Merge branch '3.4'

* 3.4:
  [DI] prepare for signature change in 4.0
  [DI] Add missing deprecation on Extension::getClassesToCompile
  [Lock] Re-add the Lock component in 3.4
  [Routing] remove an unused routing fixture
  [Yaml] fix multiline block handling
  [WebProfilerBundle] Fix sub-requests display in time profiler panel
  [FrameworkBundle] Handle project dir in cache:clear command
  [WebServerBundle] Mark ServerCommand as internal
  [DI] Fix autowire error for inlined services
  Close PHP code in phpt file
  [Profiler][VarDumper] Fix searchbar css when in toolbar
  Prevent auto-registration of UserPasswordEncoderCommand
  [Process] Fixed incorrectly escaping arguments on Windows when inheritEnvironmentVariables is set to false
  avoid double blanks while rendering form attributes
  use getProjectDir() when possible
  [PhpUnitBridge] add a changelog file
  [FrameworkBundle][Validator] Deprecate passing validator instances/aliases over using the service locator

Author: nicolas-grekas

Store/SemaphoreStore.php

@@ -59,16 +59,7 @@ private function lock(Key $key, $blocking)
         }
 
         $resource = sem_get(crc32($key));
-
-        if (PHP_VERSION_ID < 50601) {
-            if (!$blocking) {
-                throw new NotSupportedException(sprintf('The store "%s" does not supports non blocking locks.', get_class($this)));
-            }
-
-            $acquired = sem_acquire($resource);
-        } else {
-            $acquired = sem_acquire($resource, !$blocking);
-        }
+        $acquired = sem_acquire($resource, !$blocking);
 
         if (!$acquired) {
             throw new LockConflictedException();

Tests/Store/BlockingStoreTestTrait.php

@@ -37,12 +37,6 @@ public function testBlockingLocks()
         // Amount a microsecond used to order async actions
         $clockDelay = 50000;
 
-        if (PHP_VERSION_ID < 50600 || defined('HHVM_VERSION_ID')) {
-            $this->markTestSkipped('The PHP engine does not keep resource in child forks');
-
-            return;
-        }
-
         /** @var StoreInterface $store */
         $store = $this->getStore();
         $key = new Key(uniqid(__METHOD__, true));

Tests/Store/SemaphoreStoreTest.php

@@ -27,10 +27,6 @@ class SemaphoreStoreTest extends AbstractStoreTest
      */
     protected function getStore()
     {
-        if (PHP_VERSION_ID < 50601) {
-            $this->markTestSkipped('Non blocking semaphore are supported by PHP version greater or equals than 5.6.1');
-        }
-
         return new SemaphoreStore();
     }
 }

composer.json

@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
+        "php": "^7.1.3",
         "symfony/polyfill-php70": "~1.0",
         "psr/log": "~1.0"
     },
@@ -32,7 +32,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "3.4-dev"
+            "dev-master": "4.0-dev"
         }
     }
 }