IHF: to_swiftmailer_emails helper added.

Author: dmitry-ivanov

src/email.php

@@ -26,3 +26,23 @@ function to_rfc2822_email(array $addresses)
         return implode(', ', $result);
     }
 }
+
+if (!function_exists('to_swiftmailer_emails')) {
+    function to_swiftmailer_emails(array $addresses)
+    {
+        $result = [];
+
+        $addresses = !empty($addresses['address']) ? [$addresses] : $addresses;
+        foreach ($addresses as $item) {
+            if (!empty($item['address']) && is_email($item['address'])) {
+                if (!empty($item['name'])) {
+                    $result[$item['address']] = $item['name'];
+                } else {
+                    $result[] = $item['address'];
+                }
+            }
+        }
+
+        return $result;
+    }
+}