imagecolorset
PHP 4, PHP 5, PHP 7, PHP 8
imagecolorset - Set the color for the specified palette index
Manual
imagecolorset(
GdImage$image,
int$color,
int$red,
int$green,
int$blue,
[int$alpha = 0]
): bool|null
GdImage$image,
int$color,
int$red,
int$green,
int$blue,
[int$alpha = 0]
): bool|null
This sets the specified index in the palette to the specified color. This is useful for creating flood-fill-like effects in palleted images without the overhead of performing the actual flood-fill.
Parameters
- image
A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor.
- color
-
An index in the palette.
- red
-
Value of red component.
- green
-
Value of green component.
- blue
-
Value of blue component.
- alpha
-
Value of alpha component.
Return Values
The function returns null on success, or false on failure.
Changelog
| Version | Description |
| 8.0.0 | image expects a GdImage instance now; previously, a resource was expected. |