(PHP 4 >= 4.0.6, PHP 5)
imagesettile — Set the tile image for filling
imagesettile() sets the tile image to be used by all region filling functions (such as imagefill() and imagefilledpolygon()) when filling with the special color IMG_COLOR_TILED.
A tile is an image used to fill an area with a repeated pattern. Any GD image can be used as a tile, and by setting the transparent color index of the tile image with imagecolortransparent(), a tile allows certain parts of the underlying area to shine through can be created.
Note: You need not take special action when you are finished with a tile, but if you destroy the tile image, you must not use the IMG_COLOR_TILED color until you have set a new tile image!
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
The image resource to be used as a tile
Returns TRUE on success or FALSE on failure.