How to draw an ellipse using imageellipse() function in PHP?

imageellipse() is a built-in function in PHP, used to draw ellipses. Returns True on success and False on failure.

Syntax

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

Parameters

imageellipse() Takes six different parameters: $image、$ cx、$cy、$Width、 $Height, $Color.

• $image - The size of the created 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 - Set the ellipse width.

• $height - Set the height of the ellipse.

• $Color - Set the color of the ellipse. Color identifier created by the imagecolorallocate() function.

Return value

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

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