Compares each image the GIF disposed forms of the previous image
in the sequence. From this it attempts to select the smallest
cropped image to replace each frame, while preserving the results
of the animation.
This method is available if Imagick has been compiled against ImageMagick version 6.2.9 or newer.
Return Values
Returns TRUE on success.
Errors/Exceptions
Throws ImagickException on error.
Examples
Example #1 Using Imagick::optimizeImageLayers
Reading, optimizing and writing a GIF image
<?php /* create new imagick object */ $im = new Imagick("test.gif");
/* optimize the image layers */ $im->optimizeImageLayers();
/* write the image back */ $im->writeImages("test_optimized.gif", true); ?>