In this article, You will learn about how to create pdf file in Codeigniter from image using fpdf library . PDF is the most used format to generate PDF for image document in the web application. PDF file provides a easy and user-friendly way to upload the bunch of records in a pdf format file. If you are working on Codeigniter then you get problem to how to do it. But in this post i am going to share you very simple example to image to pdf convert using FPDF library.
FPDF is a PHP library that helps to generate PDF file from image file. It’s very easy to convert an image to PDF in codeignniter with fpdf.
Step 1: Download Fresh Codeigniter 3
In First step we need to download fresh version of Codeigniter 3, After Download successfully, extract clean new Codeigniter 3 application.
so if you haven’t download yet then download from here : Download Codeigniter 3.
Step 2: Download fpdf library
let’s download fpdf library from here : Click Here to download fpdf. After download, extract it to your “application/libraries” folder and rename it to “fpdf”.
Step 3: Create mypdf.php file in “application/libraries” Folder
Create mypdf.php file in “application/libraries” folder and copy and paste the following code in this file
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); require_once dirname(__FILE__) . '/fpdf/fpdf.php'; class Mypdf extends FPDF { protected $DPI; protected $MM_IN_INCH; protected $A4_HEIGHT; protected $A4_WIDTH; protected $maxwidth; protected $maxheight; function __construct() { $this->DPI = 96; $this->MM_IN_INCH = 25.4; $this->A4_HEIGHT = 297; $this->A4_WIDTH = 210; $this->maxwidth = 1100; $this->maxheight = 700; parent::__construct(); } function pixelsToMM($val) { return $val * $this->MM_IN_INCH / $this->DPI; } function resizeToFit($imgFilename) { list($width, $height) = getimagesize($imgFilename); $widthScale = $this->pixelsToMM($width); $heightScale = $this->pixelsToMM($height); if(($heightScale > $this->A4_HEIGHT) || $widthScale > $this->A4_WIDTH){ $scale= round(($width/($this->A4_WIDTH-10)),2); $scalehight=round(($height/$scale),0); return array( ($this->A4_WIDTH-10), $scalehight ); }else{ return array( round($this->pixelsToMM($width)), round($this->pixelsToMM($height)) ); } } function centreImage($img) { list($xwidth, $xheight) = $this->resizeToFit($img); // you will probably want to swap the width/height // around depending on the page's orientation $this->Image( $img,5,5, $xwidth , $xheight ); } } /* End of file Pdf.php */ |
Step 4: Add Controller Method
In this step we require to add “imagetopdf” method on welcome controller, So let’s add with following code. you have to just copy of welcome.php controller file:
application/controllers/Welcome.php
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<?php defined('BASEPATH') OR exit('No direct script access allowed'); class Welcome extends CI_Controller { public function __construct() { parent::__construct(); $this->load->library("Fpdf"); } /** * Get All Data from this method. * * @return Response */ public function index() { $this->load->view('welcome_message'); } /** * Get Download PDF File * * @return Response */ public function imagetopdf(){ if (!empty($_POST)) { if ($_FILES['file']['name'] != "") { $path = FCPATH . "uploads/imagetopdf"; $config['upload_path'] = $path; $config['allowed_types'] = 'gif|jpg|png|jpeg'; $config['max_size'] = 5024; $this->load->library('upload', $config); $this->upload->initialize($config); if (!$this->upload->do_upload('file')) { $error = $this->upload->display_errors(); $this->session->set_flashdata('error', $this->upload->display_errors()); redirect("welcome/imagetopdf"); } else { $data_upload_files = $this->upload->data(); $image = "uploads/imagetopdf/" . $data_upload_files['file_name']; $exp=explode('.',$_FILES['file']['name']); $downloadfile=$exp[0].".pdf"; $pdf = new Mypdf(); $pdf->AddPage(); $pdf->centreImage($image); $pdf->Output('D', $downloadfile); } }else{ $this->session->set_flashdata('error', 'Error occured!Please try again'); redirect("welcome/imagetopdf"); } }else{ $this->load->view('imagetopdf'); } } } |
Step 5: Add View File
Now at last step we require to create “imagetopdf.php” view file for generate pdf file. So you have to copy below code and create on view folder:
application/views/imagetopdf.php
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<section> <style> input[type="file"] { display: none !important; } .btn-success{ width:100%; font-size: 22px; font-weight: bold;} .navbar-brand img{width:80%;} .well label, .well label img{width:100%;cursor:pointer;} .well{ background: #f6f6f6; border-top: 5px solid #479b25;} .custom-text{font-size:16px;display:none;} @media only screen and (max-width:767px){ .header-text h1 { font-size: 20px; font-weight: bold; color: #03828a; } .well{padding:5px;width:100%;} #myform { margin-left: 0px; margin-right: 0px; } } </style> <div class="container"> <div class="row"> <div class="col-md-12"> <h2>Convert Images to PDF Document Online With Instructions</h2> <div class="col-md-6"> <div class="header-text single_like"> <p><b>Step-1: </b>Select .jpg or .jpeg or .png images from you device and click on "Convert to PDF" button. Wait for the convert PDF to finish. </p> <p><b>Step-2: </b>Automatically download PDF file.</p> </div> </div> <div class="col-md-6"> <fieldset class="well"> <form action="<?php echo base_url();?>/welcome/imagetopdf" name="myform" id="myform" method="post" enctype="multipart/form-data"> <center><p class="custom-text">You have selected <span class="count-file">0</span> files</p></center> <label for="file"><img src="<?php echo base_url();?>uploads/drag-drop-file-upload.jpg" alt="drag-drop-file-upload"></label> <input type="file" name="file" id="file" required=""> <input type="submit" name="submit" id="submit" value="Convert to PDF" class="btn btn-success check"> </form> </fieldset> </div> </div> </div> </div> </section> <script> $(document).ready(function(){ $("input#file").change(function(){ var files = $(this)[0].files; if(files.length > 0){ $(".count-file").text(files.length); $(".count-file").css("font-weight","bold"); $(".count-file").css("color","red"); $(".custom-text").css("display","block"); } }); }); </script> <script> $(document).ready(function(){ $("#submit").click(function(){ $(".custom-text").css("display","none"); }); }); </script> |
Now you can open bellow URL on your browser:
http://localhost:8000/welcome/imagetopdf
If you are on live sever:
http://domainname.com/welcome/imagetopdf
How to Convert HTML to PDF in CodeIgniter using Dompdf Library
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