PHP | ImagickDraw pathLineToVerticalRelative() 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('blue');
 
// Set the stroke width
$draw->setStrokeWidth(5);
 
// Draw line using pathLineToVerticalRelative
$draw->pathStart();
$draw->pathMoveToRelative(400, 0);
$draw->pathLineToVerticalRelative(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 < 20; $x++) {
    $draw->setStrokeColor($color[$x % 7]);
    $draw->pathStart();
    $draw->pathMoveToRelative($x * 40, 0);
    $draw->pathLineToVerticalRelative(800);
    $draw->pathFinish();
 
}
 
// Render the draw commands
$imagick->drawImage($draw);
 
// Show the output
$imagick->setImageFormat('png');
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>