1 Session 1: Introduction to PHP & MySQL iNET Academy Open Source Web Development

2 Objectives PHP & MySQL in web development Components of PHP applications Installation & Configurations of Apache, MySQL and PHP Open source tools

3 World Wide Web Web pages Created by HTML => Static pages Dynamic pages By modifying HTML code By using CGI programs written in C or Perl PHP&MySQL make creating dynamic websites easier and faster World Wide Web: HTML & XHTML CSS URI HTTP HTTP – HyperText Transfer Protocol Developed by W3C and IETF Defines how web pages are transferred across the Internet. A request-and-response protocol that connects clients and servers Server listen on port 80 Client send request Server send back response (files, images …) HTTP => TCP => IP

4 PHP&MySQL in web development PHP&MySQL work well together PHP&MySQL have open source power PHP&MySQL have community support PHP&MySQL are fast PHP&MySQL don’t bog you down with unnecessary details

5 Components of a PHP Application PHP: programing language First appear in 1994 Is an interpreted language Compete with ASP and JSP Simply but powerful Compatible with many OS Can be extended with new capabilities

6 Components of a PHP Application (cont.) Apache: web server Get browser request and return web pages Currently have 3 versions: 1.3.x 2.0.x rewrite and support threading 2.2.x Apache vs IIS Uses modules to load extensions Works with many OSs

7 Components of a PHP Application (cont.) MySQL: database server Developed in 1990 Support different database engines: MyISAM and InnoDB Three versions currently

8 Integrating many sources of Information Web pages includes not only HTML code but also CSS: Cascading Style Sheets PHP/JSP/ASP Java Script

9 Requesting data from a web page

10 Requesting data from a web page (cont.)

11 Installation Install Apache, MySQL and PHP separately Install all-in-one package XAMPP

12 Installing Apache using Installation Wizard Goto website Download the Apache 2.2.x Win32 MSI apache_2.2.x-win32-x86-no_ssl.msi apache_2.2.x-win32-x86-openssl-….msi

13 Installing Apache using Installation Wizard (cont.) The Installation Wizard prompts you for basic configuration

14 Installing Apache using Installation Wizard (cont.) Apache License terms and conditions for use

15 Installing Apache using Installation Wizard (cont.) Apache HTTP Server Information

16 Installing Apache using Installation Wizard (cont.) Server Network Information Dialog

17 Installing Apache using Installation Wizard (cont.) Selecting a setup type

18 Installing Apache using Installation Wizard (cont.) Destination Folder dialog for the Apache installation files

19 Installing Apache using Installation Wizard (cont.) “Ready to Install” dialog

20 Installing Apache using Installation Wizard (cont.) Apache’s default index page after installation

21 Configuring Apache Choose Edit Apache httpd.conf Some important directives Listen LoadModule DocumentRoot Directory Options Order, Allow, Deny Alias

22 Practice: Installing & Configuring Apache In this practice, you will Install the apache server using Installation Wizard Config the server with the following tasks Changge the Port to 8080 Change the DocumentRoot to another folder Add new aliases and directories Enable the Indexes directive on one of these alias

23 Installing PHP using Installation Wizard Goto Download the PHP 5.2.x Win32 MSI php-5.2.x-win32-installer.msi

24 Installing PHP using Installation Wizard (cont.) The PHP MSI installer

25 Installing PHP using Installation Wizard (cont.) The License Terms dialog

26 Installing PHP using Installation Wizard (cont.) The installation directory for PHP

27 Installing PHP using Installation Wizard (cont.) The Web Server Setup dialog

28 Installing PHP using Installation Wizard (cont.) Select the Apache install path

29 Installing PHP using Installation Wizard (cont.) The Installation Options dialog Choose extensions: mbstring and mysql

30 Installing PHP using Installation Wizard (cont.) Dialog confirming that the installer will config Apache After finish, the Successful Installation dialog appears Restart Apache Server

31 Installing PHP manually Goto the website Download the PHP 5.2.x zip pakage php Win32.zip Unzip it to the folder C:\PHP Edit the httpd.conf. Add three lines as follow at the bottom

32 Installing PHP manually (cont.) Goto folder C:\PHP Edit the file named “php.ini-recommended” and SaveAs “php.ini” Restart the Apache server

33 Test of PHP installation Create a phpinfo.php file with the content Save it under the Apache DocumentRoot Directory. Open browser and type in the location barhttp://localhost/phpinfo.php The result should be

34 Practice: Installing and Configuring PHP In this practice, you will: Install PHP manually Test the installation

35 Installing MySQL using Installation Wizard Goto the website Download the window installer version of MySQL 5.0.x mysql-essential b-win32.msi

36 Installing MySQL using Installation Wizard (cont.) The MySQL Setup Wizard

37 Installing MySQL using Installation Wizard (cont.) Select a setup type

38 Installing MySQL using Installation Wizard (cont.) The MySQL.com account setup dialog

39 Installing MySQL using Installation Wizard (cont.) Customizes the database settings

40 Installing MySQL using Installation Wizard (cont.) Choose level of detail

41 Installing MySQL using Installation Wizard (cont.) Howto start MySQL and setup the system path

42 Installing MySQL using Installation Wizard (cont.) Security setting for the database window

43 Installing MySQL using Installation Wizard (cont.) Installation is completed

44 Config PHP to connect to MySQL Open the php.ini files Find the extension_dir directive and modify as follow Find the extension directive and modify as follow Append “;C:\php” to the system environment’s variable named Path. (MyComputer->Properties- >Advanced->Environment Variables Restart Windows then browse the phpinfo.php page.

45 Config PHP to connect to MySQL (cont.)

46 Practice: Installing MySQL and Configuring PHP In this practice, you will: Install MySQL Config PHP to connect to MySQL Test the config’s result

47 Open source tools XAMPP: all-in-one installation package phpMyAdmin: admin MySQL using web- based tool SQLyog: best GUI tool to administer MySQL Notepad++: PHP&other languages editor.

48 Summary PHP is usually used to develop web applications PHP-based web applications always go together with Apache and MySQL