imagefill

(PHP 4, PHP 5, PHP 7)

imagefillFlood fill

Description

imagefill ( resource $image , int $x , int $y , int $color ) : bool

Performs a flood fill starting at the given coordinate (top left is 0, 0) with the given color in the image.

Parameters

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

x

x-coordinate of start point.

y

y-coordinate of start point.

color

The fill color. A color identifier created with imagecolorallocate().

Return Values

Returns true on success or false on failure.

Examples

Example #1 imagefill() example

<?php

$im = imagecreatetruecolor(100, 100);

// sets background to red
$red = imagecolorallocate($im, 255, 0, 0);
imagefill($im, 0, 0, $red);

header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
?>

The above example will output something similar to:

Output of example : imagefill()

See Also

© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.imagefill.php