imagecolordeallocate

(PHP 4, PHP 5, PHP 7)

imagecolordeallocate — 取消图像颜色的分配

imagecolordeallocate ( resource $image , int $color ) : bool

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


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

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