imagecolordeallocate

(PHP 4, PHP 5, PHP 7, PHP 8)

imagecolordeallocate — De-allocate a color for an image

function imagecolordeallocate(GdImage $image, int $color): true

De-allocates a color previously allocated with imagecolorallocate() or imagecolorallocatealpha().

image: A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().
color: The color identifier.

Always returns true.

Version	Description
8.0.0	`image` expects a GdImage instance now; previously, a valid `gd` resource was expected.

Example #1 Using imagecolordeallocate()

<?php
$white = imagecolorallocate($im, 255, 255, 255);
imagecolordeallocate($im, $white);
?>