The document discusses design patterns, which are reusable solutions to common software design problems. It covers structural patterns like proxy and composite that deal with object composition, and creational patterns like abstract factory that deal with object creation. The document also lists some common design patterns like proxy, composite, decorator, mediator, and abstract factory, and encourages questions.

1. Design
Patterns

2. Jarek Romaniuk
PHP Developer
Pearson IOKI

3. What is a design
pattern ?

4. Structural
Creational
Behavioral

5. PROXY

6. P
R
O
X
Y

7. P
R
O
X
Y

8. P
R
O
X
Y

9. COMPOSITE

10. C
O
M
P
O
S
I
T
E

11. C
O
M
P
O
S
I
T
E

12. C
O
M
P
O
S
I
T
E

13. C
O
M
P
O
S
I
T
E

14. DECORATOR

15. D
E
C
O
R
A
T
O
R

16. D
E
C
O
R
A
T
O
R

17. D
E
C
O
R
A
T
O
R

18. D
E
C
O
R
A
T
O
R

19. MEDIATOR

20. M
E
D
I
A
T
O
R

21. M
E
D
I
A
T
O
R

22. M
E
D
I
A
T
O
R

23. M
E
D
I
A
T
O
R

24. ABSTRACT
FACTORY

25. A
B
S
T
R
A
C
T
F
A
C
T
O
R
Y

26. A
B
S
T
R
A
C
T
F
A
C
T
O
R
Y

27. A
B
S
T
R
A
C
T
F
A
C
T
O
R
Y

28. A
B
S
T
R
A
C
T
F
A
C
T
O
R
Y

29. S
O
U
R
C
E
domnikl / DesignPatternsPHP
Design Patterns: Elements of
Reusable Object-Oriented Software

30. QUESTIONS ?