sf4 compatibility

Author: harikt

Diff for: .travis.yml

@@ -6,12 +6,10 @@ cache:
 
 language: php
 php:
-    - "5.3"
-    - "5.4"
-    - "5.5"
-    - "5.6"
-    - "7.0"
-    - "hhvm"
+    - 7.1
+    - 7.2
+    - 7.3
+    - 7.4snapshot
 
 before_script:
     - composer self-update

Diff for: CHANGELOG.md

@@ -1,6 +1,10 @@
 CHANGELOG
 =========
 
+* Next
+  * Removed unsupported PHP versions ( 5.x series).
+  * Added support for Symfony 4.x .
+
 * 1.1.0 (2015-04-16)
 
   * #15: Use TerminableInterface

Diff for: composer.json

@@ -14,15 +14,15 @@
         }
     },
     "require": {
-        "php": ">=5.3.3",
-        "symfony/http-kernel": "~2.1|~3.0",
-        "symfony/http-foundation": "~2.1|~3.0"
+        "php": "^7.1",
+        "symfony/http-kernel": "~2.1|~3.0|~4.0",
+        "symfony/http-foundation": "~2.1|~3.0|~4.0"
     },
     "require-dev": {
-        "stack/callable-http-kernel": "^1.0@dev",
-        "silex/silex": "^1.0@dev",
-        "stack/builder": "^1.0@dev",
-        "phpunit/phpunit": "@stable"
+        "stack/callable-http-kernel": "^1.0",
+        "silex/silex": "^2.0",
+        "stack/builder": "^1.0",
+        "phpunit/phpunit": "~7.0"
     },
     "extra": {
         "branch-alias": {

Diff for: tests/functional/UrlMapTest.php

@@ -6,11 +6,12 @@
 use Symfony\Component\HttpFoundation\Response;
 use Stack\UrlMap;
 use Stack\CallableHttpKernel;
+use PHPUnit\Framework\TestCase;
 
 /**
  * @author Christoph Hochstrasser <[email protected]>
  */
-class UrlMapTest extends \PHPUnit_Framework_TestCase
+class UrlMapTest extends TestCase
 {
     public function test()
     {