1. PHP using MySQL Database for Web Development (part II)
Pongtawan Saengsawang
Managing Director, Open Source Solution & Technology Co., Ltd.

2. Basic Web Base Programming II
How Web App Works
Basic Web Base Programming II

3. Basic Web Base Programming II
PHP
Basic Web Base Programming II
What is PHP?
PHP is an acronym for "PHP: Hypertext Preprocessor"
PHP is a widely-used, open source scripting language
PHP scripts are executed on the server
PHP is free to download and use
What is a PHP File?
PHP files can contain text, HTML, CSS, JavaScript, and PHP code
PHP code are executed on the server, and the result is returned to the browser as plain HTML
PHP files have extension ".php”

4. Basic Web Base Programming II
PHP
Basic Web Base Programming II
What Can PHP Do?
PHP can generate dynamic page content
PHP can create, open, read, write, delete, and close files on the server
PHP can collect form data
PHP can send and receive cookies
PHP can add, delete, modify data in your database
PHP can be used to control user-access
PHP can encrypt data
Why PHP?
PHP runs on various platforms (Windows, Linux, Unix, Mac OS X, etc.)
PHP is compatible with almost all servers used today (Apache, IIS, etc.)
PHP supports a wide range of databases
PHP is free. Download it from the official PHP resource: 
PHP is easy to learn and runs efficiently on the server side

5. Basic Web Base Programming II
Basic PHP Syntax
Basic Web Base Programming II
A PHP script can be placed anywhere in the document. A PHP script starts with <?php and ends with ?>: The default file extension for PHP files is ".php". A PHP file normally contains HTML tags, and some PHP scripting code.

6. Basic Web Base Programming II
Basic PHP Syntax
Basic Web Base Programming II

7. Basic Web Base Programming II
PHP echo and print Statements
Basic Web Base Programming II

8. Basic Web Base Programming II
Creating (Declaring) PHP Variables
Basic Web Base Programming II
A variable starts with the $ sign, followed by the name of the variable
A variable name must start with a letter or the underscore character
A variable name cannot start with a number
A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )
Variable names are case-sensitive ($age and $AGE are two different variables)

9. Basic Web Base Programming II
Output Variables
Basic Web Base Programming II

10. Basic Web Base Programming II
PHP Data Types
Basic Web Base Programming II
PHP supports the following data types:
String
Integer
Float (floating point numbers - also called double)
Boolean
Array
Object
NULL
Resource (Database Call)

11. Basic Web Base Programming II
PHP Operators
Basic Web Base Programming II
Operators are used to perform operations on variables and values.
PHP divides the operators in the following groups:
Arithmetic operators
Assignment operators
Comparison operators
Increment/Decrement operators
Logical operators
String operators
Array operators

12. Basic Web Base Programming II
PHP Arithmetic Operators
Basic Web Base Programming II

13. Basic Web Base Programming II
PHP Assignment Operators
Basic Web Base Programming II

14. Basic Web Base Programming II
PHP Comparison Operators
Basic Web Base Programming II

15. Basic Web Base Programming II
PHP Increment / Decrement Operators
Basic Web Base Programming II

16. Basic Web Base Programming II
PHP Logical Operators
Basic Web Base Programming II

17. Basic Web Base Programming II
PHP String Operators
Basic Web Base Programming II

18. Basic Web Base Programming II
PHP Array Operators
Basic Web Base Programming II

19. Basic Web Base Programming II
PHP Conditional Statements
Basic Web Base Programming II
In PHP we have the following conditional statements:
if statement - executes some code if one condition is true
if...else statement - executes some code if a condition is true and another code if that condition is false
if...elseif....else statement - executes different codes for more than two conditions
switch statement - selects one of many blocks of code to be executed

20. Basic Web Base Programming II
The if Statement
Basic Web Base Programming II

21. Basic Web Base Programming II
The if...else Statement
Basic Web Base Programming II

22. Basic Web Base Programming II
The if...elseif....else Statement
Basic Web Base Programming II

23. Basic Web Base Programming II
The PHP switch Statement
Basic Web Base Programming II

24. Basic Web Base Programming II
The PHP switch Statement
Basic Web Base Programming II

25. Basic Web Base Programming II
PHP Loops
Basic Web Base Programming II
In PHP, we have the following looping statements:
while - loops through a block of code as long as the specified condition is true
do...while - loops through a block of code once, and then repeats the loop as long as the specified condition is true
for - loops through a block of code a specified number of times
foreach - loops through a block of code for each element in an array

26. Basic Web Base Programming II
The PHP while Loop
Basic Web Base Programming II

27. Basic Web Base Programming II
The PHP do...while Loop
Basic Web Base Programming II

28. Basic Web Base Programming II
The PHP for Loop
Basic Web Base Programming II

29. Basic Web Base Programming II
The PHP foreach Loop
Basic Web Base Programming II

30. Basic Web Base Programming II
Create a User Defined Function in PHP
Basic Web Base Programming II

31. Basic Web Base Programming II
Workshop Time