The Imagick class
PHP Manual

Imagick::compareImageLayers

(No version information available, might be only in CVS)

Imagick::compareImageLayersReturns the maximum bounding region between images

Description

Imagick Imagick::compareImageLayers ( int $method )
Warning

This function is currently not documented; only its argument list is available.

Compares each image with the next in a sequence and returns the maximum bounding region of any pixel differences it discovers.

Parameters

method

One of the layer method constants.

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.


The Imagick class
PHP Manual