Use CURLFile to attach files if possible. Closes #12.

MailgunMessage.php

@@ -7,6 +7,8 @@ class MailgunMessage implements MailgunObject
     const CLICKS_TRACKING_ENABLED = 1;
     const CLICKS_TRACKING_HTML_ONLY = 2;
 
+    protected static $_legacyAttachMode;
+
     private $_from;
     private $_to = array();
     private $_cc = array();
@@ -35,6 +37,10 @@ class MailgunMessage implements MailgunObject
 
     public function __construct(MailgunApi $api)
     {
+        if (self::$_legacyAttachMode === null) {
+            self::$_legacyAttachMode = !class_exists('CURLFile', false);
+        }
+
         $this->_api = $api;
         $this->_from = $api->getFrom();
         $this->_tags = $api->getTags();
@@ -477,11 +483,11 @@ public function getPostData()
         }
 
         foreach ($this->_attachments as $number => $attachment) {
-            $data['attachment[' . ($number + 1) . ']'] = '@' . $attachment;
+            $data['attachment[' . ($number + 1) . ']'] = $this->_attach($attachment);
         }
 
         foreach ($this->_inline as $number => $attachment) {
-            $data['inline[' . ($number + 1) . ']'] = '@' . $attachment;
+            $data['inline[' . ($number + 1) . ']'] = $this->_attach($attachment);
         }
 
         foreach ($this->_tags as $number => $tag) {
@@ -570,4 +576,9 @@ private function _formatAddresses(array $addresses)
         }
         return implode(', ', $formattedAddresses);
     }
+
+    private function _attach($attachment)
+    {
+        return self::$_legacyAttachMode ? '@' . $attachment : new CURLFile($attachment);
+    }
 }

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "baibaratsky/php-mailgun",
-    "description": "Mailgun API PHP library and Yii extension",
-    "keywords": ["mailgun", "mail", "email", "mailing lists", "yii"],
+    "description": "Mailgun API PHP library and Yii extension (as well as Yii2)",
+    "keywords": ["mailgun", "mail", "email", "mailing lists", "yii", "yii2"],
     "license": "BSD-3-Clause",
     "homepage": "http://github.com/baibaratsky/php-mailgun",
     "authors": [
@@ -14,6 +14,10 @@
         "php": ">=5.2",
         "ext-curl": "*"
     },
+    "require-dev": {
+        "yiisoft/yii": "*",
+        "yiisoft/yii2": "*"
+    },
     "autoload": {
         "classmap": [""]
     }