PHP File Upload single file upload, _php tutorial

PHP File Upload single file upload,

For the sake of simplicity, PHP files are written in a file with the form form.

PHP Single File upload---->

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 Php -     if(!Empty($_files)){ +         Header(' Content-type:text/html;charset=utf-8 '); -         $fileInfo=$_files[' MyFile ']; +         Print_r($_files); A         //Exit and print the error message if an upload error occurs at         if($fileInfo[' Error ']>0){ -             Switch($fileInfo[' Error ']){ -                  Case1: -                     $msg _error= ' The upload file exceeds the value of the upload_max_filesize option in the PHP configuration file '; -                      Break; -                  Case2: in                     $msg _error= ' exceeds the size of the form max_file_size limit '; -                      Break; to                  Case3: +                     $msg _error= ' File partial upload '; -                      Break; the                  Case4: *                     $msg _error= ' No file Upload '; $                      Break;Panax Notoginseng                  Case6: -                     $msg _error= ' No temp directory found '; the                      Break; +                  Case7: A                  Case8: the                     $msg _error= ' System error '; +                      Break; -             } $             Exit($msg _error); $         } -         $filename=$fileInfo[' Name ']; -         //gets the file name extension the         $ext=Strtolower(substr($filename,Strrpos($filename,'.') +1)); -         //define an extension that allows uploadingWuyi         $allowExt=Array(' txt ', ' HTML ', ' PNG ', ' gif ', ' JPEG '); the         //detecting the type of upload file -         if(!In_array($ext,$allowExt)){ Wu             Exit(' Upload file type error '); -         } About  $  -        //detecting the size of a file -         $maxSize=2097152; -         if($fileInfo[' Size ']>$maxSize){ A             Exit(' Upload file too large '); +         } the  -         //detects if an HTTP post is being uploaded $         if(!Is_uploaded_file($fileInfo[' Tmp_name '])){ the             Exit(' file is not submitted via HTTP POST. ')); the         } the  the         //ensure file name is unique and prevent overwriting of files of the same name -         $uniqName=MD5(uniqid(Microtime(true),true)).'.'.$ext; in  the         //defines the folder under which to save, if no folder is created the         $path= ' uploads '; About         if(!file_exists($path)){ the             mkdir($path, 0777,true); the             chmod($path, 0777); the         } +         $destination=$path.' /'.$uniqName; -  the         //move files to the directory you want to saveBayi         if(! @Move_uploaded_file($fileInfo[' Tmp_name '],$destination)){ the             Exit(' File upload failed '); the         } -  -         Echo' Upload success '; the  the     } the?>

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