Merge PDF files with PHP

Question

My concept is - there are 10 pdf files in a website  User can select some pdf files and then select merge to create a single pdf file which contains the selected pages  How can i do this with php

User · Answer

Below is the php PDF merge command    fileArray  array  name1 pdf   name2 pdf   name3 pdf   name4 pdf      datadir    save path     outputName    datadir  merged pdf     cmd    gs -q -dNOPAUSE -dBATCH -sDEVICE pdfwrite -sOutputFile  outputName      Add each pdf file to the end of the command foreach  fileArray as  file         cmd     file         result   shell exec  cmd     I forgot the link from where I found it  but it works fine   Note  You should have gs  on linux and probably Mac   or Ghostscript  on windows  installed for this to work

User · Answer

I ve done this before  I had a pdf that I generated with fpdf  and I needed to add on a variable amount of PDFs to it    So I already had an fpdf object and page set up  http   www fpdf org   And I used fpdi to import the files  http   www setasign de products pdf-php-solutions fpdi   FDPI is added by extending the PDF class   class PDF extends FPDI               pdffile    Filename pdf        pagecount    pdf- gt setSourceFile  pdffile         for  i 0   i lt  pagecount   i              pdf- gt AddPage               tplidx    pdf- gt importPage  i 1    MediaBox             pdf- gt useTemplate  tplidx  10  10  200            This basically makes each pdf into an image to put into your other pdf  It worked amazingly well for what I needed it for

User · Answer

myokyawhtun s solution worked best for me  using PHP 5 4   You will still get an error though - I resolved using the following   Line 269 of fpdf tpl php - changed the function parameters to   function Image  file   x null   y null   w 0   h 0   type      link     align      resize false   dpi 300   palign      ismask false   imgmask false   border 0       I also made this same change on line 898 of fpdf php

User · Answer

I ve had similar problem in my software  We ve wanted to merge several PDF files into one PDF file and submit it to an outer service  We ve been using the FPDI solution as shown in Christa s solution   However  the input PDF s we ve been using could be in version higher than 1 7  We ve decided to evaluate the FPDI commercial add-on  However  it turned out that some of the documents scanned by our office copier were having malformed indexes  which crashed the commercial FPDI add-on  So we ve decided to use Ghostscript solution as in Chauhan s answer   But then we got some strange metadata in the output PDF properties   Finally we ve decided to join two solutions to get PDF s merged and downgraded by Ghostscript  but the metadata is set by FPDI  We don t know yet how it would work with some advanced formatted pdfs  but for scans we use it works just fine  Here s our class excerpt   class MergedPDF extends  FPDI       private  documentsPaths   array         public function Render                  outputFileName   tempnam sys get temp dir     merged                merge files and save resulting file as PDF version 1 4 for FPDI compatibility          cmd     usr bin gs -q -dNOPAUSE -dBATCH -dCompatibilityLevel 1 4 -sDEVICE pdfwrite -sOutputFile  outputFileName           foreach   this- gt getDocumentsPaths   as  pdfpath                 cmd       pdfpath                       result   shell exec  cmd            this- gt SetCreator  Your Software Name             this- gt setPrintHeader false            numPages    this- gt setSourceFile  outputFileName           for   i   1   i  lt    numPages   i                   tplIdx    this- gt importPage  i                this- gt AddPage                 this- gt useTemplate  tplIdx                      unlink  outputFileName             content    this- gt Output null   S             return  content             public function getDocumentsPaths                 return  this- gt documentsPaths             public function setDocumentsPaths  documentsPaths                 this- gt documentsPaths    documentsPaths             public function addDocumentPath  documentPath                 this- gt documentsPaths      documentPath            The usage of this class is as follows    pdf   new MergedPDF     pdf- gt setTitle  pdfTitle    pdf- gt addDocumentPath  absolutePath1    pdf- gt addDocumentPath  absolutePath2    pdf- gt addDocumentPath  absolutePath3    tempFileName   tempnam sys get temp dir     merged     content    pdf- gt Render    file put contents  tempFileName   content

User · Answer

cmd    gs -q -dNOPAUSE -dBATCH -sDEVICE pdfwrite -sOutputFile    new     implode       files   shell exec  cmd     A simplified version of Chauhan s answer

User · Answer

Both the accepted answer and even the FDPI homepage seem to give botched or incomplete examples   Here s mine which works and is easy to implement   As expected it requires fpdf and fpdi libraries    FPDF  http   www fpdf org en download php FPDI  https   www setasign com products fpdi downloads   require  fpdf php    require  fpdi php      files     doc1 pdf    doc2 pdf    doc3 pdf      pdf   new FPDI        iterate over array of files and merge foreach   files as  file         pageCount    pdf- gt setSourceFile  file       for   i   0   i  lt   pageCount   i               tpl    pdf- gt importPage  i   1    MediaBox             pdf- gt addPage             pdf- gt useTemplate  tpl               output the pdf as a file  http   www fpdf org en doc output htm   pdf- gt Output  F   merged pdf

User · Answer

I have tried similar issue and works fine  try it   It can handle different orientations between PDFs          array to hold list of PDF files to be merged      files   array  a pdf    b pdf    c pdf         pageCount   0         initiate FPDI      pdf   new FPDI            iterate through the files     foreach   files AS  file               get the page count          pageCount    pdf- gt setSourceFile  file              iterate through all pages         for   pageNo   1   pageNo  lt    pageCount   pageNo                     import a page              templateId    pdf- gt importPage  pageNo                  get the size of the imported page              size    pdf- gt getTemplateSize  templateId                   create a page  landscape or portrait depending on the imported page size              if   size  w    gt   size  h                       pdf- gt AddPage  L   array  size  w     size  h                    else                    pdf- gt AddPage  P   array  size  w     size  h                                    use the imported page              pdf- gt useTemplate  templateId                 pdf- gt SetFont  Helvetica                 pdf- gt SetXY 5  5                pdf- gt Write 8   Generated by FPDI

User · Answer

i suggest PDFMerger from github com  so easy like     include  PDFMerger php     pdf   new PDFMerger    pdf- gt addPDF  samplepdfs one pdf    1  3  4       - gt addPDF  samplepdfs two pdf    1-2       - gt addPDF  samplepdfs three pdf    all       - gt merge  file    samplepdfs TEST2 pdf       REPLACE  file  WITH  browser    download    string   or  file  for output options

User · Answer

This worked for me on Windows    download PDFtk free from https   www pdflabs com tools pdftk-the-pdf-toolkit  drop folder  PDFtk  into the root of c   add the following to your php code where  file1 is the location and name of the first PDF file   file2 is the location and name of the second and  newfile is the location and name of the destination file    file1     c    www   folder1   folder2   file1 pdf      file2     c    www   folder1   folder2   file2 pdf      file3     c    www   folder1   folder2   file3 pdf        command     cmd  c C    pdftk   bin   pdftk exe    file1  file2  newfile   result   exec  command

User · Answer

I created an abstraction layer over FPDI  might accommodate other engines   I published it as a Symfony2 bundle depending on a library  and as the library itself   The bundle  The Library  usage   public function handlePdfChanges Document  document  array  formRawData         oldPath    document- gt getUploadRootDir  this- gt kernel     document- gt getOldPath         newTmpPath    document- gt getFile  - gt getRealPath         switch   formRawData  insertOptions    insertPosition              case PdfInsertType  POSITION BEGINNING                 prepend               newPdf    this- gt pdfManager- gt insert  oldPath   newTmpPath               break          case PdfInsertType  POSITION END                  Append              newPdf    this- gt pdfManager- gt append  oldPath   newTmpPath               break          case PdfInsertType  POSITION PAGE                  insert at page n  PdfA  p1  p2  p3   PdfB  pA  pB  pC                  insert PdfA  PdfB  2  will render  p1  pA  pB  pC  p2  p3                newPdf    this- gt pdfManager- gt insert                       oldPath   newTmpPath   formRawData  insertOptions    pageNumber                                  break          case PdfInsertType  POSITION REPLACE                  does nothing  overrides old file              return              break             pageCount    newPdf- gt getPageCount         newPdf- gt renderFile  mergedPdfPath     newTmpPath merged         document- gt setFile new File  mergedPdfPath  true        return  pageCount

[php] Merge PDF files with PHP

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