imagecolordeallocate

(PHP 3 >= 3.0.6, PHP 4, PHP 5)

imagecolordeallocate -- 取消图像颜色的分配

说明

int imagecolordeallocate ( resource image, int color )

imagecolordeallocate() 函数取消先前由 imagecolorallocate()imagecolorallocatealpha() 分配的颜色。

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

参见 imagecolorallocate()imagecolorallocatealpha()