minor #16633 [Mime] Allow to embed images as CSS backgrounds (javiereguiluz)

javiereguiluz · javiereguiluz · commit 25a9f9aa065c · 2022-03-24T16:19:11.000+01:00
This PR was squashed before being merged into the 6.1 branch. Discussion ---------- [Mime] Allow to embed images as CSS backgrounds Fixes #16492. Commits ------- 3f15183 [Mime] Allow to embed images as CSS backgrounds
diff --git a/mailer.rst b/mailer.rst
@@ -467,10 +467,18 @@ images inside the HTML contents::
         // ...
         ->embed(fopen('/path/to/images/logo.png', 'r'), 'logo')
         ->embedFromPath('/path/to/images/signature.gif', 'footer-signature')
+
         // reference images using the syntax 'cid:' + "image embed name"
         ->html('<img src="cid:logo"> ... <img src="cid:footer-signature"> ...')
+
+        // use the same syntax for images included as CSS background images
+        ->html('... <div style="background-image: url(cid:footer-signature)"> ... </div> ...')
     ;
 
+.. versionadded:: 6.1
+
+    The support of embedded images as CSS backgrounds was introduced in Symfony 6.1.
+
 .. _mailer-configure-email-globally:
 
 Configuring Emails Globally
