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 alpha blending for the image, and then use the imagesavealpha() function to save full alpha channel information for the image.

// Enable alpha blending for transparent images
imagealphablending($image, true);

// Save full alpha channel information for the image
imagesavealpha($image, true);