PHP Manual
Prev |  | Next

# ImageColorClosestAlpha

(PHP 4 >= 4.0.6)

ImageColorClosestAlpha -- Get the index of the closest color to the specified color + alpha

## Description

``int imagecolorclosestalpha` (resource im, int red, int green, int blue, int alpha)`

Returns the index of the color in the palette of the image which is "closest" to the specified RGB value and `alpha` level.

See also imagecolorexactalpha().

> Note: This function was added in PHP 4.0.6 and requires GD 2.0.1

Prev | Home | Next
ImageColorClosest | Up | ImageColorClosestThwb