A complete PHP image upload, generating thumbnails, and inserting database code flow _ PHP Tutorial

Upload a complete PHP image, generate a thumbnail, and insert the database code. The following is a complete code for generating thumbnails and inserting data into the database when uploading images in PHP .? Php $ title $ _ POST [title]; $ descr resume ption $ _ POST [descr resume ption]; $ albumID $ _ POST [below is a complete code for PHP to generate a thumbnail and insert a database when writing and uploading images.
$ Title = $ _ POST [title];
$ Descr resume ption =$ _ POST [descr resume ption];
$ AlbumID = $ _ POST [albumID];
$ Iscommend =$ _ POST [iscommend];
$ Isvisible = $ _ POST [isvisible];
$ Uploadtime = date ("Y-m-d H: I: s ");
$ MAX_FILE_SIZE = floor ($ _ POST [MAX_FILE_SIZE]/1024 );

$ FileExtName = strtolower (pathinfo ($ _ FILES [url] [name], PATHINFO_EXTENSION ));
If (! ($ FileExtName = gif) or ($ FileExtName = jpg) or ($ FileExtName = jpeg) or ($ FileExtName = png ))){
Echo" ";
Echo "alert (the file type you uploaded is incorrect. The system only supports PNG, JPG, and GIF formats .); ";
Echo "location = ../uploadpicture. php? AlbumID = $ albumID ;";
Echo" ";
Exit;
}
$ Filename = date ("YmdHis"). substr (microtime (), 2, 5)... $ FileExtName;
$ PictureDir = substr (pathinfo ($ _ SERVER [scr limit pt _ FILENAME], PATHINFO_DIRNAME), 0, strlen (pathinfo ($ _ SERVER [scr limit pt _ FILENAME], PATHINFO_DIRNAME)-8 );
$ UploadURL = $ PictureDir./. $ PictureFolder. $ Filename;
$ ThumbsURL = $ PictureDir./. $ ThumbsFolder. $ Filename;
If (! Move_uploaded_file ($ _ FILES [url] [tmp_name], $ UploadURL )){
Echo" ";
Echo "alert (Upload failed. The image size cannot exceed $ MAX_FILE_SIZE KB .); ";
Echo "location = ../uploadpicture. php? AlbumID = $ albumID ;";
Echo" ";
Exit;
}
List ($ RealWidth, $ RealHeight) = getimagesize ($ UploadURL );
If ($ RealWidth <$ MaxThumbWidth ){
$ Percent = 1;
} Else {
$ Percent = $ MaxThumbWidth/$ RealWidth;
}
$ NewWidth = $ RealWidth * $ percent;
$ NewHeight = $ RealHeight * $ percent;
$ Thumb = imagecreatetruecolor ($ NewWidth, $ NewHeight );
List ($ width, $ height, $ PictureType, $ attrib) = getimagesize ($ UploadURL );
Switch ($ PictureType)
{
Case "1": $ source = imagecreatefromgif ($ UploadURL); break;
Case "2": $ source = imagecreatefromjpeg ($ UploadURL); break;
Case "3": $ source = imagecreatefrompng ($ UploadURL); break;
}
Imagecopyresized ($ thumb, $ source, 0, 0, 0, $ NewWidth, $ NewHeight, $ RealWidth, $ RealHeight );
Switch ($ PictureType)
{
Case "1": imagegif ($ thumb, $ ThumbsURL); break;
Case "2": imagejpeg ($ thumb, $ ThumbsURL); break;
Case "3": imagepng ($ thumb, $ ThumbsURL); break;
}

$ Newpicture_ SQL = "INSERT INTO pictures (flag, title, url, descr resume ption, uploadtime, updatetime, isvisible, iscommend) VALUES ($ albumID, $ title, $ Filename, $ descr resume ption, $ uploadtime, $ uploadtime, $ isvisible, $ iscommend );";
$ SetCover = "Update pictures SET url = $ Filename WHERE id = $ albumID ;";
$ TotalPictures_ SQL = "SELECT * FROM pictures WHERE flag = $ albumID ;";
$ TotalPictures = mysql_query ($ totalPictures_ SQL, $ hesweb) or die (mysql_error ());
$ TotalRows_totalPictures = mysql_num_rows ($ totalPictures );
$ Newpicture = mysql_query ($ newpicture_ SQL, $ hesweb) or die (mysql_error ());
$ PictureID = mysql_insert_id ($ hesweb );
$ CoverFlag = "UPDATE pictures SET iscover = 1 WHERE id = $ pictureID ;";
If ($ totalRows_totalPictures <1 ){
$ Cover = mysql_query ($ setCover, $ hesweb) or die (mysql_error ());
$ Flag = mysql_query ($ coverFlag, $ hesweb) or die (mysql_error ());
}
If ($ coverFlag ){
Echo" ";
Echo "alert (uploaded successfully .); ";
Echo "location = ../uploadpicture. php? AlbumID = $ albumID ;";
Echo" ";
}
?>
I have read the above code and hope you will get something.

Bytes. ? Php $ title = $ _ POST [title]; $ descr resume ption =$ _ POST [descr resume ption]; $ albumID =$ _ POST [albu...