Simple PHP file upload (instance)

There are too many PHP Upload classes for simple PHP file uploads (instances). Here we provide a simple PHP file upload, and a file can be uploaded. Save the following code as uploads. php and copy it as follows: & lt ;! DOCTYPEhtmlPUBLIC-W3CDTDXHTML1.0TransitionalENwww.w3.orgTRxhtml1 simple php file upload (instance)

There are too many PHP Upload classes. Here we provide a simple PHP file to upload, and a file can be uploaded.

Save the following code as uploads. php

The code is as follows:

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???Simple File upload-www.jbxue.com??
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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 uploaded files ??
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 );??
??? The echo $ v. 'file is :? '. $ _ 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 )){? // Www.jbxue.com
??????? Mkdir ($ store_dir, 0777, true );??
??? }??
??? $ Accept_overwrite = 1; // Can I 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 "a file with the same file name exists ";??
??????? 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']: '';?
??? // The MIME type of the file, which must be supported by the browser, such as "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"; 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 uploading not selected"; break ;??
??? }??
??? Echo"