explicitely set script_types=1

Behavioral/ChainOfResponsibilities/Handler.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\ChainOfResponsibilities;
 

Behavioral/ChainOfResponsibilities/Responsible/HttpInMemoryCacheHandler.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible;
 

Behavioral/ChainOfResponsibilities/Responsible/SlowDatabaseHandler.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible;
 

Behavioral/ChainOfResponsibilities/Tests/ChainTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\ChainOfResponsibilities\Tests;
 

Behavioral/ChainOfResponsibilities/uml/ChainOfResponsibilities.uml

@@ -1,36 +1,20 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Diagram>
-  <ID>PHP</ID>
-  <OriginalElement>\DesignPatterns\Behavioral\ChainOfResponsibilities\Handler</OriginalElement>
-  <nodes>
-    <node x="54.5" y="0.0">\DesignPatterns\Behavioral\ChainOfResponsibilities\Handler</node>
-    <node x="0.0" y="158.0">\DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\SlowStorage</node>
-    <node x="154.0" y="158.0">\DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\FastStorage</node>
-    <node x="304.0" y="45.0">\DesignPatterns\Behavioral\ChainOfResponsibilities\Request</node>
-  </nodes>
-  <notes />
-  <edges>
-    <edge source="\DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\SlowStorage" target="\DesignPatterns\Behavioral\ChainOfResponsibilities\Handler">
-      <point x="0.0" y="-44.5" />
-      <point x="67.0" y="133.0" />
-      <point x="99.25" y="133.0" />
-      <point x="-44.75" y="54.0" />
-    </edge>
-    <edge source="\DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\FastStorage" target="\DesignPatterns\Behavioral\ChainOfResponsibilities\Handler">
-      <point x="0.0" y="-44.5" />
-      <point x="221.0" y="133.0" />
-      <point x="188.75" y="133.0" />
-      <point x="44.75" y="54.0" />
-    </edge>
-  </edges>
-  <settings layout="Hierarchic Group" zoom="1.0" x="188.0" y="123.5" />
-  <SelectedNodes />
-  <Categories>
-    <Category>Fields</Category>
-    <Category>Constants</Category>
-    <Category>Constructors</Category>
-    <Category>Methods</Category>
-  </Categories>
-  <VISIBILITY>private</VISIBILITY>
-</Diagram>
-
+<?xml version="1.0" encoding="UTF-8"?>
+<Diagram>
+  <ID>PHP</ID>
+  <OriginalElement>\DesignPatterns\Behavioral\ChainOfResponsibilities\Handler</OriginalElement>
+  <nodes>
+    <node x="0.0" y="0.0">\DesignPatterns\Behavioral\ChainOfResponsibilities\Handler</node>
+  </nodes>
+  <notes />
+  <edges />
+  <settings layout="Hierarchic Group" zoom="1.0" x="537.5" y="338.0" />
+  <SelectedNodes />
+  <Categories>
+    <Category>Fields</Category>
+    <Category>Constants</Category>
+    <Category>Constructors</Category>
+    <Category>Methods</Category>
+  </Categories>
+  <VISIBILITY>private</VISIBILITY>
+</Diagram>
+

Behavioral/Command/AddMessageDateCommand.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Command;
 

Behavioral/Command/CommandInterface.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Command;
 

Behavioral/Command/HelloCommand.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Command;
 

Behavioral/Command/Invoker.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Command;
 

Behavioral/Command/Receiver.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Command;
 

Behavioral/Command/Tests/CommandTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Command\Tests;
 

Behavioral/Command/Tests/UndoableCommandTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Command\Tests;
 

Behavioral/Command/UndoableCommandInterface.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Command;
 

Behavioral/Iterator/Book.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Iterator;
 

Behavioral/Iterator/BookList.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Iterator;
 

Behavioral/Iterator/Tests/IteratorTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Iterator\Tests;
 

Behavioral/Mediator/Colleague.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Mediator;
 

Behavioral/Mediator/Mediator.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Mediator;
 

Behavioral/Mediator/MediatorInterface.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Mediator;
 

Behavioral/Mediator/Subsystem/Client.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Mediator\Subsystem;
 

Behavioral/Mediator/Subsystem/Database.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Mediator\Subsystem;
 

Behavioral/Mediator/Subsystem/Server.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Mediator\Subsystem;
 

Behavioral/Mediator/Tests/MediatorTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Tests\Mediator\Tests;
 

Behavioral/Memento/Memento.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Memento;
 

Behavioral/Memento/State.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Memento;
 

Behavioral/Memento/Tests/MementoTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Memento\Tests;
 

Behavioral/Memento/Ticket.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Memento;
 

Behavioral/NullObject/LoggerInterface.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\NullObject;
 

Behavioral/NullObject/NullLogger.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\NullObject;
 

Behavioral/NullObject/PrintLogger.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\NullObject;
 

Behavioral/NullObject/Service.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\NullObject;
 

Behavioral/NullObject/Tests/LoggerTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\NullObject\Tests;
 

Behavioral/Observer/Tests/ObserverTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Observer\Tests;
 

Behavioral/Observer/User.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Observer;
 

Behavioral/Observer/UserObserver.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Observer;
 

Behavioral/Specification/AndSpecification.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Specification;
 

Behavioral/Specification/Item.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Specification;
 

Behavioral/Specification/NotSpecification.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Specification;
 

Behavioral/Specification/OrSpecification.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Specification;
 

Behavioral/Specification/PriceSpecification.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Specification;
 

Behavioral/Specification/SpecificationInterface.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Specification;
 

Behavioral/Specification/Tests/SpecificationTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Specification\Tests;
 

Behavioral/State/OrderContext.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\State;
 

Behavioral/State/State.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\State;
 

Behavioral/State/StateCreated.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\State;
 

Behavioral/State/StateDone.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\State;
 

Behavioral/State/StateShipped.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\State;
 

Behavioral/State/Tests/StateTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\State\Tests;
 

Behavioral/Strategy/ComparatorInterface.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Strategy;
 

Behavioral/Strategy/Context.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Strategy;
 

Behavioral/Strategy/DateComparator.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Strategy;
 

Behavioral/Strategy/IdComparator.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Strategy;
 

Behavioral/Strategy/Tests/StrategyTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Strategy\Tests;
 

Behavioral/TemplateMethod/BeachJourney.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\TemplateMethod;
 

Behavioral/TemplateMethod/CityJourney.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\TemplateMethod;
 

Behavioral/TemplateMethod/Journey.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\TemplateMethod;
 

Behavioral/TemplateMethod/Tests/JourneyTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\TemplateMethod\Tests;
 

Behavioral/Visitor/Group.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Visitor;
 

Behavioral/Visitor/Role.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Visitor;
 

Behavioral/Visitor/RoleVisitor.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Visitor;
 

Behavioral/Visitor/RoleVisitorInterface.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Visitor;
 

Behavioral/Visitor/Tests/VisitorTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Tests\Visitor\Tests;
 

Behavioral/Visitor/User.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Behavioral\Visitor;
 

Creational/AbstractFactory/DigitalProduct.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\AbstractFactory;
 

Creational/AbstractFactory/Product.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\AbstractFactory;
 

Creational/AbstractFactory/ProductFactory.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\AbstractFactory;
 

Creational/AbstractFactory/ShippableProduct.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\AbstractFactory;
 

Creational/AbstractFactory/Tests/AbstractFactoryTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\AbstractFactory\Tests;
 

Creational/AbstractFactory/uml/AbstractFactory.uml

@@ -3,27 +3,27 @@
   <ID>PHP</ID>
   <OriginalElement>\DesignPatterns\Creational\AbstractFactory\DigitalProduct</OriginalElement>
   <nodes>
-    <node x="0.0" y="112.0">\DesignPatterns\Creational\AbstractFactory\DigitalProduct</node>
-    <node x="0.0" y="265.0">\DesignPatterns\Creational\AbstractFactory\ProductFactory</node>
-    <node x="204.0" y="101.0">\DesignPatterns\Creational\AbstractFactory\ShippableProduct</node>
-    <node x="147.5" y="0.0">\DesignPatterns\Creational\AbstractFactory\Product</node>
+    <node x="0.0" y="109.0">\DesignPatterns\Creational\AbstractFactory\DigitalProduct</node>
+    <node x="0.0" y="259.0">\DesignPatterns\Creational\AbstractFactory\ProductFactory</node>
+    <node x="166.0" y="98.0">\DesignPatterns\Creational\AbstractFactory\ShippableProduct</node>
+    <node x="128.5" y="0.0">\DesignPatterns\Creational\AbstractFactory\Product</node>
   </nodes>
   <notes />
   <edges>
     <edge source="\DesignPatterns\Creational\AbstractFactory\ShippableProduct" target="\DesignPatterns\Creational\AbstractFactory\Product">
-      <point x="0.0" y="-59.5" />
-      <point x="369.0" y="76.0" />
-      <point x="272.0" y="76.0" />
-      <point x="41.5" y="25.5" />
+      <point x="0.0" y="-58.0" />
+      <point x="312.0" y="73.0" />
+      <point x="224.5" y="73.0" />
+      <point x="32.0" y="24.0" />
     </edge>
     <edge source="\DesignPatterns\Creational\AbstractFactory\DigitalProduct" target="\DesignPatterns\Creational\AbstractFactory\Product">
-      <point x="0.0" y="-48.5" />
-      <point x="92.0" y="76.0" />
-      <point x="189.0" y="76.0" />
-      <point x="-41.5" y="25.5" />
+      <point x="0.0" y="-47.0" />
+      <point x="73.0" y="73.0" />
+      <point x="160.5" y="73.0" />
+      <point x="-32.0" y="24.0" />
     </edge>
   </edges>
-  <settings layout="Hierarchic Group" zoom="1.0" x="140.0" y="91.0" />
+  <settings layout="Hierarchic Group" zoom="1.0" x="537.5" y="256.0" />
   <SelectedNodes />
   <Categories>
     <Category>Fields</Category>

Creational/Builder/BuilderInterface.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder;
 

Creational/Builder/CarBuilder.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder;
 

Creational/Builder/Director.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder;
 

Creational/Builder/Parts/Car.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Door.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Engine.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Truck.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Vehicle.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Parts/Wheel.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Parts;
 

Creational/Builder/Tests/DirectorTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder\Tests;
 

Creational/Builder/TruckBuilder.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Builder;
 

Creational/FactoryMethod/FileLogger.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/FileLoggerFactory.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/Logger.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/LoggerFactory.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/StdoutLogger.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/StdoutLoggerFactory.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod;
 

Creational/FactoryMethod/Tests/FactoryMethodTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\FactoryMethod\Tests;
 

Creational/Multiton/Multiton.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Multiton;
 

Creational/Multiton/Tests/MultitonTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Multition\Tests;
 

Creational/Pool/StringReverseWorker.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Pool;
 

Creational/Pool/Tests/PoolTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Pool\Tests;
 

Creational/Pool/WorkerPool.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Pool;
 

Creational/Prototype/BarBookPrototype.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Prototype;
 

Creational/Prototype/BookPrototype.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Prototype;
 

Creational/Prototype/FooBookPrototype.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Prototype;
 

Creational/Prototype/Tests/PrototypeTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Prototype\Tests;
 

Creational/SimpleFactory/Bicycle.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\SimpleFactory;
 

Creational/SimpleFactory/SimpleFactory.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\SimpleFactory;
 

Creational/SimpleFactory/Tests/SimpleFactoryTest.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\SimpleFactory\Tests;
 

Creational/Singleton/Singleton.php

@@ -1,4 +1,5 @@
 <?php
+declare(strict_types=1);
 
 namespace DesignPatterns\Creational\Singleton;