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:
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);    ?> |
Output:
Reference: http://php.net/manual/en/function.imageellipse.php
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