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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);
   
?>

Output:

ellipse

Reference: http://php.net/manual/en/function.imageellipse.php




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