Warning: 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.
Returns the Imagick quantum depth as a string.
Return Values
Returns the Imagick quantum depth as a string, throwing ImagickException
on error.