From 9a411b5087855d435c0a2840805532e7e34a8d65 Mon Sep 17 00:00:00 2001
From: travail <sawa.tomoyuki@gmail.com>
Date: Fri, 9 Oct 2015 18:20:27 +0900
Subject: [PATCH] Add the method Image\PerceptualHash::version()

---
 lib/PerceptualHash.php | 10 ++++++++++
 tests/BasicTest.php    |  8 ++++++++
 2 files changed, 18 insertions(+)

diff --git a/lib/PerceptualHash.php b/lib/PerceptualHash.php
index e2bca3c..3a6fa50 100644
--- a/lib/PerceptualHash.php
+++ b/lib/PerceptualHash.php
@@ -10,6 +10,8 @@ use Image\PerceptualHash\Algorithm\AverageHash;
 use Image\PerceptualHash\Exception\FileNotFoundException;
 
 class PerceptualHash {
+    const VERSION = '0.1.0';
+
     /**
      * @var Algorithm Instance of Algorithm
      */
@@ -39,6 +41,14 @@ class PerceptualHash {
         $this->hex = $this->algorithm->hex($this->bin);
     }
 
+    /**
+     * @return string The version of Image\PerceptualHash.
+     */
+    public static function version()
+    {
+        return (string) self::VERSION;
+    }
+
     /**
      * Returns binary hash.
      *
diff --git a/tests/BasicTest.php b/tests/BasicTest.php
index bbbca5d..17d6fc2 100644
--- a/tests/BasicTest.php
+++ b/tests/BasicTest.php
@@ -16,6 +16,14 @@ class BasicTest extends PHPUnit_Framework_TestCase
         $this->bin_inuo2 = '1111011111110011000000100000000011000011110000111100001111111111';
     }
 
+    public function testVersion()
+    {
+        $version = PerceptualHash::version();
+        $this->assertTrue(isset($version));
+        $this->assertTrue(is_string($version));
+        $this->assertSame(PerceptualHash::VERSION, $version);
+    }
+
     public function testLoad()
     {
         try {