PHP | ImagickDraw destroy() Function

<?php

// Create a new ImagickDraw object
$draw = new ImagickDraw();

// Draw a circle
$draw->circle(10, 20, 600, 200);

// Draw a line
$draw->line(10, 20, 600, 200);

echo 'Before destroying:<br>';
echo $draw->getVectorGraphics();

// Destroy object
$draw->destroy();

echo '<br>After destroying:<br>';
echo $draw->getVectorGraphics();
?>

<?php

// Create a new imagick object
$imagick = new Imagick();

// Create a image on imagick object
$imagick->newImage(800, 250, 'white');

// Create a new ImagickDraw object
$draw = new ImagickDraw();

// Draw a line
$draw->line(10, 20, 600, 200);

// Render the draw commands
$imagick->drawImage($draw);

// Destroy object after drawing
$draw->destroy();

// Show the output
$imagick->setImageFormat('png');
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>