Dropped support for PHP 5.6

Author: mikecbrant

.travis.yml

@@ -1,7 +1,6 @@
 language: php
 
 php:
-    - '5.6'
     - '7.0'
     - '7.1'
     - nightly

README.md

@@ -54,13 +54,11 @@ the UltimateSession library using recommended settings, with a few minimal
 configuration options.
 
 Requires:
-- PHP 5.6+
 - PHP OpenSSL extension (if using encryption)
 - [defuse/php-encryption](https://github.com/defuse/php-encryption) library
-- PHPUnit 5.7+ (for unit tests only)
+- PHPUnit 6.1+ (for unit tests only)
 
-This library is developed against PHP 7.1 and tested via Travis CI against:
-- PHP 5.6.*
+This library is tested via Travis CI against:
 - PHP 7.0.*
 - PHP 7.1.*
 - PHP Nightly build

composer.json

@@ -18,13 +18,13 @@
         }
     ],
     "require": {
-        "php": ">=5.6",
+        "php": ">=7.0",
         "defuse/php-encryption": "*",
         "psr/log": "*",
         "ext-openssl": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": ">=5.7",
+        "phpunit/phpunit": ">=6.1",
         "phpunit/php-code-coverage": "*",
         "phpdocumentor/phpdocumentor": "*",
         "evert/phpdoc-md" : "~0.2.0",

composer.lock

@@ -241,7 +241,7 @@ public function decrypt($sessionId, $sessionData)
     {
         $key = $this->getEncryptionKey($sessionId);
         if(empty($sessionData)) {
-            return '';
+            return $sessionData;
         }
         return Crypto::decrypt($sessionData, $key);
     }

src/UltimateSessions/UltimateSessionHandlerTrait.php

@@ -135,6 +135,7 @@ public function testSessionPersistence(
         /**
          * Start and end session
          */
+        $this->assertEquals('', session_id());
         $manager->startSession();
         $_SESSION['test'] = true;
         $sessionId = $manager->getSessionId();

tests/UltimateSessionLibraryIntegrationTest.php

@@ -46,20 +46,23 @@ public function notBooleanProvider()
      * @runInSeparateProcess
      * @preserveGlobalState disabled
      * @dataProvider useEncryptionProvider
-     * @covers \MikeBrant\UltimateSessions\UltimateSessionLoader::initialize()
+     * @covers \MikeBrant\UltimateSessions\UltimateSessionLoader
      * @outputBuffering disabled
      *
      * @param boolean $useEncryption
      */
-    public function testInitialize($useEncryption)
+    public function testInitializeAndRegenerateID($useEncryption)
     {
         $manager = UltimateSessionLoader::initialize($useEncryption);
         $this->assertInstanceOf(
             UltimateSessionManager::class,
             $manager
         );
         $manager->startSession();
-        $this->assertNotEmpty($manager->getSessionId());
+        $sessionId = $manager->getSessionId();
+        $this->assertNotEmpty($sessionId);
+        $manager->regenerateId();
+        $this->assertNotEquals($sessionId, $manager->getSessionId());
     }
 
     /**
@@ -68,7 +71,7 @@ public function testInitialize($useEncryption)
      * @runInSeparateProcess
      * @preserveGlobalState disabled
      * @dataProvider notBooleanProvider
-     * @covers \MikeBrant\UltimateSessions\UltimateSessionLoader::initialize()
+     * @covers \MikeBrant\UltimateSessions\UltimateSessionLoader
      * @outputBuffering disabled
      * @expectedException \InvalidArgumentException
      *