PHP multi-File Upload code exercise

HTML form:

<HTML>    <Head><title>Upload file</title>    <Metahttp-equiv= "Content-type"content= "Text/html;charset=utf-8"/>    </Head>    <Body>        <formAction= "test.php"Method= "POST"enctype= "Multipart/form-data">            <!--name must be Max_file_size,value is the number of bytes -            <inputtype= "hidden"name= "Max_file_size"value= "2097152"/>            <!--Accept is the MIME type of the file -            <!--nultiple= "Nultiple" is the representative can choose multiple -            <inputtype= "File"name= "filename[]"multiple= "multiple"Accept= "image/jpeg,image/gif,image/png,application/x-ms-bmp,text/plain,text/html" /><BR><BR>            <inputtype= "Submit"value= "Upload file"/>        </form>    </Body></HTML>

PHP multi-File Upload function form uploads.func.php

<?PHPfunctionGetFiles () {//change the three-dimensional array to a two-dimensional array;    $i=0; foreach($_files  as $file) {        if(Is_array($file[' Name '])) {            foreach($file[' Name '] as $key=$value){                $files[$i[' Name ']=$file[' Name '] [$key]; $files[$i[' Type ']=$file[' type '] [$key]; $files[$i[' Tmp_name ']=$file[' Tmp_name '] [$key]; $files[$i[' Size ']=$file[' Size '] [$key]; $files[$i[' Error ']=$file[' ERROR '] [$key]; $i++; #code ...            }        }ElseIf(is_string($file[' Name '])) {            $files[$i]=$file; $i++; #code ...        }         #code ...     }     return $files;}functionUploadfiles ($files,$path= ' uploads ',$maxsize=2097152){     $result=Array(); //Judge $files[' error ']    if($files[' Error ']===UPLOAD_ERR_OK) {        //determine file size//$maxsize =2097152;        if($files[' Size ']>$maxsize) {            $result[' Msg ']=$files[' name ']. ' File too large '; #code ...        }        //determine file format        $ext[Email protected]Strtolower(End(Explode(‘.‘,$files[' Name ']))); $extarray=Array(' gif ', ' jpeg ', ' jpg '); if(!In_array($ext,$extarray)) {            $result[' Msg ']=$files[' name ']. ' File format is incorrect '; #code ...        }        //Check if it's a real picture        $check=true; if($check) {                        if(@!getimagesize($files[' Tmp_name '])){                $result[' Msg ']=$files[' name ']. ' Not a real picture '; }            #code ...        }        //determine if the post is uploaded via HTTP        if(!Is_uploaded_file($files[' Tmp_name '])) {            $result[' Msg ']=$files[' name ']. ' Not via HTTP POST upload '; #code ...        }        if($result)return $result;//return to $result; Move File//Specify upload directory to determine and create directory//$path = ' uploads ';        if(!file_exists($path)) {            mkdir($path, 0777,true); chmod($path, 0777); #code ...        }        //a unique file name        $newname=MD5(uniqid(Microtime(true),true)).‘.‘.$ext; $destination=$path.‘ /‘.$newname; if(!Move_uploaded_file($files[' Tmp_name '],$destination)){            $result[' Msg ']=$files[' name ']. ' File move failed '; }        $result[' Msg ']=$files[' name ']. ' Upload succeeded '; $result[' Dest ']=$destination; return $result; }Else{        Switch($files[' Error ']){             Case1:$result[' Msg ']=$files[' Name ']. "The file exceeds the value of the Upload_max_filesize option limit in php.ini. ";  Break;  Case2:$result[' Msg ']=$files[' name ']. " The size of the file exceeds the value specified by the MAX_FILE_SIZE option in the HTML form. "; #code ...                    Break;  Case3:$result[' Msg ']=$files[' name ']. " Files are only partially uploaded "; #code ...                    Break;  Case4:$result[' msg ']= ' No files were uploaded '; #code ...                    Break;  Case6:$result[' msg ']= ' cannot find the Temp folder. "; #code ...                    Break;  Case7: Case8:$result[' msg ']= ' system error '; #code ...                    Break; }        return $result; }    }?>

upload.php

<?PHPinclude(' uploads.func.php ');$files=getFiles ();foreach($files  as $value) {    $result=uploadfiles ($value); Echo $result[' msg ']. " <br/> "; $uploads[][email protected]$result[' Dest '];} $uploads=array_values(Array_filter($uploads)); Print_r($uploads);//when the callback of the Array_filter function is left blank, he filters out all keys with a key value of false//array_values () function returns an array containing all the key values in the given array, but does not retain the key name. 

PHP multi-File Upload code exercise