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I have built a small web application in PHP where users must first log in. Once they have logged in, I intend on showing a small thumbnail as part of their "profile".
I will have to ensure the image is below a particular size to conserve space, or ensure it is a particular resolution, or both, or even perhaps use something like image magick to scale it down.
Not sure what the best approach for that is yet, any ideas welcome.
Also, I have been trying to work out if it is better to store the image in the users table of MySQL as a blob, or maybe a separate images table with a unique id, and just store the appropriate image id in the users table, or simply save the uploaded file on the server (via an upload page as well) and save the file as theUsersUniqueUsername.jpg. Best option?
I found a tutorial on saving images to mysql here: http://www.phpriot.com/articles/images-in-mysql
I am only a hobby programmer, and haven't ever done anything like this before, so examples, and/or a lot of detail is greatly appreciated.
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Yes, you can store images in the database, but it's not advisable in my opinion, and it's not general practice. A general practice is to store images in directories on the file system and store references to the images in the database.
A Binary Large Object ( BLOB ) is a MySQL data type that can store binary data such as images, multimedia, and PDF files.
Storing images in a database table is not recommended. There are too many disadvantages to this approach. Storing the image data in the table requires the database server to process and traffic huge amounts of data that could be better spent on processing it is best suited to.
Generally databases are best for data and the file system is best for files. It depends what you're planning to do with the image though. If you're storing images for a web page then it's best to store them as a file on the server. The web server will very quickly find an image file and send it to a visitor.
Always depends of context, but usually, I store a user image on the filesystem in a folder called /content/user/{user_id}.jpg and try to bother the database as little as possible.
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