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(); }