PHP | ImagickDraw pathLineToHorizontalRelative() 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 color
$draw->setStrokeColor('Green');

// Set the stroke width
$draw->setStrokeWidth(5);

// Draw line using pathLineToHorizontalRelative
$draw->pathStart();
$draw->pathMoveToRelative(0, 100);
$draw->pathLineToHorizontalRelative(1000);
$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', 'yellow', 'orange', 'brown', 'pink'];

// Set the stroke width
$draw->setStrokeWidth(5);

// Draw lines
for ($x = 0; $x < 7; $x++) {
    $draw->setStrokeColor($color[$x]);
    $draw->pathStart();
    $draw->pathMoveToRelative(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();
?>