Search results for: "server uploads"

What are the potential security risks of using GD library to add watermarks to images in PHP?

One potential security risk of using the GD library to add watermarks to images in PHP is the possibility of allowing arbitrary file uploads, which ca...

What are some recommended web hosting providers for PHP websites with reliable file upload functionality?

When hosting a PHP website that requires reliable file upload functionality, it is important to choose a web hosting provider that offers sufficient s...

How can PHP developers ensure data validation and SQL injection prevention in file upload forms?

To ensure data validation and prevent SQL injection in file upload forms, PHP developers should sanitize user input by using prepared statements and p...

How can the script be modified to correctly recognize and upload images with different field names in PHP?

The issue can be solved by modifying the script to check for different field names for image uploads. This can be done by iterating through the $_FILE...

What are the limitations of persisting data, such as $_POST[], compared to $_FILES[] in PHP?

When persisting data using $_POST[], the limitations include the inability to store files directly in the variable. This is where $_FILES[] comes in h...