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imagecolorclosest

Description

The imagecolorclosest of Image for PHP get the index of the closest color to the specified color.

Syntax

imagecolorclosest(
    GdImage $image,
    int $red,
    int $green,
    int $blue
): int

Parameters

image

A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().

red

Value of red component.

green

Value of green component.

blue

Value of blue component.

Return

Returns the index of the closest color in the palette of the image.

Examples

1 · return

<?

$width = 100;
$height = 100;
$image = imagecreatetruecolor($width, $height);

$red = 255;
$green = 128;
$blue = 0;

$return = imagecolorclosest($image, $red, $green, $blue);

echo $return;

?>
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