(PHP 4 >= 4.0.1, PHP 5, PHP 7, PHP 8)
imagecolorclosesthwb — Get the index of the color which has the hue, white and blackness
Get the index of the color which has the hue, white and blackness nearest the given color.
imageA GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().
redValue of red component.
greenValue of green component.
blueValue of blue component.
Returns an integer with the index of the color which has the hue, white and blackness nearest the given color.
| Version | Description |
|---|---|
| 8.0.0 |
image expects a GdImage
instance now; previously, a valid gd resource was expected.
|
Example #1 Example of using imagecolorclosesthwb()
<?php
$im = imagecreatefromgif('php.gif');
echo 'HWB: ' . imagecolorclosesthwb($im, 116, 115, 152);
?>The above example will output something similar to:
HWB: 33