Gmagick::getimagecolors
(PECL gmagick >= Unknown)
Gmagick::getimagecolors — Returns the color of the specified colormap index
Description
public Gmagick::getimagecolors ( ) : int
Returns the color of the specified colormap index.
Parameters
This function has no parameters.
Return Values
The number of colors in image.
Errors/Exceptions
Throws an GmagickException on error.
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https://www.php.net/manual/en/gmagick.getimagecolors.php