(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
Devuelve TRUE si todo se llevó a cabo correctamente, FALSE en caso de fallo.
Example#1 Using imagecolordeallocate()
<?php
$white = imagecolorallocate($im, 255, 255, 255);
imagecolordeallocate($im, $white);
?>