(PHP 4, PHP 5, PHP 7)
imagefill — Flood fill
$image
, int $x
, int $y
, int $color
)
Performs a flood fill starting at the given coordinate (top left is 0, 0)
with the given color in the
image.
imageAn image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
xx-coordinate of start point.
yy-coordinate of start point.
colorThe fill color. A color identifier created with imagecolorallocate().
Returns TRUE on success or FALSE on failure.
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: