[DI] There are no initialized-only refs to undeclared services

Author: nicolas-grekas

src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php

@@ -1711,12 +1711,12 @@ private function getServiceCall($id, Reference $reference = null)
             return '$this';
         }
 
-        if (null !== $reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $reference->getInvalidBehavior()) {
-            $code = 'null';
-        } elseif ($this->container->hasDefinition($id)) {
+        if ($this->container->hasDefinition($id)) {
             $definition = $this->container->getDefinition($id);
 
-            if ($this->isTrivialInstance($definition)) {
+            if (null !== $reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $reference->getInvalidBehavior()) {
+                $code = 'null';
+            } elseif ($this->isTrivialInstance($definition)) {
                 $code = substr($this->addNewInstance($definition, '', '', $id), 8, -2);
                 if ($definition->isShared()) {
                     $code = sprintf('$this->services[\'%s\'] = %s', $id, $code);
@@ -1726,6 +1726,8 @@ private function getServiceCall($id, Reference $reference = null)
             } else {
                 $code = sprintf('$this->%s()', $this->generateMethodName($id));
             }
+        } elseif (null !== $reference && ContainerInterface::IGNORE_ON_UNINITIALIZED_REFERENCE === $reference->getInvalidBehavior()) {
+            return 'null';
         } elseif (null !== $reference && ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $reference->getInvalidBehavior()) {
             $code = sprintf('$this->get(\'%s\', ContainerInterface::NULL_ON_INVALID_REFERENCE)', $id);
         } else {

src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_uninitialized_ref.php

@@ -76,12 +76,12 @@ protected function getBarService()
         $this->services['bar'] = $instance = new \stdClass();
 
         $instance->foo1 = ${($_ = isset($this->services['foo1']) ? $this->services['foo1'] : null) && false ?: '_'};
-        $instance->foo2 = ${($_ = isset($this->services['foo2']) ? $this->services['foo2'] : null) && false ?: '_'};
+        $instance->foo2 = null;
         $instance->foo3 = ${($_ = isset($this->services['foo3']) ? $this->services['foo3'] : null) && false ?: '_'};
         $instance->closures = array(0 => function () {
             return ${($_ = isset($this->services['foo1']) ? $this->services['foo1'] : null) && false ?: '_'};
         }, 1 => function () {
-            return ${($_ = isset($this->services['foo2']) ? $this->services['foo2'] : null) && false ?: '_'};
+            return null;
         }, 2 => function () {
             return ${($_ = isset($this->services['foo3']) ? $this->services['foo3'] : null) && false ?: '_'};
         });
@@ -90,7 +90,7 @@ protected function getBarService()
                 yield 'foo1' => ${($_ = isset($this->services['foo1']) ? $this->services['foo1'] : null) && false ?: '_'};
             }
             if (false) {
-                yield 'foo2' => ${($_ = isset($this->services['foo2']) ? $this->services['foo2'] : null) && false ?: '_'};
+                yield 'foo2' => null;
             }
             if (isset($this->services['foo3'])) {
                 yield 'foo3' => ${($_ = isset($this->services['foo3']) ? $this->services['foo3'] : null) && false ?: '_'};