Remove some PHP version constraints that no longer apply

Author: willemstuursma

classes/util/Loop.php

@@ -84,7 +84,7 @@ public function execute(callable $code)
             /*
              * Calculate max time remaining, don't sleep any longer than that.
              */
-            $usecRemaining = intval(($timeout - microtime(true))  * 1e6);
+            $usecRemaining = \intval(($timeout - \microtime(true))  * 1e6);
 
             if ($usecRemaining <= 0) {
                 /*

tests/mutex/MutexTest.php

@@ -159,7 +159,6 @@ public function testRelease(callable $mutexFactory)
      * @param callable $mutexFactory The Mutex factory.
      * @test
      * @dataProvider provideMutexFactories
-     * @requires PHP 7.0
      */
     public function testLiveness(callable $mutexFactory)
     {
@@ -190,7 +189,6 @@ public function testLiveness(callable $mutexFactory)
      * @test
      * @dataProvider provideMutexFactories
      * @expectedException \DomainException
-     * @requires PHP 5.6
      */
     public function testSynchronizedPassesExceptionThrough(callable $mutexFactory)
     {