Question 1

How to extract and save GIF frames as individual images using GifFrameExtractor?

Accepted Answer

After extracting frames with extract(), use getFrames() to access each frame's image resource, then save them with PHP's image functions like imagepng() or imagejpeg(). The README shows how to loop through frames, but you'll need additional code for saving files.

Question 2

GifFrameExtractor vs ImageMagick for GIF processing in PHP?

Accepted Answer

GifFrameExtractor is a lightweight, dependency-free library focused on frame extraction, while ImageMagick offers broader image manipulation features but requires external installation. Choose GifFrameExtractor for simple extraction tasks, but opt for ImageMagick if you need advanced editing or format support.

Question 3

Does GifFrameExtractor preserve animation timing when modifying frames?

Accepted Answer

Yes, it captures each frame's duration via getFrameDurations(), allowing you to maintain original timing when reconstructing GIFs. However, you must handle the re-encoding process separately using other tools or libraries.

Question 4

Can GifFrameExtractor handle large or high-resolution GIF files efficiently?

Accepted Answer

As a PHP-based solution, it may face performance limitations with very large files due to memory usage and processing speed. The README doesn't specify optimizations, so test with your specific file sizes to ensure adequate performance.

Question 5

Is GifFrameExtractor compatible with modern PHP versions?

Accepted Answer

The README doesn't mention specific PHP version requirements, but since it uses core functions, it likely works with recent versions. Check the GitHub repository for updates or compatibility notes to confirm.

Question 6

How to add a watermark to each frame of a GIF with GifFrameExtractor?

Accepted Answer

Extract frames using extract(), then iterate through getFrames() to overlay a watermark image on each frame resource using PHP's GD library. After modification, you'll need another library to recompile the frames into an animated GIF, as GifFrameExtractor doesn't provide this functionality.

GifFrameExtractor

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