imagefill

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

imagefillFlood fill

Description

imagefill(
    GdImage $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

A GdImage object, 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.

Changelog

Version Description
8.0.0 image expects a GdImage instance now; previously, a valid gd resource was expected.

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

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