Ticket #15448: 15448-multi.diff

pluggable.php

@@ -247 +247 @@
  * However, you can set the content type of the email by using the
  * 'wp_mail_content_type' filter.
  *
+ * If $message is an array, the key of each is used to add as an attachment
+ * with the value used as the body. The 'text/plain' element is used as the
+ * text version of the body, with the 'text/html' element used as the HTML
+ * version of the body. All other types are added as attachments.
+ *
  * The default charset is based on the charset used on the blog. The charset can
  * be set using the 'wp_mail_charset' filter.
  *
@@ -263 +268 @@
  *
  * @param string|array $to Array or comma-separated list of email addresses to send message.
  * @param string $subject Email subject
- * @param string $message Message contents
+ * @param string|array $message Message contents
  * @param string|array $headers Optional. Additional headers.
  * @param string|array $attachments Optional. Files to attach.
  * @return bool Whether the email contents were sent successfully.
@@ -332 +337 @@
                                                 }
                                                 break;
                                         case 'content-type':
+                                                if ( is_array($message) ) {
+                                                        // Multipart email, ignore the content-type header
+                                                        break;
+                                                }
                                                 if ( strpos( $content, ';' ) !== false ) {
                                                         list( $type, $charset ) = explode( ';', $content );
                                                         $content_type = trim( $type );
@@ -403 +412 @@
                 $phpmailer->AddAddress( trim( $recipient ) );
         }
 
+        // If we don't have a charset from the input headers
+        if ( !isset( $charset ) )
+                $charset = get_bloginfo( 'charset' );
+
+        // Set the content-type and charset
+        $phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset );
+
         // Set mail's subject and body
         $phpmailer->Subject = $subject;
-        $phpmailer->Body    = $message;
 
+        if ( is_string($message) ) {
+                $phpmailer->Body    = $message;
+
+                // Set Content-Type and charset
+                // If we don't have a content-type from the input headers
+                if ( !isset( $content_type ) )
+                        $content_type = 'text/plain';
+
+                $content_type = apply_filters( 'wp_mail_content_type', $content_type );
+
+                $phpmailer->ContentType = $content_type;
+
+                // Set whether it's plaintext, depending on $content_type
+                if ( 'text/html' == $content_type )
+                        $phpmailer->IsHTML( true );
+
+                // For backwards compatibility, new multipart emails should use
+                // the array style $message. This never really worked well anyway
+                if ( false !== stripos( $content_type, 'multipart' ) && ! empty($boundary) )
+                        $phpmailer->AddCustomHeader( sprintf( "Content-Type: %s;\n\t boundary=\"%s\"", $content_type, $boundary ) );
+        }
+        elseif ( is_array($message) ) {
+                foreach ($message as $type => $bodies) {
+                        foreach ((array) $bodies as $body) {
+                                if ($type === 'text/html') {
+                                        $phpmailer->Body = $body;
+                                }
+                                elseif ($type === 'text/plain') {
+                                        $phpmailer->AltBody = $body;
+                                }
+                                else {
+                                        $phpmailer->AddAttachment($body, '', 'base64', $type);
+                                }
+                        }
+                }
+        }
+
         // Add any CC and BCC recipients
         if ( !empty( $cc ) ) {
                 foreach ( (array) $cc as $recipient ) {
@@ -423 +475 @@
         // Set to use PHP's mail()
         $phpmailer->IsMail();
 
-        // Set Content-Type and charset
-        // If we don't have a content-type from the input headers
-        if ( !isset( $content_type ) )
-                $content_type = 'text/plain';
-
-        $content_type = apply_filters( 'wp_mail_content_type', $content_type );
-
-        $phpmailer->ContentType = $content_type;
-
-        // Set whether it's plaintext, depending on $content_type
-        if ( 'text/html' == $content_type )
-                $phpmailer->IsHTML( true );
-
-        // If we don't have a charset from the input headers
-        if ( !isset( $charset ) )
-                $charset = get_bloginfo( 'charset' );
-
-        // Set the content-type and charset
-        $phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset );
-
         // Set custom headers
         if ( !empty( $headers ) ) {
                 foreach( (array) $headers as $name => $content ) {
                         $phpmailer->AddCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
                 }
-
-                if ( false !== stripos( $content_type, 'multipart' ) && ! empty($boundary) )
-                        $phpmailer->AddCustomHeader( sprintf( "Content-Type: %s;\n\t boundary=\"%s\"", $content_type, $boundary ) );
         }
 
         if ( !empty( $attachments ) ) {