[root@ideafix dados]# cat convert.php
<?php
if ($f = fopen('2007-09-28.log', 'r')) do {
        $line = fgets($f);
        $elements = imap_mime_header_decode($line);
        for ($i=0; $i<count($elements); $i++) {
                echo "{$elements[$i]->text}";
        }

} while (!feof($f));

fclose($f);

?>