Implement SebastianBergmann\CodeCoverage\Version::id()

Author: sebastianbergmann

ChangeLog-5.0.md

@@ -2,8 +2,14 @@
 
 All notable changes of the PHP_CodeCoverage 5.0 release series are documented in this file using the [Keep a CHANGELOG](http://keepachangelog.com/) principles.
 
+### Added
+
+* Added `SebastianBergmann\CodeCoverage\Version::id()` method
+
 ## [5.0.4] - 2017-MM-DD
 
+### Fixed
+
 * Fixed [#515](https://github.com/sebastianbergmann/php-code-coverage/pull/515): Wrong use of recursive iterator causing duplicate entries in XML coverage report
 
 ## [5.0.3] - 2017-03-06

src/Report/Html/Renderer.php

@@ -13,8 +13,8 @@
 use SebastianBergmann\CodeCoverage\Node\AbstractNode;
 use SebastianBergmann\CodeCoverage\Node\File as FileNode;
 use SebastianBergmann\CodeCoverage\Node\Directory as DirectoryNode;
+use SebastianBergmann\CodeCoverage\Version;
 use SebastianBergmann\Environment\Runtime;
-use SebastianBergmann\Version;
 
 /**
  * Base class for node renderers.
@@ -62,14 +62,12 @@ abstract class Renderer
      */
     public function __construct($templatePath, $generator, $date, $lowUpperBound, $highLowerBound)
     {
-        $version = new Version('5.0.3', dirname(dirname(dirname(dirname(__DIR__)))));
-
         $this->templatePath   = $templatePath;
         $this->generator      = $generator;
         $this->date           = $date;
         $this->lowUpperBound  = $lowUpperBound;
         $this->highLowerBound = $highLowerBound;
-        $this->version        = $version->getVersion();
+        $this->version        = Version::id();
     }
 
     /**

src/Version.php

@@ -0,0 +1,31 @@
+<?php
+/*
+ * This file is part of the php-code-coverage package.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace SebastianBergmann\CodeCoverage;
+
+use SebastianBergmann\Version as VersionId;
+
+class Version
+{
+    private static $version;
+
+    /**
+     * @return string
+     */
+    public static function id()
+    {
+        if (self::$version === null) {
+            $version       = new VersionId('5.0.3', dirname(__DIR__));
+            self::$version = $version->getVersion();
+        }
+
+        return self::$version;
+    }
+}