This function is
currently not documented; only the argument list is
available.
Warning:
This function is
EXPERIMENTAL. The behaviour of this function, the
name of this function, and anything else documented about this
function may change without notice in a future release of PHP.
Use this function at your own risk.
Creates a new image and associates ImagickPixel value as background color
Parameters
cols
Columns in the new image
rows
Rows in the new image
background
The background color used for this image
format
Image format. This parameter was added in Imagick version 2.0.1.