PHP imagecolordeallocate - assign color for an image

PHP Image Processing

imagecolordeallocate - unassigned color of the image.

grammar

bool imagecolordeallocate ( resource $image , int $color )

imagecolordeallocate () function to cancel previously made imagecolorallocate () or imagecolorallocatealpha () assigned color.

Examples

<?php
header("Content-type: image/png");
 $im = @imagecreate(100, 50)
     or die("不能初始化新的 GD 图像流");
 $background_color = imagecolorallocate($im, 255, 255, 255); 
 $text_color = imagecolorallocate($im, 233, 14, 91);
 imagestring($im, 1, 5, 5,  "A Simple Text String", $text_color);
 imagecolordeallocate($im, $background_color);
 imagepng($im);
 imagedestroy($im);
?>

The above example of the output picture is as follows:

related articles

• imagecolorallocate () assign a color to an image.
• imagecolorallocatealpha () assign a color and transparency of an image.

PHP Image Processing