Other alpha-friendly functions
The following is a list of other alpha-related fuctions for PHP.
- • imagecolorallocatealpha() - Allocate a new color in the palette with alpha information
- • imagecolorexactalpha() - Match the exact color specified (including the alpha channel).
- • imagecolorclosestalpha() - Match the closest color to that specified.
- • imagecolorresolvealpha() - Same as imagecolorresolve(), except includes alpha channel.