(PHP 4, PHP 5)
imagecolordeallocate — De-allocate a color for an image
De-allocates a color previously allocated with imagecolorallocate() or imagecolorallocatealpha().
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
The color identifier.
Returns TRUE on success or FALSE on failure.
Example #1 Using imagecolordeallocate()
<?php
$white = imagecolorallocate($im, 255, 255, 255);
imagecolordeallocate($im, $white);
?>