Dompdf plugin for CakePHP 3
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README.md

Dompdf plugin for CakePHP

Requirements

  • PHP version 5.4.16 or higher
  • CakePhp 3.0 or higher
  • Dompdf 0.7

Installation

You can install this plugin into your CakePHP application using composer.

The recommended way to install composer packages is:

composer require daoandco/cakephp-dompdf

After installation, generate symlink for CSS (http://book.cakephp.org/3.0/en/deployment.html#symlink-assets)

// In a shell
bin/cake plugin assets symlink

Quick Start

Loading the Plugin

  // In config/bootstrap.php
  Plugin::load('Dompdf');

Activate pdf extension (http://book.cakephp.org/3.0/en/development/routing.html#routing-file-extensions)

  // In config/routes.php
  Router::scope('/', function ($routes) {

    $routes->extensions(['pdf']);
    ...
  }

Loading component RequestHandler

  // In src/controller/AppController.php
  public function initialize() {
    parent::initialize();

    $this->loadComponent('RequestHandler');
  }

In a controller

class YopController extends AppController {

    public function view($filename) {

        $this->viewBuilder()
            ->className('Dompdf.Pdf')
            ->layout('Dompdf.default')
            ->options(['config' => [
                'filename' => $filename,
                'render' => 'browser',
            ]]);
    }
}

Create a view (pdf content)

<!-- src/Template/Yop/pdf/view.ctp -->
<?php $this->start('header'); ?>
    <p>Header.</p>
<?php $this->end(); ?>

<?php $this->start('footer'); ?>
    <p>Footer.</p>
<?php $this->end(); ?>


<h1>My title</h1>

<p>Banana</p>

<p>Boom !!!</p>

Show the pdf in your browser : http://dev.local/myproject/yop/view/test.pdf

Configuration

Use $this->viewBuilder() with :

View

Header

with default layout and dompdf.css

$this->start('header');
    echo '<p>I'm a header</p>';
$this->end();

Footer

with default layout and dompdf.css

$this->start('footer');
    echo '<p>I'm a footer</p>';
$this->end();

Image

use Helper

/**
  * Générate an image
  * @param  string $path : Path to the image file, relative to the app/webroot/img/ directory
  * @param  array  $options : Array of HTML attributes
  * @return string <img>
  */
public function image($path, $options = false) {
  ...
}

Exemple :

echo $this->Dompdf->image('test.png', ['class' => 'imgclass']);

CSS stylesheets

use Helper

/**
  * Creates a link element for CSS stylesheets
  * @param  string $path : The name of a CSS style sheet
  * @param  bool $plugin : (true) add a plugin css file || (false) add a file in webroot/css /// default : false
  * @return string <link>
  */
public function css($path, $plugin) {
  ...
}

Exemple :

echo $this->Dompdf->css('mycss');

Page break

with dompdf.css

<p>Page 1</p>

<?= $this->Dompdf->page_break(); ?>

<p>Page 2</p>

Render

Display on browser

$this->viewBuilder()
    ->className('Dompdf.Pdf')
    ->layout('Dompdf.default')
    ->options(['config' => [
        'render' => 'browser',
    ]]);

Force download on browser

$this->viewBuilder()
    ->className('Dompdf.Pdf')
    ->layout('Dompdf.default')
    ->options(['config' => [
        'filename' => 'mydocument',
        'render' => 'download',
    ]]);

Upload on server

$this->viewBuilder()
    ->className('Dompdf.Pdf')
    ->layout('Dompdf.default')
    ->options(['config' => [
        'upload_filename' => WWW_ROOT.'pdf/mydocument.pdf',
        'render' => 'upload',
    ]]);

Stream

use Cake\View\ViewBuilder;

$builder = new ViewBuilder();
$builder->className('Dompdf.Pdf')
        ->layout('Dompdf.pdf/default')
        ->template('Pdf/pdf/view')
        ->options(['config' => [
            'render' => 'stream',
        ]]);
$view = $builder->build();

$stream = $view->render();

Paginate

With helper

You can show page number but not number of pages

<!-- In a view -->
<?php $this->start('footer'); ?>
    <p><?= $this->Dompdf->page_number(); ?></p>
<?php $this->end(); ?>

With PdfView

You can show page number and number of pages Use paginate key in view config

$this->viewBuilder()
    ->className('Dompdf.Pdf')
    ->layout('Dompdf.default')
    ->options(['config' => [
        'filename' => $filename,
        'render' => 'browser',
        'paginate' => [
            'x' => 550,
            'y' => 5,
        ],
    ]]);

Paginate options :

  • x : left position : default 0
  • y : top position : default 0
  • font : font family : default null
  • size : font size : default 12
  • text : default "{PAGE_NUM} / {PAGE_COUNT}"
  • color : rgb (array) : default [0,0,0] = black