PHP file upload code (supporting file batch upload) _ PHP Tutorial

Php file upload code (supports batch upload of files ). Php Tutorial file upload code (supports batch upload of files) This file Upload class, the default is the leaflet file, you only need to modify $ inputnamefiles to your form name, so that you can easily upload code to the php Tutorial File (support for batch upload of files)

This file Upload class is used to upload leaflets by default. you only need to modify $ inputname = 'Files' to your form name to conveniently Upload files in batches. $ Savename = '': Save the file name. $ alowexts = array (): Set the upload type. $ savepath ='' indicates the save path.
*/

Class upload
{
Public $ savepath;
Public $ files;
Private $ error;

Function _ construct ($ inputname = 'files', $ savepath = '', $ savename ='', $ alowexts = array (), $ maxsize = 1024000)
{
If (! $ Alowexts) $ alowexts = explode ('|', upload_ftype );
$ File_array = array ();
$ Savepath = str_replace ('', '/', $ savepath );
$ Savename = preg_replace ('/[^ a-z0-9 _] +/I', '', $ savename );
$ This-> savepath = substr ($ savepath,-1) = '/'? $ Savepath: $ savepath. '/'; // The path name ends /.

If (! Make_dir ($ this-> savepath ))
{
$ This-> error = 8;
$ This-> error ();
}
// Exit ($ this-> savepath );
If (! Is_writeable ($ this-> savepath ))
{
$ This-> error = 9;
$ This-> error ();
}
If (sizeof ($ _ files [$ inputname] ['error'])> 10)
{
$ This-> error = 13;
$ This-> error ();
}
$ Max = sizeof ($ _ files [$ inputname] ['error'])-1;
// Exit ($ this-> savepath. $ savename );
Foreach ($ _ files [$ inputname] ['error'] as $ key => $ error)
{
If ($ error = upload_err_ OK) // batch Upload
{
$ Savename = $ savename? $ Savename: date ('ymmdms'). mt_rand (Random, 99999 );
$ Fileext = strtolower (get_fileext ($ _ files [$ inputname] ['name'] [$ key]);
$ Savename = $ savename. '.'. $ fileext;
$ Tmp_name = $ _ files [$ inputname] ['tmp _ name'] [$ key];
$ Filesize = $ _ files [$ inputname] ['size'] [$ key];
If (! In_array ($ fileext, $ alowexts ))
{
$ This-> error = 10;
$ This-> error ();
}
If ($ filesize> $ maxsize)
{
$ This-> error = 11;
$ This-> error ();
}
If (! $ This-> isuploadedfile ($ tmp_name ))
{
$ This-> error = 12;
$ This-> error ();
}

If (move_uploaded_file ($ tmp_name, $ this-> savepath. $ savename) | @ copy ($ tmp_name, $ this-> savepath. $ savename ))
{
// Exit ($ this-> savepath. $ savename );
@ Chmod ($ savename, 0644 );
@ Unlink ($ tmp_name );
$ File_array [] = $ this-> savepath. $ savename;
}
}
Else
{
$ This-> error = $ error;
$ This-> error ();
}
Unset ($ savename );
}
$ This-> files = $ file_array;
Return true;
}

Function isuploadedfile ($ file) // remove the built-in backslash.
{
Return (is_uploaded_file ($ file) | is_uploaded_file (str_replace ('\', '', $ file )));
}

Function error ()
{
$ Upload_error = array (0 => 'file uploaded successfully! ',
1 => 'The uploaded file exceeds the limit of the upload_max_filesize option in php. ini! ',
2 => 'The size of the uploaded file exceeds the value specified by the max_file_size option in the html form! ',
3 => 'only part of the file is uploaded! ',
4 => 'no file is uploaded! ',
5 => 'unknown error! ',
6 => 'The temporary folder cannot be found. ! ',
7 => 'an error occurred while writing the file to the temporary folder! ',
8 => 'attachment directory creation failed! ',
9 => 'The attachment Directory has no write permission! ',
10 => 'this type of file cannot be uploaded! ',
11 => 'the file size exceeds the administrator limit! ',
12 => 'upload file illegal! ',
13 => 'up to 10 files can be uploaded at the same time! '
);
Showmsg ($ upload_error [$ this-> error]);
}

}

// Usage

New upload ();

Upload (batch file upload is supported) This file Upload class, which is used to upload leaflets by default. we only need to modify $ inputname = 'Files' for your form name...