Search results for: "PHP headers"

What are some common issues with sending headers in PHP when downloading files?

One common issue when sending headers in PHP for downloading files is that headers must be sent before any output is generated. To solve this, make su...

What are the best practices for constructing email headers in PHP?

When constructing email headers in PHP, it is important to follow best practices to ensure proper delivery and formatting of the email. This includes...

What are the considerations when using headers in PHP to serve images?

When serving images in PHP using headers, it's important to set the correct content type and length headers to ensure the image is displayed correctly...

What are some common mistakes to avoid when working with headers and data in PHP?

One common mistake to avoid when working with headers and data in PHP is sending headers after outputting data to the browser. This can lead to errors...

How can setting HTTP headers and implementing P3P headers help resolve session data issues related to IFrames in PHP?

Session data can be lost when using IFrames due to browser security restrictions. By setting appropriate HTTP headers and implementing P3P headers, yo...