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;
}
imagecolordeallocate
(PHP 4, PHP 5, PHP 7, PHP 8)
imagecolordeallocate — De-allocate a color for an image
Description
De-allocates a color previously allocated with imagecolorallocate() or imagecolorallocatealpha().
Parameters
-
image -
A GdImage object, 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.
Changelog
| Version | Description |
|---|---|
| 8.0.0 |
image expects a GdImage
instance now; previously, a valid gd resource was expected.
|
Examples
Example #1 Using imagecolordeallocate()
<?php
$white = imagecolorallocate($im, 255, 255, 255);
imagecolordeallocate($im, $white);
?>See Also
- imagecolorallocate() - Allocate a color for an image
- imagecolorallocatealpha() - Allocate a color for an image
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