diff --git a/Behavioral/ChainOfResponsibilities/uml/ChainOfResponsibilities.uml b/Behavioral/ChainOfResponsibilities/uml/ChainOfResponsibilities.uml
new file mode 100644
index 0000000..3b79650
--- /dev/null
+++ b/Behavioral/ChainOfResponsibilities/uml/ChainOfResponsibilities.uml
@@ -0,0 +1,36 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\ChainOfResponsibilities\Handler
+
+ \DesignPatterns\Behavioral\ChainOfResponsibilities\Handler
+ \DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\SlowStorage
+ \DesignPatterns\Behavioral\ChainOfResponsibilities\Responsible\FastStorage
+ \DesignPatterns\Behavioral\ChainOfResponsibilities\Request
+
+
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+ Fields
+ Constants
+ Constructors
+ Methods
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+ private
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diff --git a/Behavioral/ChainOfResponsibilities/uml/uml.png b/Behavioral/ChainOfResponsibilities/uml/uml.png
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index 0000000..38dd1af
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+++ b/Behavioral/ChainOfResponsibilities/uml/uml.svg
@@ -0,0 +1,363 @@
+
diff --git a/Behavioral/Command/uml/Command.uml b/Behavioral/Command/uml/Command.uml
new file mode 100644
index 0000000..368d5f0
--- /dev/null
+++ b/Behavioral/Command/uml/Command.uml
@@ -0,0 +1,28 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\Command\HelloCommand
+
+ \DesignPatterns\Behavioral\Command\Invoker
+ \DesignPatterns\Behavioral\Command\HelloCommand
+ \DesignPatterns\Behavioral\Command\Receiver
+ \DesignPatterns\Behavioral\Command\CommandInterface
+
+
+
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+
+
+
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+
+ Fields
+ Constants
+ Constructors
+ Methods
+
+ private
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+
diff --git a/Behavioral/Command/uml/uml.png b/Behavioral/Command/uml/uml.png
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index 0000000..d021750
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diff --git a/Behavioral/Command/uml/uml.svg b/Behavioral/Command/uml/uml.svg
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index 0000000..94e72d0
--- /dev/null
+++ b/Behavioral/Command/uml/uml.svg
@@ -0,0 +1,366 @@
+
diff --git a/Behavioral/Iterator/uml/Iterator.uml b/Behavioral/Iterator/uml/Iterator.uml
new file mode 100644
index 0000000..752fc1b
--- /dev/null
+++ b/Behavioral/Iterator/uml/Iterator.uml
@@ -0,0 +1,28 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\Iterator\Book
+
+ \DesignPatterns\Behavioral\Iterator\BookListReverseIterator
+ \DesignPatterns\Behavioral\Iterator\BookList
+ \DesignPatterns\Behavioral\Iterator\BookListIterator
+ \DesignPatterns\Behavioral\Iterator\Book
+
+
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+ Fields
+ Constants
+ Constructors
+ Methods
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+ private
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diff --git a/Behavioral/Iterator/uml/uml.png b/Behavioral/Iterator/uml/uml.png
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index 0000000..6022630
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diff --git a/Behavioral/Iterator/uml/uml.svg b/Behavioral/Iterator/uml/uml.svg
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index 0000000..d72d5b8
--- /dev/null
+++ b/Behavioral/Iterator/uml/uml.svg
@@ -0,0 +1,638 @@
+
diff --git a/Behavioral/Mediator/uml/Mediator.uml b/Behavioral/Mediator/uml/Mediator.uml
new file mode 100644
index 0000000..19df84e
--- /dev/null
+++ b/Behavioral/Mediator/uml/Mediator.uml
@@ -0,0 +1,46 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\Mediator\Colleague
+
+ \DesignPatterns\Behavioral\Mediator\Subsystem\Database
+ \DesignPatterns\Behavioral\Mediator\MediatorInterface
+ \DesignPatterns\Behavioral\Mediator\Subsystem\Client
+ \DesignPatterns\Behavioral\Mediator\Mediator
+ \DesignPatterns\Behavioral\Mediator\Subsystem\Server
+ \DesignPatterns\Behavioral\Mediator\Colleague
+
+
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+ Constants
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+ private
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diff --git a/Behavioral/Mediator/uml/uml.png b/Behavioral/Mediator/uml/uml.png
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index 0000000..04efc46
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index 0000000..6934436
--- /dev/null
+++ b/Behavioral/Mediator/uml/uml.svg
@@ -0,0 +1,651 @@
+
diff --git a/Behavioral/Memento/uml/Momento.uml b/Behavioral/Memento/uml/Momento.uml
new file mode 100644
index 0000000..c72667e
--- /dev/null
+++ b/Behavioral/Memento/uml/Momento.uml
@@ -0,0 +1,22 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\Memento\Caretaker
+
+ \DesignPatterns\Behavioral\Memento\Caretaker
+ \DesignPatterns\Behavioral\Memento\Originator
+ \DesignPatterns\Behavioral\Memento\Memento
+
+
+
+
+
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+ Fields
+ Constants
+ Constructors
+ Methods
+
+ private
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+
diff --git a/Behavioral/Memento/uml/uml.png b/Behavioral/Memento/uml/uml.png
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index 0000000..e96ea69
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index 0000000..2cc47a8
--- /dev/null
+++ b/Behavioral/Memento/uml/uml.svg
@@ -0,0 +1,310 @@
+
diff --git a/Behavioral/NullObject/uml/NullObject.uml b/Behavioral/NullObject/uml/NullObject.uml
new file mode 100644
index 0000000..257c915
--- /dev/null
+++ b/Behavioral/NullObject/uml/NullObject.uml
@@ -0,0 +1,36 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\NullObject\Service
+
+ \DesignPatterns\Behavioral\NullObject\NullLogger
+ \DesignPatterns\Behavioral\NullObject\PrintLogger
+ \DesignPatterns\Behavioral\NullObject\LoggerInterface
+ \DesignPatterns\Behavioral\NullObject\Service
+
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diff --git a/Behavioral/NullObject/uml/uml.png b/Behavioral/NullObject/uml/uml.png
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index 0000000..12273b4
--- /dev/null
+++ b/Behavioral/NullObject/uml/uml.svg
@@ -0,0 +1,304 @@
+
diff --git a/Behavioral/Observer/uml/Observer.uml b/Behavioral/Observer/uml/Observer.uml
new file mode 100644
index 0000000..0e5ddef
--- /dev/null
+++ b/Behavioral/Observer/uml/Observer.uml
@@ -0,0 +1,27 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\Observer\User
+
+ \DesignPatterns\Behavioral\Observer\UserObserver
+ \DesignPatterns\Behavioral\Observer\User
+ \SplSubject
+
+
+
+
+
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+ Fields
+ Constants
+ Constructors
+ Methods
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+ private
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diff --git a/Behavioral/Observer/uml/uml.png b/Behavioral/Observer/uml/uml.png
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index 0000000..09c79c1
--- /dev/null
+++ b/Behavioral/Observer/uml/uml.svg
@@ -0,0 +1,310 @@
+
diff --git a/Behavioral/Specification/uml/Specification.uml b/Behavioral/Specification/uml/Specification.uml
new file mode 100644
index 0000000..003e549
--- /dev/null
+++ b/Behavioral/Specification/uml/Specification.uml
@@ -0,0 +1,55 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\Specification\AbstractSpecification
+
+ \DesignPatterns\Behavioral\Specification\PriceSpecification
+ \DesignPatterns\Behavioral\Specification\Not
+ \DesignPatterns\Behavioral\Specification\SpecificationInterface
+ \DesignPatterns\Behavioral\Specification\Plus
+ \DesignPatterns\Behavioral\Specification\AbstractSpecification
+ \DesignPatterns\Behavioral\Specification\Either
+ \DesignPatterns\Behavioral\Specification\Item
+
+
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+ Constants
+ Constructors
+ Methods
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+ private
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diff --git a/Behavioral/Specification/uml/uml.png b/Behavioral/Specification/uml/uml.png
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index 0000000..cfab544
--- /dev/null
+++ b/Behavioral/Specification/uml/uml.svg
@@ -0,0 +1,761 @@
+
diff --git a/Behavioral/State/uml/State.uml b/Behavioral/State/uml/State.uml
new file mode 100644
index 0000000..6b825dd
--- /dev/null
+++ b/Behavioral/State/uml/State.uml
@@ -0,0 +1,37 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\State\OrderInterface
+
+ \DesignPatterns\Behavioral\State\OrderFactory
+ \DesignPatterns\Behavioral\State\CreateOrder
+ \DesignPatterns\Behavioral\State\OrderController
+ \DesignPatterns\Behavioral\State\OrderInterface
+ \DesignPatterns\Behavioral\State\ShippingOrder
+
+
+
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+ Constants
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+ Methods
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+ private
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diff --git a/Behavioral/State/uml/uml.png b/Behavioral/State/uml/uml.png
new file mode 100644
index 0000000..847a4e4
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new file mode 100644
index 0000000..2b97e07
--- /dev/null
+++ b/Behavioral/State/uml/uml.svg
@@ -0,0 +1,460 @@
+
diff --git a/Behavioral/Strategy/uml/Strategy.uml b/Behavioral/Strategy/uml/Strategy.uml
new file mode 100644
index 0000000..7c2838a
--- /dev/null
+++ b/Behavioral/Strategy/uml/Strategy.uml
@@ -0,0 +1,36 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\Strategy\ComparatorInterface
+
+ \DesignPatterns\Behavioral\Strategy\ObjectCollection
+ \DesignPatterns\Behavioral\Strategy\DateComparator
+ \DesignPatterns\Behavioral\Strategy\ComparatorInterface
+ \DesignPatterns\Behavioral\Strategy\IdComparator
+
+
+
+
+
+
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+
+
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+ Fields
+ Constants
+ Constructors
+ Methods
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+ private
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diff --git a/Behavioral/Strategy/uml/uml.png b/Behavioral/Strategy/uml/uml.png
new file mode 100644
index 0000000..269e496
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diff --git a/Behavioral/Strategy/uml/uml.svg b/Behavioral/Strategy/uml/uml.svg
new file mode 100644
index 0000000..b441390
--- /dev/null
+++ b/Behavioral/Strategy/uml/uml.svg
@@ -0,0 +1,314 @@
+
diff --git a/Behavioral/TemplateMethod/uml/TemplateMethod.uml b/Behavioral/TemplateMethod/uml/TemplateMethod.uml
new file mode 100644
index 0000000..063b022
--- /dev/null
+++ b/Behavioral/TemplateMethod/uml/TemplateMethod.uml
@@ -0,0 +1,35 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\TemplateMethod\BeachJourney
+
+ \DesignPatterns\Behavioral\TemplateMethod\CityJourney
+ \DesignPatterns\Behavioral\TemplateMethod\Journey
+ \DesignPatterns\Behavioral\TemplateMethod\BeachJourney
+
+
+
+
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+ Constants
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+ private
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diff --git a/Behavioral/TemplateMethod/uml/uml.png b/Behavioral/TemplateMethod/uml/uml.png
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index 0000000..d06adcb
--- /dev/null
+++ b/Behavioral/TemplateMethod/uml/uml.svg
@@ -0,0 +1,256 @@
+
diff --git a/Behavioral/Visitor/uml/Visitor.uml b/Behavioral/Visitor/uml/Visitor.uml
new file mode 100644
index 0000000..cb03bd5
--- /dev/null
+++ b/Behavioral/Visitor/uml/Visitor.uml
@@ -0,0 +1,41 @@
+
+
+ PHP
+ \DesignPatterns\Behavioral\Visitor\Group
+
+ \DesignPatterns\Behavioral\Visitor\Role
+ \DesignPatterns\Behavioral\Visitor\RolePrintVisitor
+ \DesignPatterns\Behavioral\Visitor\Group
+ \DesignPatterns\Behavioral\Visitor\RoleVisitorInterface
+ \DesignPatterns\Behavioral\Visitor\User
+
+
+
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+ Constants
+ Constructors
+ Methods
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+ private
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diff --git a/Behavioral/Visitor/uml/uml.png b/Behavioral/Visitor/uml/uml.png
new file mode 100644
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+++ b/Behavioral/Visitor/uml/uml.svg
@@ -0,0 +1,441 @@
+
diff --git a/Creational/Singleton/README.md b/Creational/Singleton/README.md
index 5148762..b90fcdc 100644
--- a/Creational/Singleton/README.md
+++ b/Creational/Singleton/README.md
@@ -12,10 +12,6 @@ To have only one instance of this object in the application that will handle all
* Logger (may also be a Multiton if there are many log files for several purposes)
* Lock file for the application (there is only one in the filesystem ...)
-## Diagram
-
-
-
## UML Diagram

\ No newline at end of file