gdImageFlipHorizontal 4928 ext/gd/gd.c gdImageFlipHorizontal(im); gdImageFlipHorizontal 805 ext/gd/libgd/gd.h void gdImageFlipHorizontal(gdImagePtr im); gdImageFlipHorizontal 70 ext/gd/libgd/gd_transform.c gdImageFlipHorizontal(im);