W3cubDocs
/PHPimagefill
(PHP 4, PHP 5, PHP 7)
imagefill — Flood 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:
See Also
- imagecolorallocate() - Allocate a color for an image
© 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