Abc.txt '
  
  

  
* ' type ' = > ' Text/plain '
  
  

  
* ' tmp_name ' = > '/TMP/PHPGXECCB '
  
  

  
* ' ERROR ' = > 0
  
  

  
* ' size ' = >  +
  
  

  
* )
  
  

  
* [1] = > Array (
  
  

  
* ' name ' = > ' Abc.txt '
  
  

  
* ' type ' = > ' Text/plain '
  
  

  
* ' tmp_name ' = > '/TMP/PHPGXECCB '
  
  

  
* ' ERROR ' = > 0
  
  

  
* ' size ' = >  +
  
  

  
* )
  
  

  
* )
  
  

  
*/
  
  

  
Public function __construct ($tag)
  
  

  
{
  
  

  
 $ file = $_files[$tag]; 
  
  

  
 
  
  

  
if (!isset ($file) | | | empty ($file))
  
  

  
{
  
  

  
Return No files Uploaded
  
  

  
}
  
  

  
 
  
  

  
 $ Num  =  Count ($file [' name ']);//php upload class upload.php number of uploaded files
  
  

  
 
  
  

  
 $ Data  =  Array ();//An array of information used to save the uploaded file
  
  

  

  
  

  
Uploaded multiple Files
  
  

  
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 was 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 information for uploading files
  
  

  
}
  
  

  
 
  
  

  
/**
  
  

  
* Move uploaded files from the Temp folder to the destination path
  
  

  
*
  
  

  
* @param array of $src file information, is one of the elements of the $file array (still an array)
  
  

  
* @param string $destpath The target path of the upload
  
  

  
* @param string $filename The file name after uploading, and if it is empty, use the file name when uploading
  
  

  
* @return BOOL
  
  

  
*/
  
  

  
Public function Save ($SRC, $destpath, $filename  =  null)
  
  

  
{
  
  

  
 $ Srctname = $src [' tmp_name '];//temporary file name of the original upload
  
  

  
 $ Srcfname = $src [' name ']; Original file name
  
  

  
 
  
  

  
If the $filename parameter is empty, the file name when uploading is used
  
  

  
if (empty ($filename))
  
  

  
{
  
  

  
 $ filename = $srcFName; 
  
  

  
}
  
  

  
 
  
  

  
$dest is the path and file name to which the files will eventually be copied
  
  

  
if (empty ($destpath))
  
  

  
{
  
  

  
 $ dest = $filename; 
  
  

  
}
  
  

  
Else
  
  

  
{
  
  

  
Fix the slash in the path, change the end to/, and if not at the end, add a/
  
  

  
 $ Pathend = $destpath [Strlen ($destpath)-1];//The last character of the destination path to upload
  
  

  
if ($pathend  = = ' \ ')
  
  

  
{
  
  

  
 $ dest  =  Substr_replace ($destpath, '/', strlen ($destpath)-1). $filename; 
  
  

  
}
  
  

  
else if ($pathend! = '/')
  
  

  
{
  
  

  
 $ dest = $destpath. ' /'. $filename; 
  
  

  
}
  
  

  
Else
  
  

  
{
  
  

  
 $ dest = $destpath. $filename; 
  
  

  
}
  
  

  
}
  
  

  
 
  
  

  
Upload file successfully
  
  

  
if (@move_uploaded_file ($srcTName, $dest))
  
  

  
{
  
  

  
 
  
  

  
return true;
  
  

  
}
  
  

  
Else
  
  

  
{
  
  

  
return false;
  
  

  
}
  
  

  
}
  
  

  
 
  
  

  
/**
  
  

  
* Get information on uploading files
  
  

  
*
  
  

  
* @return Array
  
  

  
*/
  
  

  
Public Function GetFileInfo ()
  
  

  
{
  
  

  
return $this- > file; 
  
  

  
}
  
  

  
}
  
  

  

  
  

  

  
  

  
$ a  =  New upload (' upfile '); 
  
  

  

  
  

  
$ FileInfo = $a- > GetFileInfo (); 
  
  

  
if ($fileinfo  = = False)
  
  

  
{
  
  

  
Echo ' didn't upload the file! ';
  
  

  
Exit
  
  

  
}
  
  

  

  
  

  
For ($i  =  0; $i  <   Count($ FileInfo); $i + +)
  
  

  
{
  
  

  
Echo ' uploading '. $fileinfo [$i] [' name ']. ' ';
  
  

  
if ($a->  Save ($fileinfo [$i], ' upload ')) echo ' complete '; 
  
  

  
else echo ' failure ';
  
  

  
Echo '  <br>  '; 
  
  

  
}
  
  

  
?>  
 
 

The above code is about PHP upload class upload.php The specific use of the method.

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