PHP | ImagickDraw pathMoveToAbsolute() Function

<?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();

// Set the stroke width
$draw->setStrokeWidth(30);

$draw->pathStart();

// Setting the stating point to (400, 40)
$draw->pathMoveToAbsolute(400, 40);

// Setting the end point to (500, 40)
$draw->pathLineToHorizontalAbsolute(500);
$draw->pathFinish();

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

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

<?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();
 
$color = ['blue', 'red', 'green'];
 
// Set the stroke width
$draw->setStrokeWidth(5);
 
// Draw lines
for ($x = 0; $x < 20; $x++) {
    $draw->setStrokeColor($color[$x % 3]);
    $draw->pathStart();
    // Moving to next vertical line
    $draw->pathMoveToAbsolute($x * 40, 0);
    $draw->pathLineToVerticalRelative(800);
    $draw->pathFinish();
}
for ($x = 0; $x < 20; $x++) {
    $draw->setStrokeColor($color[$x % 3]);
    $draw->pathStart();
    // Moving to next horizontal line
    $draw->pathMoveToAbsolute(0, $x * 40);
    $draw->pathLineToHorizontalRelative(800);
    $draw->pathFinish();
 
}
 
// Render the draw commands
$imagick->drawImage($draw);
 
// Show the output
$imagick->setImageFormat('png');
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>