Image Upload in PHP: A Step-by-Step Explanation [Updated]
Briefly

PHP is widely used in developing server-side applications. It efficiently handles the process of uploading files and can connect with popular databases like MySQL, PostgreSQL, SYBASE, and Oracle Database for dynamic websites.
For image upload in PHP, the efficient method involves storing the image in the server directory, while inserting only the file name in the database. This helps in faster webpage loading as images do not take database space.
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