<?php
function polyline($strokeColor, $fillColor, $backgroundColor) {
$draw = new \ImagickDraw();
$draw->setStrokeOpacity(1);
$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);
$draw->setStrokeWidth(5);
$points = [
['x' => 40 * 5, 'y' => 10 * 5],
['x' => 20 * 5, 'y' => 20 * 5],
['x' => 70 * 5, 'y' => 50 * 5],
['x' => 60 * 5, 'y' => 15 * 5]
];
$draw->polyline($points);
$image = new \Imagick();
$image->newImage(500, 300, $backgroundColor);
$image->setImageFormat("png");
$image->drawImage($draw);
header("Content-Type: image/png");
echo $image->getImageBlob();
}
?>