Multifile upload-PHP

Multifile upload-PHP

Multifile upload-PHP Define ('root', 'd:/Program Files/www/test /'); Class Files_Tool { Protected static comment '); Public static $ wrong = array (); Public static $ path = array (); Protected static $ error = array ( 0 => 'File Upload failed, no error occurred, file upload succeeded ', 1 => 'File Upload failed. the uploaded file exceeds the limit of the upload_max_filesize option in php. ini ', 2 => 'File Upload failed. The size of the uploaded file exceeds the value specified by the MAX_FILE_SIZE option in the HTML form ', 3 => 'File Upload failed, only part of the file is upload ', 4 => 'File Upload failed, no file was upload ', 5 => 'File Upload failed, suffix not allowed ', 6 => 'File Upload failed. the temporary folders. PHP 4.3.10 and PHP 5.0.3 cannot be found ', 7 => 'File Upload failed, file writing failed. PHP 5.1.0 introduced ', 8 => 'File Upload failed. the NAME of the form field is not received ', 9 => 'File Upload failed, error unknown' ); Public static function upload ($ name ){ // Check whether the NAME of the form field is received If (! Isset ($ _ FILES [$ name]) { Self: $ wrong [] = 8; Return false; } // The 3-dimensional array is simplified to a 2-dimensional array. $ Files = array_shift ($ _ FILES ); // Obtain the suffix $ Files = self: get_Ext ($ files ); // Number of file processing times $ N = count ($ files ['name']); For ($ I = 0; $ I <$ n; $ I ++ ){ // Check whether the current file has an error message. If yes, skip the current file and process the next file. If ($ files ['error'] [$ I]! = 0 ){ Self: $ wrong [$ I + 1] = $ files ['error'] [$ I]; Continue; } // Check whether the suffix of the current file is allowed. if not, skip the current file. If (! In_array ($ files ['name'] [$ I], self: $ allowExt )){ Self: $ wrong [$ I + 1] = 5; Continue; } // Path $ Dir = self: time_Dir (); // File name $ Name = self: rand_Name (); // Suffix $ Ext = $ files ['name'] [$ I]; // File location $ Path = $ dir. $ name. $ ext; // Move the temporary file. if it fails, the current file will be skipped. If (! Move_uploaded_file ($ files ['tmp _ name'] [$ I], $ path )){ Self: $ wrong [$ I] = 9; Continue; } // Storage path Self: $ path [$ I + 1] = strtr ($ path, array (ROOT => '')); } Return self: $ path; } // Obtain the suffix Protected static function get_Ext ($ arr ){ If (! Is_array ($ arr) |! Isset ($ arr ['name']) {return false ;} Foreach ($ arr ['name'] as $ k => $ v ){ $ Arr ['name'] [$ k] = strtolower (strrchr ($ v ,'.')); } Return $ arr; } // Generate path by date Protected static function time_Dir (){ $ Dir = ROOT. 'data/images/'. date ('Y/m/d/', time ()); If (! Is_dir ($ dir )){ Mkdir ($ dir, 0777, true ); } Return $ dir; } // Generate random file names Protected static function rand_Name (){ $ Str = str_shuffle ('1234567890qwertyuiopasdfghjklzxcvbnm '); $ Str = substr ($ str, 0, 6 ); Return $ str; } // Error interface Public static function errors (){ Foreach (self ::$ wrong as $ k => $ v ){ Self: $ wrong [$ k] = 'quarter '. $ k.'. self: $ error [$ k]; } Return self: $ wrong; } }