PHP | imageellipse() Function

Last Updated : 25 Jul, 2018

The imageellipse() function is an inbuilt function in PHP which is used to draw an ellipse. This function returns TRUE on success or FALSE on failure.

Syntax:

bool imageellipse( $image, $cx, $cy, $width, $height, $color )

Parameters: This function accepts six parameters as mentioned above and described below:

$image: It is returned by one of the image creation functions, such as imagecreatetruecolor(). It is used to create size of image.
$cx: x-coordinate of the center.
$cy: y-coordinate of the center.
$width: The ellipse width.
$height: The ellipse height.
$color: It sets the color of ellipse. A color identifier created by imagecolorallocate() function.

Return Value: It returns TRUE on success or FALSE on failure.

Below programs illustrate the imageellipse() function in PHP:

Program 1:

<?php 
   
// It create the size of image or blank image. 
$image_size = imagecreatetruecolor(500, 300); 
   
// Set the background color of image. 
$background_color = imagecolorallocate($image_size, 255, 255, 255); 
   
// Fill background with above selected color. 
imagefill($image_size, 0, 0, $background_color); 
   
// set color of ellipse. 
$ellipse_color = imagecolorallocate($image_size, 0, 0, 0); 
   
// Function to draw the ellipse. 
imageellipse($image_size, 250, 150, 400, 250, $ellipse_color); 
   
// Output the image. 
header("Content-type: image/png"); 
imagepng($image_size); 
   
?> 

Output:

ellipse

Program 2:

<?php 
   
// It create the size of image or blank image. 
$image = imagecreatetruecolor(300, 500); 
   
// Set the background color of image. 
$bg = imagecolorallocate($image, 0, 102, 0); 
   
// Fill background with above selected color. 
imagefill($image, 0, 0, $bg); 
   
// set color of ellipse. 
$col_ellipse = imagecolorallocate($image, 255, 255, 255); 
   
// Function to draw the ellipse. 
imageellipse($image, 150, 250, 250, 400, $col_ellipse); 
   
// Output the image. 
header("Content-type: image/png"); 
imagepng($image); 
   
?> 