Bonjour,
dans un script php :
***********************************************
<?php

function pdf2string($sourcefile)
{
$fp = fopen($sourcefile, 'rb');
$content = fread($fp, filesize($sourcefile));
$ha=filesize($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) != '\\') )
{
// $postScriptData=str_replace("\(","parentheseG",$postScriptData);
// $postScriptData=str_replace("\)","parentheseD",$postScriptData);
$plainText .= substr($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;
}
// Translate special characters and put back brackets.
$trans = array(
'...' => '…',
'\205' => '…',
'\221' => chr(145),
'\222' => chr(146),
'\223' => chr(147),
'\224' => chr(148),
'\226' => '-',
'\267' => '•',
'\222' => "'",
'\351' => 'é',
'\350' => 'è',
'\347' => 'ç',
'\253' => '"',
'\273' => '"',
'\(' => '(',
'\[' => '[',
'##ENDBRACKET##' => ')',
'##ENDSBRACKET##' => ']',
chr(133) => '-',
chr(141) => chr(147),
chr(142) => chr(148),
chr(143) => chr(145),
chr(144) => chr(146),
);
// $plainText=str_replace("parentheseG","(",$plainText);
// $plainText=str_replace("parentheseD"," )",$plainText);
$plainText = strtr($plainText, $trans);
return stripslashes($plainText);
}
$test = pdf2string("107.pdf");
echo $test."fini";
?>
**************************************
j'obtiens la réponse suivante:

Warning: gzuncompress() [function.gzuncompress]: data error in....

je ne trouve nulle part des explications à ce message; est-ce une erreur de script? est-ce que mon pdf n'est pas déchiffrable?

merci pour votre aide

Configuration: Windows XP
Firefox 3.0.11