imagecolordeallocate

(PHP 4, PHP 5, PHP 7)

imagecolordeallocate — De-allocate a color for an image

Description

bool imagecolordeallocate ( resource $image , int $color )

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

Parameters

image: An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
color: The color identifier.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 Using imagecolordeallocate()


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

User Contributed Notes

sabretur

2 years ago


A faster way to get HTML color values:

function rgb2html($r, $g, $b){
$r = sprintf('%02x',$r);
$g = sprintf('%02x',$g);
$b = sprintf('%02x',$b);
return '#'.$r.$g.$b;
}