Lire un fichier pdf avec php

<?php  
  
//1-download fichier à https://www.pdflib.com/download/tet/ (version windows xp 32 bits, TET-4.0p2-MSWin32.msi)  
//2-installer sur un ordi, pas obliger d'être le serveur  
//3-aller C:\Program Files (x86)\PDFlib\TET 4.0p2 32-bit\bind\php, il y a les versions de php  
//4-prendre libtet_php.dll dans le bon répertoire représentant la version de php installé  
//5-mettre ce fichier dans le répertoire de php\ext et modifier php.ini pour mettre extension=libtet_php.dll  
// il doit y avoir une section TET lorsqu'on fait php phpinfo();   
  
  
// ***   $Id: extractor.php,v 1.11 2010/07/21 19:58:35 rjs Exp $ Simple PDF text extractor based on PDFlib TET   ***  
$globaloptlist = "searchpath={../data ../../data ../../../resource/cmap}"; //global option list  
$docoptlist = "";       // document-specific option list  
$pageoptlist = "granularity=page";     // page-specific option list  
$separator = "\n";    // separator to emit after each chunk of text. This depends on the application's needs; for granularity=word a space character may be useful  
  
$pageno = 0;  
  
try {  
  
    $tet = new TET();  
  
//mettre ici les infos nécessaire  
$filepdf = file_get_contents('http://www.irs.gov/pub/irs-pdf/fw4.pdf'); //adresse web du fichier PDF  
$pvf_filename = "/pvf/virt.pdf";     //nom du fichier virtuel, peux laisser tel quel  
$tet->create_pvf($pvf_filename, $filepdf,"" );    //ici c'est la création dufichier virtuel, donc pas touche  
$infilename = $pvf_filename;  
$outfilename = "fichier.txt";      //nom du fichier de sortie  
  
  
    if (!$outfp = fopen("$outfilename", "wb" )) {  
 die("Couldn't open output file '" . $outfilename . "'\n" );  
    }  
  
  
    $tet->set_option($globaloptlist);  
  
    $doc = $tet->open_document($infilename, $docoptlist);  
  
    if ($doc == -1) {  
 die("Error ". $tet->get_errnum() . " in " . $tet->get_apiname()  
     . "(): " . $tet->get_errmsg() . "\n" );  
    }  
  
    /* get number of pages in the document */  
    $n_pages = $tet->pcos_get_number($doc, "length:pages" );  
  
    /* loop over pages in the document */  
    for ($pageno = 1; $pageno <= $n_pages; ++$pageno) {  
  
 $page = $tet->open_page($doc, $pageno, $pageoptlist);  
  
 if ($page == -1) {  
     print("Error ". $tet->get_errnum() ." in ". $tet->get_apiname()  
  . "(): " . $tet->get_errmsg() . "\n" );  
     next;                        /* try next page */  
 }  
  
 /* Retrieve all text fragments; This is actually not required  
  * for granularity=page, but must be used for other granularities.  
  */  
 while (($text = $tet->get_text($page)) != "" ) {  
  
     fwrite($outfp, $text);  /* print the retrieved text */  
  
     /* print a separator between chunks of text */  
     fwrite($outfp, $separator);  
 }  
  
  
 if ($tet->get_errnum() != 0) {  
     print("Error ". $tet->get_errnum() . " in " .   
      $tet->get_apiname() . "(): on page $pageno"   
      . $tet->get_errmsg() . "\n" );  
 }  
  
 $tet->close_page($page);  
    }  
  
    fclose($outfp);  
  
    $tet->close_document($doc);  
}  
catch (TETException $e) {  
    if ($pageno == 0) {  
 die("TET exception occurred in extractor sample:\n" .  
     "[" . $e->get_errnum() . "] " . $e->get_apiname() . ": " .  
     $e->get_errmsg() . "\n" );  
    } else {  
 die("TET exception occurred in extractor sample:\n" .  
     "[" . $e->get_errnum() . "] " . $e->get_apiname() .  
     "on page $pageno: " .  $e->get_errmsg() . "\n" );  
    }  
}  
catch (Exception $e) {  
    die($e);  
}  
  
$tet = 0;  
  
?>