php.org PHP Logo
Beginner Intermediate Advanced

Search results for: "alpha channel"

What are best practices for handling alpha channel and transparency in PNG images in PHP?

When working with PNG images in PHP, it is important to handle alpha channel and transparency properly to ensure the desired visual effect. One common...

How can the GD Alpha-* functions in PHP be utilized to handle transparency in images effectively?

To handle transparency in images effectively using GD Alpha-* functions in PHP, you can use the imagealphablending() function to enable or disable alp...

Are there specific considerations or adjustments needed when using PHP to overlay images with transparency to avoid unexpected results like black corners?

When overlaying images with transparency in PHP, it's important to ensure that the alpha channel is properly handled to avoid unexpected results like...

What are the functions imagealphablending() and imagesavealpha() used for in PHP image manipulation?

The functions imagealphablending() and imagesavealpha() are used in PHP image manipulation to enable or disable alpha channel blending and save alpha...

What is the significance of activating Alpha Blending before copying an image in PHP?

Activating Alpha Blending in PHP before copying an image is important when dealing with images that have transparency or alpha channels. This allows t...

Showing 1 to 5 of 181 results

‹ 1 2 3 4 5 6 7 8 9 10 ... 36 37 ›
PHP.ORG

A free knowledge base for PHP developers. Open to all.

Legal

  • About
  • Contact / Imprint
  • Terms
  • FAQ

© 2025 php.org. All rights reserved.