diff --git a/laravel/input.php b/laravel/input.php
index 7c294a90..f08d7be8 100644
--- a/laravel/input.php
+++ b/laravel/input.php
@@ -197,6 +197,18 @@ public static function file($key = null, $default = null)
 		return array_get($_FILES, $key, $default);
 	}
 
+	/**
+	 * Determine if the uploaded data contains a file.
+	 *
+	 * @param  string  $key
+	 * @return bool
+	 */
+	public static function has_file($key)
+	{
+		$file = static::file($key);
+		return ! empty($file['tmp_name']);
+	}
+	
 	/**
 	 * Move an uploaded file to permanent storage.
 	 *