imagecolorsforindex

Description

This returns an associative array with red, green, blue and alpha keys that contain the appropriate values for the specified color index.

Example 1. imagecolorsforindex() example <?php // open an image $im = imagecreatefrompng('nexen.png'); // get a color $start_x = 40; $start_y = 50; $color_index = imagecolorat($im, $start_x, $start_y); // make it human readable $color_tran = imagecolorsforindex($im, $color_index); // what is it ? echo '<pre>'; print_r($color_tran); echo '</pre>'; ?> This example will output : Array ( [red] => 226 [green] => 222 [blue] => 252 [alpha] => 0 )

See also imagecolorat() and imagecolorexact().