Fully encapsulated php file Upload class

Fully encapsulated php file Upload class

Class FileUpload { Private $ filepath; // specifies the path to save the uploaded file Private $ allowtype = array ('GIF', 'jpg ', 'PNG', 'jpeg '); // specifies the type of the file to be uploaded. Private $ maxsize = 1000000; // the maximum allowable file length is 1 MB. Private $ israndname = true; // whether to rename randomly. if the parameter is set to false, the original file name is used. Private $ originName; // source file name Private $ tmpFileName; // temporary file name Private $ fileType; // file type Private $ fileSize; // file size Private $ newFileName; // new file name Private $ errorNum = 0; // error code Private $ errorMess = ""; // used to provide error reports // Used for initial conversion of uploaded files // 1. specify the upload path, 2, the acceptable type, 3, size limit, 4, whether to use the random file name // You do not need to transmit parameters by position. the values provided by the following parameters do not need to provide the values of the previous parameters. Function _ construct ($ options = array ()){ Foreach ($ options as $ key => $ val ){ $ Key = strtolower ($ key ); // Check whether the subscript of the array in the user parameter is the same as the member attribute name If (! In_array ($ key, get_class_vars (get_class ($ this )))){ Continue; } $ This-> setOption ($ key, $ val ); } } Private function getError (){ $ Str = "an error occurred while uploading the file {$ this-> originName :"; Switch ($ this-> errorNum ){ Case 4: $ str. = "no file is uploaded"; break; Case 3: $ str. = "The file is only partially uploaded"; break; Case 2: $ str. = "the uploaded file exceeds the value specified by the MAX_FILE_SIZE option in the HTML form"; break; Case 1: $ str. = "the uploaded file exceeds the value of the upload_max_filesize option in php. ini"; break; Case-1: $ str. = "Last supported types"; break; Case-2: $ str. = "the file to be uploaded is too large to exceed {$ this-> maxSize} bytes"; break; Case-3: $ str. = "Upload failed"; break; Case-4: $ str. = "an error occurred while creating the Upload file directory. please specify the upload Directory Again"; break; Case-5: $ str. = "the path of the file to be uploaded must be specified"; break; Default: $ str. = "Unknown error "; } Return $ str .' '; } // Used to check the file upload path Private function checkFilePath (){ If (empty ($ this-> filepath )){ $ This-> setOption ('errornum',-5 ); Return false; } If (! File_exists ($ this-> filepath) |! Is_writable ($ this-> filepath )){ If (! @ Mkdir ($ this-& gt; filepath, 0755 )){ $ This-> setOption ('errornum',-4 ); Return false; } } Return true; } // Used to check the file upload size Private function checkFileSize (){ If ($ this-> fileSize> $ this-> maxsize ){ $ This-> setOPtion ('errornum', '-2 '); Return false; } Else { Return true; } } // Check the file upload type Private function checkFileType (){ If (in_array (strtolower ($ this-> fileType), $ this-> allowtype )){ Return true; } Else { $ This-> setOption ('errornum',-1 ); Return false; } } // Set the name of the uploaded file Private function setNewFileName (){ If ($ this-> israndname ){ $ This-> setOption ('newfilename', $ this-> proRandName ()); } Else { $ This-> setOption ('newfilename', $ this-> originName ); } } // Set the random file name Private function proRandName (){ $ FileName = date ("YmdHis"). rand (100,999 ); Return $ fileName. '.'. $ this-> fileType; } Private function setOption ($ key, $ val ){ $ This-> $ key = $ val; } // Used to upload a file Function uploadFile ($ fileField ){ $ Return = true; // Check the file upload path If (! $ This-> checkFilePath ()){ $ This-> errorMess = $ this-> getError (); Return false; } $ Name = $ _ FILES [$ fileField] ['name']; $ Tmp_name = $ _ FILES [$ fileField] ['tmp _ name']; $ Size = $ _ FILES [$ fileField] ['size']; $ Error = $ _ FILES [$ fileField] ['error']; If (is_Array ($ name )){ $ Errors = array (); For ($ I = 0; $ I If ($ this-> setFiles ($ name [$ I], $ tmp_name [$ I], $ size [$ I], $ error [$ I]) { If (! $ This-> checkFileSize () |! $ This-> checkFileType ()){ $ Errors [] = $ this-> getError (); $ Return = false; } } Else { $ Error [] = $ this-> getError (); $ Return = false; } If (! $ Return) $ This-> setFiles (); } If ($ return ){ $ FileNames = array (); For ($ I = 0; $ I If ($ this-> setFiles ($ name [$ I], $ tmp_name [$ I], $ size [$ I], $ error [$ I]) { $ This-> setNewFileName (); If (! $ This-> copyFile ()){ $ Errors = $ this-> getError (); $ Return = false; } Else { $ FileNames [] = $ this-> newFileName; } } } $ This-> newFileName = $ fileNames; } $ This-> errorMess = $ errors; Return $ return; } Else { If ($ this-> setFiles ($ name, $ tmp_name, $ size, $ error )){ If ($ this-> checkFileSize () & $ this-> checkFileType ()){ $ This-> setNewFileName (); If ($ this-> copyFile ()){ Return true; } Else { $ Return = false; } } Else { $ Return = false; } } Else { $ Return = false; } If (! $ Return) $ This-> errorMess = $ this-> getError (); Return $ return; } } Private function copyFile (){ If (! $ This-> errorNum ){ $ Filepath = rtrim ($ this-> filepath ,'/').'/'; $ Filepath. = $ this-> newFileName; If (@ move_uploaded_file ($ this-> tmpFileName, $ filepath )){ Return true; } Else { $ This-> setOption ('errornum',-3 ); Return false; } } Else { Return false; } } // Set content related to $ _ FILES Private function setFiles ($ name = "", $ tmp_name = '', $ size = 0, $ error = 0 ){ $ This-> setOption ('errornum', $ error ); If ($ error ){ Return false; } $ This-> setOption ('originname', $ name ); $ This-> setOption ('tmpfilename', $ tmp_name ); $ ArrStr = explode ('.', $ name ); $ This-> setOption ('filetype', strtolower ($ arrStr [count ($ arrStr)-1]); $ This-> setOption ('filesize', $ size ); Return true; } // Get the name of the uploaded file Function getNewFileName (){ Return $ this-> newFileName; } // If the upload fails, call this method to view the error report. Function getErrorMsg (){ Return $ this-> errorMess; } }

Install, upload files, php