- $file = fopen ($attachment_dir . $info['localfilename'], 'r');
- while ($tmp = fread($file, 570)) {
- $encoded = chunk_split(base64_encode($tmp));
- $length += strlen($encoded);
- fputs ($fp, $encoded);
- }
+ // Use 'rb' for NT systems -- read binary
+ // Unix doesn't care -- everything's binary! :-)
+ $file = fopen ($attachment_dir . $info['localfilename'], 'rb');
+ if (substr($filetype, 0, 5) == 'text/' ||
+ $filetype == 'message/rfc822') {
+ $header .= "\r\n";
+ fputs ($fp, $header);
+ $length += strlen($header);
+ while ($tmp = fgets($file, 4096)) {
+ $tmp = str_replace("\r\n", "\n", $tmp);
+ $tmp = str_replace("\r", "\n", $tmp);
+ $tmp = str_replace("\n", "\r\n", $tmp);
+ if (feof($fp) && substr($tmp, -2) != "\r\n")
+ $tmp .= "\r\n";
+ fputs($fp, $tmp);
+ $length += strlen($tmp);
+ }
+ } else {
+ $header .= "Content-Transfer-Encoding: base64\r\n\r\n";
+ fputs ($fp, $header);
+ $length += strlen($header);
+ while ($tmp = fread($file, 570)) {
+ $encoded = chunk_split(base64_encode($tmp));
+ $length += strlen($encoded);
+ fputs ($fp, $encoded);
+ }
+ }