Simple PHP file upload (instance) _ php Tutorial-PHP Tutorial

Simple PHP file upload (instance ). Save the following code as uploads. php and copy it as follows :! DOCTYPEhtmlPUBLIC-W3CDTDXHTML1.0TransitionalENwww.w3.orgTRxhtml1DTDxhtml1-transitional.dt save the following code as uploads. php

The code is as follows:

Simple file Upload












Function file_list ($ dir, $ pattern = ""){
$ Arr = array ();
$ Dir_handle = opendir ($ dir );
If ($ dir_handle ){
While ($ file = readdir ($ dir_handle ))! = False ){
If ($ file = '.' | $ file = '..'){
Continue;
}
$ Tmp = realpath ($ dir. '/'. $ file );
If (is_dir ($ tmp )){
$ RetArr = file_list ($ tmp, $ pattern );
If (! Empty ($ retArr )){
$ Arr [] = $ retArr;
}
} Else {
If ($ pattern = "" | preg_match ($ pattern, $ tmp )){
$ Arr [] = $ tmp;
}
}
}
Closedir ($ dir_handle );
}
Return $ arr;
}
$ D_root = $ _ SERVER ['document _ root'];
$ Store_dir = "$ d_root/uploads/"; // storage location of the uploaded file
If (! Is_dir ($ store_dir )){
Mkdir ($ store_dir, 0777, true );
}
$ File_arr = file_list ($ store_dir );
Foreach ($ file_arr as $ v => $ k ){
$ D_root_no = strlen ($ d_root );
$ L = substr ($ k, $ d_root_no );
Echo $ v. ':'. $ _ SERVER ['server _ ADDR ']. $ l .'
';
}
$ Upload_file = isset ($ _ FILES ['upload _ file'] ['tmp _ name'])? $ _ FILES ['upload _ file'] ['tmp _ name']: '';
$ Upload_file_name = isset ($ _ FILES ['upload _ file'] ['name'])? $ _ FILES ['upload _ file'] ['name']: '';
$ Upload_file_size = isset ($ _ FILES ['upload _ file'] ['size'])? $ _ FILES ['upload _ file'] ['size']: '';
If ($ upload_file ){
$ File_size_max = 1000*1000*200; // MB limit the maximum file upload capacity (bytes)
If (! Is_dir ($ store_dir )){
Mkdir ($ store_dir, 0777, true );
}
$ Accept_overwrite = 1; // whether to overwrite the same file
// Check the file size
If ($ upload_file_size> $ file_size_max ){
Echo "Sorry, your file capacity exceeds the limit ";
Exit;
}
// Check the read/write file
If (file_exists ($ store_dir. $ upload_file_name )&&! $ Accept_overwrite ){
Echo "files with the same file name exist ";
Exit;
}
// Copy the file to the specified directory
If (! Move_uploaded_file ($ upload_file, $ store_dir. $ upload_file_name )){
Echo "failed to copy the file ";
Exit;
}
}
If (isset ($ _ FILES ['upload _ file']) {
Echo"

You uploaded the file :";
Echo isset ($ _ FILES ['upload _ file'] ['name'])? $ _ FILES ['upload _ file'] ['name']: '';
Echo"
";
// The original name of the client machine file.

Echo "the MIME type of the file is :";
Echo isset ($ _ FILES ['upload _ file'] ['type'])? $ _ FILES ['upload _ file'] ['type']: '';
// MIME type of the file, which must be supported by the browser, for example, "image/gif ".
Echo"
";

Echo "Upload file size :";
Echo isset ($ _ FILES ['upload _ file'] ['size'])? $ _ FILES ['upload _ file'] ['size']: '';
// Size of the uploaded file, in bytes.
Echo"
";

Echo "the file is temporarily stored after being uploaded :";
Echo isset ($ _ FILES ['upload _ file'] ['tmp _ name'])? $ _ FILES ['upload _ file'] ['tmp _ name']: '';
// Temporary file name stored on the server after the file is uploaded.
$ Erroe = isset ($ _ FILES ['upload _ file'] ['error'])? $ _ FILES ['upload _ file'] ['error']: '';
Switch ($ erroe ){
Case 0:
Echo "uploaded successfully"; break;
Case 1:
Echo "the uploaded file exceeds the limit of the upload_max_filesize option in php. ini."; break;
Case 2:
Echo "the size of the uploaded file exceeds the value specified by the MAX_FILE_SIZE option in the HTML form. "; Break;
Case 3:
Echo "only part of the file is uploaded"; break;
Case 4:
Echo "no file is uploaded"; break;
Case 6:
Echo "no cache directory"; break;
Case 7:
Echo "the upload directory cannot be read"; break;
Case 8:
Echo "Upload stopped"; break;
Default:
Echo "file upload not selected"; break;
}
Echo"