AW: Parsing pdf file

["Mirco Blitz" <webmaster@xxxxxxxxxxx>]

Thank you for that huge code. I will try.

Greetings
Mirco Blitz 

-----Ursprüngliche Nachricht-----
Von: Matt M. [mailto:h.dudeness@xxxxxxxxx] 
Gesendet: Mittwoch, 9. Februar 2005 22:39
An: Mirco Blitz
Cc: php-general@xxxxxxxxxxxxx
Betreff: Re:  Parsing pdf file

did you try this?


<?php
$test = pdf2string("<pathtoPDFfile>");
echo "$test";

# Returns a -1 if uncompression failed
function pdf2string($sourcefile)
{
   $fp = fopen($sourcefile, 'rb');
   $content = fread($fp, filesize($sourcefile));
   fclose($fp);

   # Locate all text hidden within the stream and endstream tags
   $searchstart = 'stream';
   $searchend = 'endstream';
   $pdfdocument = "";

   $pos = 0;
   $pos2 = 0;
   $startpos = 0;
   # Iterate through each stream block
   while( $pos !== false && $pos2 !== false )
   {
     # Grab beginning and end tag locations if they have not yet been parsed
     $pos = strpos($content, $searchstart, $startpos);
     $pos2 = strpos($content, $searchend, $startpos + 1);
     if( $pos !== false && $pos2 !== false )
     {
         # Extract compressed text from between stream tags and uncompress
         $textsection = substr($content, $pos + strlen($searchstart) + 2,
$pos2 - $pos - strlen($searchstart) - 1);
         $data = @gzuncompress($textsection);
         # Clean up text via a special function
         $data = ExtractText($data);
         # Increase our PDF pointer past the section we just read
         $startpos = $pos2 + strlen($searchend) - 1;
         if( $data === false ) { return -1; }
         $pdfdocument = $pdfdocument . $data;
     }
   }

   return $pdfdocument;
}

function ExtractText($postScriptData)
{
   while( (($textStart = strpos($postScriptData, '(', $textStart)) &&
($textEnd = strpos($postScriptData, ')', $textStart + 1)) &&
substr($postScriptData, $textEnd - 1) != '\\') )
   {
     $plainText .= substr($postScriptData, $textStart + 1, $textEnd -
$textStart - 1);
     if( substr($postScriptData, $textEnd + 1, 1) == ']' ) // This adds
quite some additional spaces between the words
     {
         $plainText .= ' ';
     }

     $textStart = $textStart < $textEnd ? $textEnd : $textStart + 1;
   }

   return stripslashes($plainText);
}
?>

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