Imagick
PHP Manual

Imagick::steganoImage

Hides a digital watermark within the image

Description

public Imagick Imagick::steganoImage(Imagick $watermark_wand, int $offset)

Hides a digital watermark within the image. Recover the hidden watermark later to prove that the authenticity of an image. Offset defines the start position within the image to hide the watermark.

Parameters

watermark_wand

offset

Return Values

Returns true on success.