Draw an Ellipse Using imageellipse Function in PHP

imageellipse() is an inbuilt function in PHP that is used to draw an ellipse. It returns True on success and False on failure.

Syntax

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

Parameters

imageellipse() takes six different paramters: $image, $cx, $cy, $width, $height, $color.

• $image − Creates the size of the image. It is returned by one of the image creation functions, such as imagecreatetruecolor().

• $cx − Sets the x-coordinate of the center.

• $cy − Sets the y-coordinate of the center.

• $width − Sets the ellipse width.

• $height − Sets the ellipse height.

• $color − Sets the color of ellipse. A color identifier created by imagecolorallocate() function.

Return Values

It returns True on success and False on failure.

Example 1

<?php
   // Create a blank image.
   $image = imagecreatetruecolor(700, 350);

   // Select the background color.
   $bg = imagecolorallocate($image, 0, 0, 0);

   // Fill the background with the color selected above.
   imagefill($image, 0, 0, $bg);

   // Choose a color for the ellipse.
   $col_ellipse = imagecolorallocate($image, 255, 255, 255);

   // Draw the ellipse.
   imageellipse($image, 325, 175, 500, 175, $col_ellipse);

   // Output the image.
   header("Content-type: image/png");
   imagepng($image);
?>

Output

Example 2

<?php
   //It creates the blank image or size of the image.
   $image = imagecreatetruecolor(700, 600);

   //Set the background color of the image.
   $bg = imagecolorallocate($image, 122, 122, 122);

   //Fill background with the above-selected color.
   imagefill($image, 0, 0, $bg);

   // set color of the ellipse.
   $col_ellipse = imagecolorallocate($image, 0, 255, 255);

   // Function to draw the ellipse.
   imageellipse($image, 250, 300, 300, 550, $col_ellipse);

   // Output of the image.
   header("Content-type: image/gif");
   imagepng($image);
?>

Output