wp-mail.phpが継続行のヘッダを無視する

自己フォローです。

とりあえず、Subject: だけは継続行の処理を入れてみました。
極めてアドホックな改造なので、動作は保証できませんが…。

BEGIN — cut here —

diff -ur ORIG/wp-mail.php New/wp-mail.php
--- ORIG/wp-mail.php	2012-04-28 16:17:11.000000000 +0900
+++ New/wp-mail.php	2012-04-28 16:24:00.000000000 +0900
@@ -54,6 +54,7 @@
 	$message = $pop3->get($i);

 	$bodysignal = false;
+	$subjectsignal = false;
 	$boundary = '';
 	$charset = '';
 	$content = '';
@@ -69,6 +70,22 @@
 		if ( $bodysignal ) {
 			$content .= $line;
 		} else {
+			if (($line[0] == " ") || ($line[0] == "\t")) {
+				if ($subjectsignal == true) {
+					$subject2 = trim($line);
+					if ( function_exists('iconv_mime_decode') ) {
+						$subject2 = iconv_mime_decode($subject2, 2, get_option('blog_charset'));
+					} else {
+						$subject2 = wp_iso_descrambler($subject2);
+					}
+					$subject2 = explode($phone_delim, $subject2);
+					$subject .= $subject2[0];
+				}
+			}
+			else {
+				$subjectsignal = false;
+			}
+
 			if ( preg_match('/Content-Type: /i', $line) ) {
 				$content_type = trim($line);
 				$content_type = substr($content_type, 14, strlen($content_type) - 14);
@@ -91,6 +108,7 @@
 				$boundary = $boundary[1];
 			}
 			if (preg_match('/Subject: /i', $line)) {
+				$subjectsignal = true;
 				$subject = trim($line);
 				$subject = substr($subject, 9, strlen($subject) - 9);
 				// Captures any text in the subject before $phone_delim as the subject

END –cut here —