(No version information available, might be only in CVS)
Imagick::hasPreviousImage — Checks if the object has a previous image
This function is currently not documented; only the argument list is available.
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 true if the object has more images when traversing the list in the reverse direction
Returns true if the object has more images when traversing the list in the reverse direction, throwing ImagickException on failure.