The document provides information on developing a website using PHP. It discusses setting up the project structure, adding a hostname to the hosts file, creating a virtual host, and accessing a database. Specific steps covered include downloading project files, ensuring required software is installed, structuring project directories, editing configuration files, and inserting hostname entries. The document also introduces form validation and data sanitization techniques in PHP like using filter_var() with sanitize and validate filters.

1. WEB DEVELOPMENT
A workshop on developing a site using PHP

2. PROJECT
SETUP

3. Download
https://www.dropbox.com/s/
kq2r4e403iu566q/vhost.zip

4. Requirements
๏ Apache2
๏ Php 5.3 or above
๏ MySql
๏ PhpMyAdmin
๏ or MAMP, WAMP, and XAMPP

5. Steps
๏ Structure of the project
๏ Adding hostname to /etc/hosts
๏ Edit the httpd.conf in Apache
๏ Start Apache and test it

6. Project Structure
๏ Project Directory
๏ web directory
๏ index.php

7. Hosts in MAC/Unix
๏ Mac/Linux in terminal
sudo vi /etc/hosts
๏ and insert this
127.0.0.1 www.webcamp.com.local

8. Hosts in Windows
Open notepad as a administrator
Then open the file in
C:WindowsSystem32driversetchosts
insert
127.0.0.1 www.webcamp.com.local
Save the file. Make sure notepad doesn’t append .txt
to the file.

9. Creating a Virtual Host
๏ MAC
๏ Open /Applications/MAMP/conf/apache/httpd.conf
๏ Change
Listen 8888 -> Listen 80
ServerName localhost:8888 -> ServerName localhost
๏ Insert
NameVirtualHost *:80
Include /Users/computer_name/Desktop/vhost/*.conf //sample
๏ Create a new file with an extension .conf and save it to the folder
/Users/computer_name/Desktop/vhost and insert the code of virtual
host in this file.

10. Creating a Virtual Host
๏ WINDOWS
๏ Open C:wampbinapacheApache2.2.11confhttpd.conf
๏ Uncomment Include conf/extra/httpd-vhosts.conf
๏ Open the file in conf/extra/httpd-vhosts.conf
๏ Comment all except for the line NameVirtualHost *:80
๏ Then insert on the last line the code (next page)

11. Virtual Host

12. RESTART YOUR APACHE
and its done!

13. ACCESSING
DATABASE

14. Old Way

15. New Recommended Ways
๏ via PDO (PHP Data Objects)
๏ via MySQLi

16. 12 database drivers
Named &
API
(OOP) PDO Positional
Parameters
Prepared Statements

17. Using PDO

18. Connecting to the Database

19. Creating a Query using
Named Parameters

20. Creating a Query using
Positional Parameters

21. Preparing a Statement

22. Executing a Statement with
Named Parameters

23. Executing a Statement with
Positional Parameters

24. Fetching a Result Set

25. Error Handling Strategies
๏ PDO::ERRMODE_SILENT
๏ PDO::ERRMODE_WARNING
๏ PDO::ERRMODE_EXCEPTION

26. Handling Exceptions

27. Closing Connection

28. USING $_POST & $_GET

29. Things to Tackle
1. Request methods of form submission
• method=”POST”
• method=”GET”
2. Superglobals
3. $_GET and $_POST

30. REQUEST
METHODS

31. Create an HTML Form

32. GET vs POST
GET POST
Technical Body of HTTP
URL
Difference Request
Recommended viewing something changing
Usage without changing it something

33. GET vs POST
GET POST
๏ bookmark page ๏ sensitive information
๏ search engines can ๏ multi-part binary (file
Advantages upload)
index the page with
passed data ๏ large quantities of data
๏ size limitation ๏ can NOT bookmark
Disadvantages ๏ not for sensitive ๏ search engine can NOT
information index the page

34. SUPERGLOBALS

35. Superglobals
accessible
all scope
available

36. Superglobals
$GLOBALS
$_COOKIES
$_SERVER $_GET
$_SESSION
$_ENV
$_POST
$_REQUEST
$_FILES

37. $_GET
represents data sent to the PHP
script in a URL

38. $_GET example

39. $_GET example

40. $_GET example

41. $_POST
represents data sent to the PHP
script via HTTP POST

42. $_POST example

43. $_POST example

44. $_POST example

45. Hands-on time!

46. IMAGE
UPLOAD

47. In 2 steps...
1. File submission (Client)
2. File processing (Server)

48. To submit a file...
Specify content type

49. And...
Include a file input

50. To process a file...
๏ Handle
๏ Validate
๏ Save

51. Handling the $_FILES

52. $_FILES
๏ name - original file name
๏ type - file mime type
๏ tmp_name - temporary file location
๏ error - error code
๏ size - file size (in bytes)

53. Validating
The file must be an image

54. Validate by...
๏ Extension
๏ Mime type
๏ Attribute

55. Attribute Validation
getimagesize( $image )

56. Saving
move_uploaded_file( $image, $destination )

57. FORM
VALIDATION

58. Before validating...
Sanitize

59. Sanitize...
Unwanted characters

60. Validate
Data is acceptable

61. Sanitize with...
filter_var( $data, $filter )

62. Using sanitize filters...
๏ FILTER_SANITIZE_EMAIL ๏ FILTER_SANITIZE_SPECIAL_CHARS
๏ FILTER_SANITIZE_ENCODED ๏ FILTER_SANITIZE_FULL_SPECIAL_CHARS
๏ FILTER_SANITIZE_MAGIC_QUOTES ๏ FILTER_SANITIZE_STRING
๏ FILTER_SANITIZE_NUMBER_FLOAT ๏ FILTER_SANITIZE_STRIPPED
๏ FILTER_SANITIZE_NUMBER_INT ๏ FILTER_SANITIZE_URL
๏ FILTER_SANITIZE_SPECIAL_CHARS ๏ FILTER_UNSAFE_RAW

63. Validate with...
filter_var( $data, $filter )

64. Using validate filters...
๏ FILTER_VALIDATE_BOOLEAN
๏ FILTER_VALIDATE_EMAIL
๏ FILTER_VALIDATE_FLOAT
๏ FILTER_VALIDATE_INT
๏ FILTER_VALIDATE_IP
๏ FILTER_VALIDATE_REGEXP
๏ FILTER_VALIDATE_URL

65. THANK
YOU!