Fix problem with string callables failing in PHP 5.6.

Author: demiankatz

src/ServiceManager.php

@@ -668,6 +668,10 @@ private function getFactory($name)
             if ($lazyLoaded) {
                 $this->factories[$name] = $factory;
             }
+            // PHP 5.6 fails on 'class::method' callables unless we explode them:
+            if (is_string($factory) && strpos($factory, '::') !== false) {
+                $factory = explode('::', $factory);
+            }
             return $factory;
         }
 

test/ServiceManagerTest.php

@@ -267,4 +267,20 @@ public function testSetAliasShouldWorkWithRecursiveAlias()
         $this->assertSame($service, $alias);
         $this->assertSame($service, $headAlias);
     }
+
+    public static function sampleFactory()
+    {
+        return new stdClass();
+    }
+
+    public function testStaticCallable()
+    {
+        $config = [
+            'factories' => [
+                stdClass::class => 'ZendTest\ServiceManager\ServiceManagerTest::sampleFactory',
+            ]
+        ];
+        $serviceManager = new SimpleServiceManager($config);
+        $this->assertEquals(stdClass::class, get_class($serviceManager->get(stdClass::class)));
+    }
 }