PHP | imagefilltoborder() Function

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The imagefilltoborder() function is an inbuilt function in PHP which is used to performs a flood fill with a specific color and add a border with a border color.

Syntax:

bool imagefilltoborder( resource $image, int $x, int $y, int $border, int $color )

Parameters: This function accept five parameters as mentioned above and described below:

$image: It specifies the image to be worked upon.
$x: It specifies the x-coordinate of start.
$y: It specifies the y-coordinate of start.
$border: It specifies the border color.
$color: It specifies the fill color.

Return Value: This function returns TRUE on success or FALSE on failure.

Exceptions: This function throws Exception on error.

Below given programs illustrate the imagefilltoborder() function in PHP:

Program 1 (Adding fill color to a image):

<?php 
  
// Load the png image 
$im = imagecreatefrompng( 
'https://media.zambiatek.com/wp-content/uploads/zambiatek-13.png'); 
  
// Create colors 
$borderColor = imagecolorallocate($im, 0, 200, 0); 
$fillColor = imagecolorallocate($im, 0, 0, 200); 
  
// Add fill to border 
imagefilltoborder($im, 0, 0, $borderColor, $fillColor); 
  
// Show the output 
header('Content-type: image/png'); 
imagepng($im); 
?> 

Output:

Program 2 (Adding fill color to a drawing):

<?php 
  
// Create the image handle, set the background to white 
$im = imagecreatetruecolor(800, 250); 
imagefilledrectangle($im, 0, 0, 800, 
        250, imagecolorallocate($im, 0, 255, 0)); 
  
// Draw an ellipse to fill with a black border 
imageellipse($im, 250, 150, 250, 150, 
        imagecolorallocate($im, 0, 0, 0)); 
  
// Fill the selection 
imagefilltoborder($im, 50, 50, imagecolorallocate($im, 
        0, 0, 0), imagecolorallocate($im, 255, 0, 0)); 
  
// Output the image 
header('Content-type: image/png'); 
imagepng($im); 
?> 