$ar_size = !empty(getimagesize($file_obj->tempName)) ? getimagesize($file_obj->tempName) : ['', ''];
$ar_file_name = explode('.', $file_obj->name);
$ext = '.' . end($ar_file_name);
- $file_name = pathinfo($file_obj->name, PATHINFO_FILENAME) . '_' . time() . rand(100,999) . '.' . strtolower(pathinfo($file_obj->name, PATHINFO_EXTENSION));
+ $file_name = md5($file_obj->name . rand(100000, 999999)) . $ext;
$dir_name = substr($file_name, 0, 2);
$uploadDirPath = \Yii::getAlias('@uploads/images');