Pop\Pdf\Pdf::orderPages PHP Метод

    public function orderPages($pgs)
    {
        $newOrder = array();
        // Check if the PDF has more than one page.
        if (count($this->pages) <= 1) {
            throw new Exception('Error: The PDF does not have enough pages in which to order.');
            // Else, check if the numbers of pages passed equals the number of pages in the PDF.
        } else {
            if (count($pgs) != count($this->pages)) {
                throw new Exception('Error: The pages array passed does not contain the same number of pages as the PDF.');
            }
        }
        // Make sure each page passed is within the PDF and not out of range.
        foreach ($pgs as $value) {
            if (!array_key_exists($value - 1, $this->pages)) {
                throw new Exception('Error: The pages array passed contains a page that does not exist.');
            }
        }
        // Set the new order of the page objects.
        foreach ($pgs as $value) {
            $newOrder[] = $this->pages[$value - 1];
        }
        // Set the kids and pages arrays to the new order.
        $this->objects[$this->parent]->kids = $newOrder;
        $this->pages = $newOrder;
        return $this;
    }

    $pdf->addPage('Letter');
    $pdf->setVersion('1.4')->setTitle('Test Title')->setAuthor('Test Author')->setSubject('Test Subject')->setCreateDate(date('D, M j, Y h:i A'));
    $pdf->setCompression(true);
    $pdf->setTextParams(6, 6, 100, 100, 30, 0)->setFillColor(new Rgb(12, 101, 215))->setStrokeColor(new Rgb(215, 101, 12));
    $pdf->addFont('Arial');
    $pdf->addText(50, 620, 18, 'Hello World! & You!', 'Arial');
    $pdf->setTextParams();
    $pdf->addFont('Courier-Bold');
    $pdf->addText(150, 350, 48, 'Hello World!', 'Courier-Bold');
    $sz = $pdf->getStringSize('Hello World!', 'Courier-Bold', 48);
    $pdf->addUrl(150, 350 - $sz['baseline'], $sz['width'], $sz['height'], 'http://www.google.com/');
    $pdf->addPage('Letter');
    $pdf->setFillColor(new Rgb(12, 101, 215))->setStrokeColor(new Rgb(215, 101, 12))->setStrokeWidth(4, 10, 5);
    $pdf->drawCircle(150, 700, 60, false);
    $pdf->setPage(1)->setFillColor(new Rgb(0, 0, 255));
    $pdf->drawRectangle(100, 550, 175, 50);
    $pdf->addLink(100, 550, 175, 50, 150, 550, 1, 2);
    $pdf->setPage(2)->setFillColor(new Rgb(12, 101, 215))->setStrokeColor(new Rgb(215, 101, 12))->setStrokeWidth(4, 10, 5);
    $pdf->drawCircle(250, 650, 25);
    $pdf->addImage('../assets/images/logo-rgb.jpg', 150, 400);
    $pdf->setPage(1)->setFillColor(new Rgb(255, 10, 25))->setStrokeColor(new Rgb(12, 101, 215))->setStrokeWidth(2);
    $pdf->drawEllipse(300, 150, 200, 100, false);
    $pdf->addPage('Legal');
    $pdf->addFont('Courier-Bold');
    $pdf->addText(50, 650, 36, 'Hello World Again!', 'Courier-Bold');
    $pdf->addUrl(50, 650, 380, 36, 'http://www.popphp.org/');
    $pdf->orderPages(array(3, 1, 2));
    $pdf->output();
} catch (\Exception $e) {
    echo $e->getMessage();
}