imagecolorexactalpha
PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8
imagecolorexactalpha - Get the index of the specified color + alpha
Manual
imagecolorexactalpha(
GdImage$image,
int$red,
int$green,
int$blue,
int$alpha ): int
Returns the index of the specified color+alpha in the palette of the image.
Parameters
- image
A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor.
- red
-
Value of red component.
- green
-
Value of green component.
- blue
-
Value of blue component.
- alpha
-
A value between 0 and 127. 0 indicates completely opaque while 127 indicates completely transparent.
Return Values
Returns the index of the specified color+alpha in the palette of the image, or -1 if the color does not exist in the image's palette.
Changelog
| Version | Description |
| 8.0.0 | image expects a GdImage instance now; previously, a resource was expected. |