imagecolordeallocate

(PHP 4, PHP 5, PHP 7, PHP 8)

imagecolordeallocate — 取消图像颜色的分配

说明

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);
?>

参见 imagecolorallocate() 和 imagecolorallocatealpha()。

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