Search results for: "headers manipulation"

In what ways can sending headers impact the functionality of image manipulation scripts in PHP?

Sending headers before outputting image data can cause errors in image manipulation scripts in PHP because headers must be sent before any output is s...

What are some common security vulnerabilities in PHP when using custom headers in REST APIs?

One common security vulnerability when using custom headers in REST APIs in PHP is the lack of proper validation and sanitization of user input. This...

What are the potential security risks associated with directly embedding POST variables into headers in PHP scripts?

Embedding POST variables directly into headers in PHP scripts can lead to security risks such as injection attacks or data manipulation. To mitigate t...

What is the difference between reading outgoing HTTP headers and incoming HTTP headers in PHP?

When working with HTTP headers in PHP, it's important to understand the distinction between outgoing and incoming headers. Outgoing headers are sent f...

What are the best practices for modifying PDF document properties in PHP, especially when dealing with headers on specific pages?

When modifying PDF document properties in PHP, especially when dealing with headers on specific pages, it is important to use a library like TCPDF or...