From ebc687a8c13316193c1fee26e1cce32583a695fa Mon Sep 17 00:00:00 2001
From: Alexander Mohorev <dev.mohorev@gmail.com>
Date: Fri, 15 May 2020 12:59:57 +0300
Subject: [PATCH] Change file property visibility to protected (#63)

---
 .travis.yml            |  4 +++-
 src/UploadBehavior.php | 24 ++++++++++++------------
 2 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 44bdcae..74e074d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,8 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
+  - 7.4
 
 sudo: false
 
@@ -25,7 +27,7 @@ before_script:
     fi
 
 script:
-  - phpunit --verbose $PHPUNIT_FLAGS
+  - ./vendor/bin/phpunit --verbose $PHPUNIT_FLAGS
 
 after_script:
   - |
diff --git a/src/UploadBehavior.php b/src/UploadBehavior.php
index 8d7791b..34d5978 100644
--- a/src/UploadBehavior.php
+++ b/src/UploadBehavior.php
@@ -87,7 +87,7 @@ class UploadBehavior extends Behavior
     /**
      * @var UploadedFile the uploaded file instance.
      */
-    private $_file;
+    protected $file;
 
 
     /**
@@ -132,17 +132,17 @@ public function beforeValidate()
         $model = $this->owner;
         if (in_array($model->scenario, $this->scenarios)) {
             if (($file = $model->getAttribute($this->attribute)) instanceof UploadedFile) {
-                $this->_file = $file;
+                $this->file = $file;
             } else {
                 if ($this->instanceByName === true) {
-                    $this->_file = UploadedFile::getInstanceByName($this->attribute);
+                    $this->file = UploadedFile::getInstanceByName($this->attribute);
                 } else {
-                    $this->_file = UploadedFile::getInstance($model, $this->attribute);
+                    $this->file = UploadedFile::getInstance($model, $this->attribute);
                 }
             }
-            if ($this->_file instanceof UploadedFile) {
-                $this->_file->name = $this->getFileName($this->_file);
-                $model->setAttribute($this->attribute, $this->_file);
+            if ($this->file instanceof UploadedFile) {
+                $this->file->name = $this->getFileName($this->file);
+                $model->setAttribute($this->attribute, $this->file);
             }
         }
     }
@@ -155,13 +155,13 @@ public function beforeSave()
         /** @var BaseActiveRecord $model */
         $model = $this->owner;
         if (in_array($model->scenario, $this->scenarios)) {
-            if ($this->_file instanceof UploadedFile) {
+            if ($this->file instanceof UploadedFile) {
                 if (!$model->getIsNewRecord() && $model->isAttributeChanged($this->attribute)) {
                     if ($this->unlinkOnSave === true) {
                         $this->delete($this->attribute, true);
                     }
                 }
-                $model->setAttribute($this->attribute, $this->_file->name);
+                $model->setAttribute($this->attribute, $this->file->name);
             } else {
                 // Protect attribute
                 unset($model->{$this->attribute});
@@ -181,10 +181,10 @@ public function beforeSave()
      */
     public function afterSave()
     {
-        if ($this->_file instanceof UploadedFile) {
+        if ($this->file instanceof UploadedFile) {
             $path = $this->getUploadPath($this->attribute);
             if (is_string($path) && FileHelper::createDirectory(dirname($path))) {
-                $this->save($this->_file, $path);
+                $this->save($this->file, $path);
                 $this->afterUpload();
             } else {
                 throw new InvalidArgumentException(
@@ -242,7 +242,7 @@ public function getUploadUrl($attribute)
      */
     protected function getUploadedFile()
     {
-        return $this->_file;
+        return $this->file;
     }
 
     /**