Mit PHP suchen und ersetzen in OpenOffice PDFs

 
function string2hex($string){
	$array = str_split($string);		
	
	foreach ($array as $value) {
		$final .= "00" .bin2hex($value);			   
	}
	
	$final = strtoupper($final);
	
	return $final;
}

$source = 'openoffice.pdf';  
$dest = 'openoffice_out.pdf';  

$search = '##StandText##';  
$replace = '1234567890123';  

$f = fopen($source, 'rb');  
$content = fread ($f, filesize ($source));

$content = str_replace(string2hex($search), string2hex($replace), $content);

// Download
session_cache_limiter("private");  
session_cache_limiter("must-revalidate");  

header('Pragma: public');  
header("Content-Disposition: attachment; filename=test.pdf");  
header("Content-type: application/pdf");  

echo $content;