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Matthew M.

Matthew M.

Web Application Development

Slide Duration:

Table of Contents

I. Advanced PHP with MySQL
Course Introduction

13m 36s

Intro
0:00
Advanced PHP w/ MySQL
0:13
Course Introduction
0:14
Course Content
0:59
Web Application: Educator Store
1:45
Web Application: Educator Store
1:46
Object-Oriented Programming
6:09
Object-Oriented Programming Overview
6:10
MySQL
6:50
MySQL Overview
6:51
Example: Command Prompt & MySQL
8:34
What You Will Learn
9:34
What You Will Learn
9:35
Course Prerequisites
11:52
Course Prerequisites
11:53
Advanced Course Development Environment

18m 46s

Intro
0:00
Lesson Overview
0:11
Lesson Overview
0:12
Development Environment Setup
1:36
Firefox Web Browser, XAMPP, and PSPad Text Editor
1:37
Course Directory Structure
4:36
Course Directory Structure
4:37
phpDocumentor
7:23
phpDocumentor Overview
7:24
Parsing Source Code
7:44
docs Subdirectory
9:06
Asvanced PHP Course Documentation Example
10:21
Previous Educator PHP Students
14:14
Lib Directory Changes
14:38
Images Directory Changes
14:57
VERSION Constant
15:40
Comments Noting a Specific Version Number
17:04
Homework Challenge
17:30
Homework Challenge
17:31
Introduction to File I/O

35m 37s

Intro
0:00
Lesson Overview
0:10
Lesson Overview
0:11
File I/O
1:34
File I/O Overview
1:35
Performing file I/O: 3 Steps
1:52
File Permissions
2:28
Read Permission & Write Permission
2:29
fopen()
4:47
fopen()
4:48
Two Required Parameters
5:01
Successful fopen(): File Handle and Resource
5:21
FALSE and E_WARNING Error
6:00
Example
6:39
File Paths
7:10
File Paths
7:11
File Access Modes
9:18
File Access Modes
9:19
Coding Example: fopen()
10:31
Using Relative and Absolute Path & Non-Existent File
10:32
File Pointers
15:55
File Pointers
15:56
Example File
16:11
Opening a File with fopen() Using 'r' as the Access Mode
16:22
fgets()
17:55
fgets() Overview
17:56
Coding Example: fgets() - Reading a Line at a Time
18:26
feof()
20:10
feof() Overview
20:09
Coding Example: feof()
20:50
fclose()
23:43
fclose() Overview
23:44
Coding Example: fclose()
25:02
Coding Example: Current Stock
26:10
Coding Example: Current Stock
26:11
trim ()
31:39
trim () Overview and Example
31:40
Homework Challenge
33:35
Homework Challenge
33:36
Web Application Development

36m 36s

Intro
0:00
Lesson Overview
0:16
Lesson Overview
0:17
Version 1.0 Changelog
0:31
catalog.php
0:32
Function Library: fileLIB.php
5:00
Version 1.1 Changelog
27:12
createItemDataArray() and createDeptDataArray()
27:13
outputSimpleItemLink() and outputSimpleDeptLink()
32:06
HTTP & the POST Method

34m 36s

Intro
0:00
Lesson Overview
0:10
Lesson Overview
0:11
HTTP Model
1:28
HTTP Model
1:29
Client-Server Model 2 Steps Process
2:00
HTTP Messages
2:23
HTTP Messages
2:24
HTTP Requests
3:09
HTTP Requests
3:10
Example: HTTP Request Header
3:17
Coding Example: HTTP Requests
4:29
HTTP Responses
7:15
HTTP Responses
7:16
Example: HTTP Response (Header & Body)
8:00
header()
11:47
header() Overview
11:48
Coding Example: header
14:02
Coding Example: header() Error
14:52
GET Method
18:55
GET Method
18:56
Coding Example: GET Method
20:13
POST Method
21:09
POST Method
21:10
Coding Example: Sample Form Using the POST Method
23:50
Accessing POST Data in PHP
26:38
Accessing POST Data in PHP
26:39
Coding Example: Accessing POST Data via $_POST
28:15
GET vs. POST
29:54
GET vs. POST
29:55
Example: Accessing POST Data via $_POST
31:20
Example: Accessing POST Data via $_POST
31:21
Homework Challenge
33:00
Homework Challenge
33:01
Web Application Development

14m 11s

Intro
0:00
Version 2.0 Changelog
0:09
Updating the Site's Current Form to Use the POST Method
0:10
Creating Admin Website
2:55
Dynamically Generated Department List
12:40
Writing to Files

17m 38s

Intro
0:00
Lesson Overview
0:09
Lesson Overview
0:10
Review of File I/O
0:40
Review of File I/O
0:41
fwrite()
1:38
fwrite()
1:39
fputs()
2:20
'r+'
2:31
Coding Example: fwrite()
2:59
fopen() Access Modes
8:41
'a' and 'a+'
8:42
'w' and 'w+'
11:34
Homework Challenge
14:47
Homework Challenge
14:48
Web Application Development

28m 14s

Intro
0:00
Lesson Overview
0:08
Lesson Overview
0:09
Updated Open File Functions
0:19
openItemsDataFile ( ), openDeptsDataFile ( ), and openLastAddedFile ( )
0:20
insertItem()
6:25
insertItem() Overview
6:26
Functions: createItemDataString ( ) and updateLastItemAdded ( )
7:07
addItemToDepartment ()
16:03
addItemToDepartment () Overview
16:04
Functions: createDeptDataString ( ) and updateDepartment ( )
17:55
HTTP POST: File Uploads

22m 51s

Intro
0:00
Lesson Overview
0:10
Lesson Overview
0:11
POST Data Encoding
1:13
POST Data Encoding
1:14
When Data is Included in the Body of the HTTP POST Request and is of the Content Type
1:31
When Uploading Files Using HTTP POST
3:17
Uploading Files
6:22
Uploading Files
6:23
If Encoding Type is Not Set to Multipart/Formdata
9:27
$_FILES Superglobal
10:59
$_FILES Superglobal
11:00
Structure of $_FILES
12:15
Structure of $_FILES: Name, Type, tmp_name, Error, and Size
12:16
Coding Example: $_FILES Superglobal
13:34
Moving an Uploaded File
15:39
Introduction to Moving an Uploaded File
15:40
move_uploaded_file ( ): Definition and Example
16:40
Homework Challenge
21:19
Homework Challenge
21:20
Web Application Development

15m 30s

Intro
0:00
Lesson Overview
0:09
Lesson Overview
0:10
Uploading Item Image File
1:22
Uploading Item Image File
1:23
Uploading Item Image File (cont.)
2:43
Altering insertItem ( )
2:44
Helpfer Functions: getFileExtension ( ) and moveUploadedFile ( )
4:30
isValidItem ( )
13:03
Introduction to Object-Oriented Programming

32m 44s

Intro
0:00
Lesson Overview
0:11
Lesson Overview
0:12
Object-Oriented Programming
0:56
Introduction to Object-Oriented Programming
0:57
Associative Arrays
5:27
Associative Arrays
5:28
Classes
7:27
Classes Overview
7:28
Defining Classes
8:24
Defining Classes
8:25
Declaring Class Properties
9:25
Coding Example: Classes
10:11
Objects
12:18
Objects Overview
12:19
Classes vs. Objects
12:49
Classes vs. Objects
12:50
Instantiating Classes
14:58
Instantiating Classes
14:59
Coding Example: Instantiate an Item Object
16:30
Object Properties
19:21
Access and Set an Object's Property
19:22
Coding Example: Set & Access the Properties of an Item Object
24:23
Homework Challenge
30:22
Homework Challenge
30:23
Web Application Development

17m 47s

Intro
0:00
Lesson Overview
0:11
Lesson Overview
0:12
Version 5.0 Overview
0:50
Version 5.0 Overview and Examples
0:51
Outputting Object Properties
12:38
Outputting Object Properties
12:39
Array Object Properties
14:18
Access and Set Array Value
14:19
Object Methods

39m 57s

Intro
0:00
Lesson Overview
0:12
Lesson Overview
0:13
Object Methods
0:52
Definition of Object Methods
0:53
Calling Object Methods
3:25
Calling Object Methods
3:26
Coding Example: Simple Object Methods
4:44
Object Methods and Return Values
7:02
$this Variable
10:06
$this Variable: Definition and Example
10:07
$this Variable (cont.)
15:51
$this Variable (cont.)
15:52
Getters & Setters
21:21
Getters & Setters Methods
21:22
Object Methods In Strings
25:46
Object Methods In Strings
25:47
Coding Example: Outputting Method Return Values in Strings
27:41
Using $this to Call Other Methods
28:49
Using $this to Call Other Methods
28:50
Homework Challenge
34:18
Homework Challenge: 1-3
34:19
Homework Challenge (cont.)
36:20
Homework Challenge: 4-6
36:21
Homework Challenge (cont.)
37:52
Homework Challenge: 7-10
37:53
Web Application Development

17m 30s

Intro
0:00
Lesson Overview
0:11
Lesson Overview
0:12
Version 6.0 Overview
0:40
Version 6.0 Changes & Examples
0:41
Item Methods
0:53
Item Class Definition: getImageFilename()
0:54
Coding Example: getImageFilename()
1:58
Department Methods
7:33
addItem(), removeItem(), and isItemInDept() Method
7:34
addItemtToDepartment() & buildDeptObject() Functions
11:46
A Default Value Needed to Be Set for $items
16:26
Object Constructors

22m 20s

Intro
0:00
Lesson Overview
0:11
Lesson Overview
0:12
Object Constructors
0:32
Introduction to Object Constructors
0:33
Coding Example: Object Constructors
1:43
Defining Constructors
3:26
Defining Constructors
3:27
Coding Example: Constructors with No Arguments
4:24
Constructor Arguments
8:09
Constructor Arguments
8:10
Coding Example: Constructor Arguments
9:49
Important Notes
16:13
Important Notes
16:14
Homework Challenge
17:35
Homework Challenge: 1 - 4
17:36
Homework Challenge (cont.)
19:13
Homework Challenge: 5 - 9
19:14
Homework Challenge (cont.)
21:40
Homework Challenge: 10 and 11
21:41
Web Application Development

16m 19s

Intro
0:00
Lesson Overview
0:11
Lesson Overview
0:12
Version 7.0 Overview
0:39
Version 7.0 Overview
0:40
Item Constructor
2:19
Item Constructor
2:20
Department Constructor
7:47
Department Constructor
7:48
Customer Constructor
12:23
Customer Constructor
12:24
More Magic Methods

53m 37s

Intro
0:00
Lesson Overview
0:13
Lesson Overview
0:14
Magic Methods
1:12
Magic Methods
1:13
Destructors
2:45
Destructors Overview
2:46
Coding Example: Calling Destructors
4:30
Coding Example: Object Destructor
9:19
_to String ()
16:12
_to String () Overview
16:13
Coding Example: _to String () Magic Method
18:10
Access Modifiers
21:23
Introduction to Access Modifiers
21:24
Access Modifiers: Public
21:39
Access Modifiers: Private
22:18
Access Modifiers: Protected
22:41
Object Properties and Methods
23:06
Coding Example: Public Access Modifiers
26:48
Coding Example: Private Access Modifiers
28:30
_get()
31:37
_get() Overview
31:38
Coding Example: _get () Magic Method
33:30
_set ()
36:23
_set () & the Magic Method
36:24
Using Getters & Setters
44:37
Coding Example: Using Getters & Setters
44:38
Homework Challenge
50:33
Homework Challenge: 1 - 6
50:34
Homework Challenge (cont.)
51:41
Homework Challenge: 7 - 12
51:42
Web Application Development

31m 12s

Intro
0:00
Version 8.0 Review
0:12
Version 8.0 Review
0:13
private Object Properties
1:15
private Object Properties
1:16
Coding Example
2:54
_toString() Methods
6:51
_toString() Methods
6:52
Coding Example
8:09
DataFile Class
13:27
DataFile Class & I/O Operations
13:28
Using DataFile Class: Instantiate a DataFile, DataFile open () Method, and DataFile close () Method
18:09
Homework Challenge
29:35
Homework Challenge
29:36
Classes vs. Objects

37m 49s

Intro
0:00
Lesson Overview
0:09
Lesson Overview
0:10
Class vs. Object Review
0:58
Class vs. Object Review
0:59
Static Properties
2:42
Static Properties
2:43
Scope Resolution Operator (::)
5:26
Scope Resolution Operator (::) & Static Property
5:27
Coding Example: Accessing a Static Property Using the Scope Resolution Operator
7:57
Coding Example: Accessing a Static Property in a Class Definition
10:33
Coding Example: Using a Static Property as an Instance Counter
14:18
Static Methods
18:51
Static Methods Overview
18:52
Coding Example: Static Methods
21:39
Classes vs. Objects
26:28
Classes vs. Objects: Diagrams
26:29
Class Constants
30:24
Class Constants Definition
30:25
Coding Example: Using Class Constants
31:55
Homework Challenge
34:01
Homework Challenge: 1 - 5
34:02
Homework Challenge (cont.)
35:25
Homework Challenge: 6 - 10
35:26
Web Application Development

21m 7s

Intro
0:00
Version 9.0 Overview
0:12
Version 9.0 Changes & Examples
0:13
Output Class
1:08
Output Class & Static Methods
1:09
outputHtmlSelector ( ) Method
2:43
outputItemSelector ( ) Method
4:53
outputDeptSelector ( ) Method
6:42
buildObject() Methods
11:54
buildObject() Methods & Examples
11:55
Exceptions

22m 43s

Intro
0:00
Lesson Overview
0:12
Lesson Overview
0:13
try Blocks
0:44
try Blocks Definition
0:45
catch Blocks
2:03
catch Blocks: Definition and Syntax
2:04
Coding Example: try/catch Blocks
3:48
When an Exception Object is Caught & Error Handling
5:59
Exception Class
7:02
Exception Class
7:03
Coding Example: Using try/catch to Catch an Exception Thrown from a Method
8:04
Re-Throwing Exceptions
16:39
Re-Throwing Exceptions
16:40
Coding Example: Re-throwing an Exception
17:21
Homework Challenge
20:40
Homework Challenge: 1 - 5
20:41
Homework Challenge (cont.)
22:17
Homework Challenge: 6
22:18
Web Application Development

22m

Intro
0:00
Version 10.0 Overview
0:11
Updating addItem.php, addItemToDept.php, and error.php
0:12
Updating DataFile Class: open ( ) Method & try/catch blocks
7:45
Version 10.1 Overview
13:37
Version 10.1 Changes & Examples
13:38
Updating DataFile Class: close ( ) Method & logWarning ( )
20:17
Cookies

39m 47s

Intro
0:00
Lesson Overview
0:09
Lesson Overview
0:10
What is a Cookie?
1:15
Definition of Cookie
1:16
HTTP - A Stateless Protocol
2:17
HTTP - A Stateless Protocol
2:18
Purpose of Cookies
4:10
Set - Cookie Header
6:21
Introduction to Set - Cookie Header
6:22
Coding Example: Set - Cookie Header
7:38
Cookie Header
9:45
Introduction to Cookie Header
9:46
Example: Cookie Header
10:27
setcookie()
12:33
Introduction to setcookie()
12:34
Example: Using setcookie
13:54
Cookies Attributes
15:48
Cookies Attributes Overview
15:49
Common Cookies Attributes: Domain
16:24
Common Cookies Attributes: Path
17:04
Common Cookies Attributes: Expires
19:34
Coding Example: Setting Cookie Attributes
20:58
$_COOKIE Superglobal
27:03
$_COOKIE Superglobal
27:04
Coding Example: Accessing Cookies from PHP Using $_COOKIE
29:45
Security Implications
34:44
Security Implications
34:45
Homework Challenge
36:10
Homework Challenge: 1 - 4
36:11
Homework Challenge (cont.)
37:47
Homework Challenge: 5 - 7
37:48
Web Application Development

39m 11s

Intro
0:00
Lesson Overview
0:17
Lesson Overview
0:18
instanceof Operator
1:34
instanceof Operator
1:35
Objects with Object Properties
2:53
Objects with Object Properties
2:54
Version 11.0 Overview
6:41
Version 11.0 Changes: Cart and CartItem Classes
6:42
Version 11.0 Coding Example
10:40
Version 11.1 Overview
31:03
Version 11.1 Changes & Examples
31:04
Introduction to Sessions

46m 8s

Intro
0:00
Lesson Overview
0:08
Lesson Overview
0:09
What is a Session?
0:53
What is a Session?
0:54
Client-Side Sessions
3:51
Client-Side Sessions
3:52
Server-Side Sessions
5:04
Server-Side Sessions
5:05
Session IDs
6:26
Session IDs
6:27
The SID is Used by the Server to:
7:08
A Client Passes an SID to the Server with Each HTTP Request Via:
8:15
Sessions in PHP
12:19
Sessions in PHP
12:20
session_start()
14:40
session_start() Overview
14:41
Coding Example: Using session_start () to Continue a Session
18:03
$_SESSION Superglobal
22:06
$_SESSION Superglobal Overview
22:07
Coding Example: Setting a Session Variable via $_SESSION
25:22
Accessing Session Data
28:08
Accessing Session Data
28:09
Deleting Session Data
31:43
Deleting Session Data
31:44
Coding Example: Deleting Session Data
32:16
Configuring PHP Sessions
36:14
session.cookie_lifetime, session.cookie_domain, and session.cookie_path
36:15
Coding Example: Configuring PHP Sessions
37:28
Configuring PHP Sessions (cont.)
40:56
session.use_cookies, session.use_trans_sid, and session.use_only_cookies
40:57
Coding Example: Configuring PHP Sessions
42:25
Homework Challenge
42:55
Homework Challenge: 1 - 5
42:56
Homework Challenge (cont.)
44:10
Homework Challenge: 6 - 10
44:11
Homework Challenge (cont.)
45:27
Homework Challenge: 11 - 13
45:28
Web Application Development

11m

Intro
0:00
Version 12.0 Overview
0:12
Version 12.0 Changes Part I: Updating 'viewCart.php' & 'checkout.php'
0:13
Version 12.0 Changes Part II
5:03
Destroying Sessions

29m 59s

Intro
0:00
Lesson Overview
0:12
Lesson Overview
0:13
Destroying Sessions
1:02
Destroying Sessions
1:03
session_destroy()
2:10
session_destroy() Overview
2:11
Coding Example: Setting a Session Variable and Destroying a Session
3:18
Deleting Session Cookies
8:38
Deleting Session Cookies
8:39
Coding example: Deleting Session Cookies
9:17
Review of Steps
21:07
Review of Steps
21:08
Garbage Collection
21:50
Garbage Collection Overview
21:51
Coding Example: Garbage Collection
24:30
Homework Challenge
26:28
Homework Challenge: 1 - 4
26:29
Homework Challenge (cont.)
28:16
Homework Challenge: 5 - 9
28:17
Web Application Development

19m 14s

Intro
0:00
Lesson Overview
0:13
Lesson Overview
0:14
_autoload()
0:46
Introduction to _autoload ()
0:47
Version 13.0 Overview
4:06
_autoload () and SessionManager Class
4:07
Updating 'viewCart.php' & 'checkout.php'
11:16
Introduction to Databases

21m 24s

Intro
0:00
Lesson Overview
0:16
Lesson Overview
0:17
Flat Files
1:09
Flat Files: Definition and Example
1:10
Problems Associated with Using Flat Files as a Database
2:15
Relational Databases
3:29
Relational Databases
3:30
Relational Database Management System (RDBMS)
3:50
Tables
7:43
Tables
7:44
Columns
9:24
Columns
9:25
What is SQL?
10:45
Introduction to Structured Query Language
10:46
Standard Data Types of SQL
12:23
Primary Keys
13:19
Primary Keys
13:20
Primary Key Examples
16:36
Primary Key Examples
16:37
Introduction to MySQL

28m 11s

Intro
0:00
Lesson Overview
0:11
Lesson Overview
0:12
What is MySQL?
1:33
MySQL
1:34
MySQL Monitor
5:16
MySQL Monitor Overview
5:17
XAMPP & MySQL
5:58
In the MySQL Command: hostname, username and -p
7:05
Connecting to a MySQl Server
9:52
Connecting to a MySQl Server
9:53
Using MySQl Monitor
13:48
Using MySQl Monitor
13:49
GRANT Command
15:10
GRANT SQL Command
15:11
Privileges & Objects
18:18
Username, Hostname, and Password
19:37
Specifying Objects
20:05
Creating a PHP User Account
21:41
Creating a PHP User Account Overview
21:42
Meaning of all & *.*
23:35
Example: Creating a PHP User Account
23:48
Required Homework
26:27
Required Homework: 1 - 5
26:28
Required Homework (cont.)
27:28
Required Homework: 6
27:29
Creating Databases & Tables

23m 1s

Intro
0:00
Lesson Overview
0:08
Lesson Overview
0:09
Creating a Database
1:40
Introduction to Creating a Database
1:41
Example: Creating a Database
3:33
CREATE TABLE Command
6:43
CREATE TABLE Command
6:44
Data Types
7:39
Numeric Data Types: INT, INT UNSIGNED, and DECIMAL
7:40
String Data Types: CHAR (M), VARCHAR (M), and TEXT
9:23
Colum Attributes
11:00
PRIMARY KEY Attribute
11:01
AUTO INCREMENT Attribute
11:35
Items Table
13:07
Items Table
13:08
Useful Commands
17:04
SHOW TABLES Command & DESCRIBE Utility Statement
17:05
Example: Creating an Items Table
17:58
Required Homework
20:51
Required Homework: 1 - 6
20:52
Required Homework (cont.)
21:55
Required Homework: 7 - 9
21:56
SQL Command: INSERT

27m 11s

Intro
0:00
Lesson Overview
0:11
Lesson Overview
0:12
INSERT Command
1:20
SQL INSERT Command
1:21
Specifying Values
3:16
Columns with Numeric Data Types
3:17
Columns with String Data Types
3:34
Columns with AUTO INCREMENT
4:07
Inserting Items
5:21
Inserting Items
5:22
Example: Inserting Items
7:03
SQL Text Files
14:04
SQL Monitor Client
14:05
MySQL Monitor & the < Operator
15:15
Example
17:35
Required Homework
22:32
Required Homework: 1 - 6
22:33
Required Homework (cont.)
24:19
Required Homework: 7 - 10
24:20
SQL Command: SELECT

24m 57s

Intro
0:00
Lesson Overview
0:10
Lesson Overview
0:11
SELECT Command
0:42
SELECT Command: Definition and Syntax
0:43
Results of a SELECT Query
1:53
To Specify the Retrieval of All Columns from a Table
3:06
Example: SELECT Command
4:18
WHERE Clause
7:11
WHERE Clause
7:12
A SELECT Query with WHERE Clause has the Following Syntax
8:10
A Where Condition can Contain both Logical and Comparison Operators
9:44
Literal Values
13:24
Literal Values
13:25
Example: Literal Values
14:18
ORDER BY Clause
15:31
ORDER BY Clause & SELECT Query
15:32
Ascending and Descending Order
17:30
An ORDER BY Clause can Specify Multiple Columns to Order the Rows by
18:01
Example: SELECT Query with WHERE and ORDER BY Clause
20:32
Homework Challenge
21:59
Homework Challenge
22:00
Homework Challenge (cont.)
23:54
Homework Challenge
23:55
Using PHP from MySQL

32m 43s

Intro
0:00
Lesson Overview
0:10
Lesson Overview
0:11
PHP/MySQL Architecture
0:56
PHP/MySQL Architecture
0:57
MySQLi Extension
3:05
MySQLi Extension
3:06
Steps to Using MySQL from PHP
5:53
Four Steps to Using MySQL from PHP
5:54
Step # 3
7:18
Connecting to a Database
8:12
To Connect to a MySQL Database
8:13
To Test for Connection Errors
10:20
Running an SQL Statement
11:54
Running an SQL Statement
11:55
Example
13:30
Processing the Results
15:58
For non-SELECT Queries
15:59
MySQLi Object Property: affected_rows
16:19
For INSERT Statements on Tables with an AUTO_INCREMENT Column
18:07
Closing the Connection
19:45
Closing the Connection
19:46
Coding Example
21:24
Coding Example: Using MySQL from PHP
21:25
Homework Challenge
29:00
Homework Challenge: 1 - 4
29:01
Homework Challenge (cont.)
31:10
Homework Challenge: 5 - 9
31:11
Web Application Development

30m 30s

Intro
0:00
Lesson Overview
0:14
Lesson Overview
0:15
sprintf()
1:28
sprintf() Overview
1:29
Example
1:56
INSERT Statements with sprintf()
5:15
INSERT Statements with sprintf()
5:16
Version 14.0 Overview
10:00
Version 14.0 Changes & Examples Part 1
10:01
Version 14.0 Changes & Examples Part 2
21:58
SELECT QUERIES from PHP

24m 22s

Intro
0:00
Lesson Overview
0:14
Lesson Overview
0:15
SELECT Queries
1:21
SELECT Queries
1:22
MySQLi_Result Class
3:17
MySQLi_Result Class: num_rows
3:18
MySQLi_Result Class: fetch_assoc ( ) and fetch_object ( )
3:59
fetch_assoc()
5:17
fetch_assoc() Overview
5:18
Coding Example: Using fetch_assoc()
9:00
stdClass Objects
12:46
stdClass Objects
12:47
fetch_object()
14:19
fetch_object() Overview
14:20
Coding Example: Using fetch_object()
16:45
Freeing Result Set Memory
18:42
Freeing Result Set Memory
18:43
Coding Example: Using free ( )
20:01
Homework Challenge
22:07
Homework Challenge: 1 - 5
22:08
Web Application Development

17m 6s

Intro
0:00
Version 15.0 Overview
0:13
Version 15.0 Changes & Examples Part 1
0:14
Version 15.0 Changes & Examples Part 2
8:43
Linking Tables

24m 32s

Intro
0:00
Lesson Overview
0:16
Lesson Overview
0:17
A Departments Table
1:08
Departments Table
1:09
How Could We Model This in a Table: Option 1
1:26
How Could We Model This in a Table: Option 2
3:12
Database Normalization
4:37
Database Normalization
4:38
Foreign Keys
8:47
Foreign Keys
8:48
Linking Table
11:26
Linking Table
11:27
Multiple Column Primary Keys
15:30
Multiple Column Primary Keys
15:31
Example
18:51
Required Homework
22:34
Required Homework: 1 - 3
22:35
Required Homework (cont.)
24:10
Required Homework: 4
24:11
Web Application Development

24m

Intro
0:00
Version 16.0 Overview
0:11
Version 16.0 Changes
0:12
Version 16.0 Coding Examples
4:12
Version 16.0 (cont.)
18:30
Version 16.0 Changes & Examples Part 2
18:31
SQL Command: DELETE

10m 33s

Intro
0:00
Lesson Overview
0:12
Lesson Overview
0:13
DELETE Statement
0:30
DELETE Statement & Its WHERE Clause
0:31
Delete All Rows From a Table
2:57
Using DELETE from PHP
4:04
Using DELETE from PHP Overview
4:05
Coding Example: Using DELETE from PHP
6:37
Homework Challenge
8:53
Homework Challenge: 1 - 4
8:54
Web Application Development

16m 2s

Intro
0:00
Version 17.0 Overview
0:11
Version 17.0 Changes
0:12
Version 17.0 Coding Example
2:51
Transactions
12:50
Database Transaction
12:51
Steps in Using Transactions
14:00
SQL Command: UPDATE

32m 14s

Intro
0:00
Lesson Overview
0:10
Lesson Overview
0:11
UPDATE Statement
0:54
UPDATE Statement & Its WHERE Clause
0:55
Example: UPDATE Statement
3:32
Using UPDATE from PHP
5:21
Using UPDATE from PHP Overview
5:22
Coding Example: Using UPDATE from PHP
6:53
htmlspecialchars()
9:04
htmlspecialchars()
9:05
Encoding Special Characters
9:23
Coding Example: htmlspecialchars()
13:41
addslashes()
20:40
addslashes()
20:41
Coding Example: addslashes()
22:52
Homework Challenge
27:55
Homework Challenge: 1 - 2
27:56
Homework Challenge (cont.)
30:14
Homework Challenge: 3 - 5
30:15
Homework Challenge (cont.)
30:41
Homework Challenge: 6 - 9
30:42
Web Application Development

12m 33s

Intro
0:00
Version 18.0 Overview
0:12
Version 18.0 Changes
0:13
Version 18.0 Coding Example
1:24
SQL: Joins

42m 16s

Intro
0:00
Lesson Overview
0:11
Lesson Overview
0:12
DATETIME Data Type
1:52
DATETIME Data Type
1:53
Modeling Orders
5:12
Modeling Orders
5:13
Customers Table
10:46
Customers Table
10:47
Example
16:18
Example: Order Table in MySQL
16:19
Joins
22:26
Joins Overview
22:27
Inner Join
23:09
Example: Joins
24:11
Join Conditions
28:14
Join Conditions
28:15
Example
28:32
Join Queries
30:00
Example: Join Conditions in MySQL
30:36
Implicit Joins
34:42
Implicit Joins
34:43
Example: Implicit Joins
35:57
Aliases
37:28
Introduction to Aliases
37:29
Example: Aliases
38:55
Required Homework
40:32
Problem 1
40:33
Problem 2
41:01
Problem 3
41:17
Web Application Development

29m 34s

Intro
0:00
Lesson Overview
0:12
Lesson Overview
0:13
Inserting Orders
0:44
Inserting Orders
0:45
Version 19.0 Overview
3:45
Version 19.0 Changes & Example Part 1
3:46
Version 19.0 Changes & Example Part 2
13:18
Version 19.1 Overview
21:10
Version 19.1 Changes
21:11
Version 19.1 Coding Example
22:18
User Authentication

26m 13s

Intro
0:00
Lesson Overview
0:10
Lesson Overview
0:11
User Authentication
1:31
User Authentication
1:32
Authentication with Sessions
2:34
Authentication with Sessions
2:35
Four Steps in Authentication via Sessions
2:50
Using Sessions to Restrict Access
3:58
Using Sessions to Restrict Access
3:59
Coding Example: Restricted Access Area
4:47
Authentication Methods
5:54
Authentication Methods Overview
5:55
Coding Example: Authentication Methods
7:31
Logging Out
9:57
Logging Out
9:58
Coding Example: Log Out
10:47
Users Table
13:50
Users Table
13:51
Example: Creating a Users Table
15:08
Password Hashing
17:30
Password Hashing
17:31
PHP and MySQL Built-in Hash Functions: sha1 ( ) and md5 ( )
18:43
Coding Example: Password Hashing
19:27
Required Homework
24:41
Required Homework: 1 - 4
24:42
Web Application Development

14m 36s

Intro
0:00
Version 20.0 Overview
0:13
Version 20.0 Changes & Examples Part 1
0:14
Version 20.0 Changes & Examples Part 2
5:05
Version 20.0 Changes & Examples Part 3
7:29
Version 20.0 (cont.)
8:31
Version 20.0 Changes & Examples Part 4
8:32
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Web Application Development

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  • Intro 0:00
  • Version 12.0 Overview 0:12
    • Version 12.0 Changes Part I: Updating 'viewCart.php' & 'checkout.php'
    • Version 12.0 Changes Part II

Transcription: Web Application Development

Hello again, and welcome back to Educator.com's Advanced PHP with MySQL course.0000

In today's lesson, we are going to be continuing development of our web application.0005

And we are going to be incorporating what we learned in our last lesson regarding sessions.0008

In this lesson, we are going to go over one new version of our web application; it is going to be called version 12.0.0014

And what we are doing is converting the web application from using client-side sessions to manage our shopping cart.0019

And the way that worked is: we were sending cookies to the client that contained all of the information about a shopping cart.0028

For example, for each item we added to a cart, we would create a cookie with that item number,0035

and then set the cookie's value to the quantity of that item in the cart,0039

and send that cookie to the user that would be stored on the client side.0043

And then, every time the user would go back to our website to view the cart or to add another item to the cart,0046

it would send all of these cookies back; and that is how we maintained the state of our shopping cart.0053

We maintained it on the client side, in what was essentially a client-side session.0057

Now, we are going to be converting over to using PHP's built-in server-side session functionality.0062

Again, we are just converting using client-side cookies to storing all of our shopping cart state on the server side.0070

What we have done before: if we look at our previous version of viewCart.php,0078

in the beginning of the script, what we would do is load our shopping cart object,0084

or build our shopping cart object up, using this buildCartFromCookies method.0091

And we would pass it the _COOKIE superglobal, which would contain any cookies that we had previously set for items we would add to our cart.0095

This function, as we learned before, would go through, look at all the information in these cookies, and build our up our shopping cart object.0102

Then, what we could do is: if we needed to add an item to the cart, what we would do would be0109

to make an update to the cookie for that particular item.0114

We would increase its quantity by 1; or if it was a new item, then we would just set a brand-new cookie for it with the value equal to 1.0117

In addition, if we wanted to remove an item from a shopping cart,0126

we would have to set the cookie for that particular item, using the item ID, and set it to expire in the past.0129

And that would essentially delete that cookie, so that the next time the user views your page, it doesn't get sent back to our web server.0138

And therefore, the server doesn't know that that item is in the cart anymore.0144

That is how we removed an item from a cart.0148

Well, now what we have done in our new viewCart.php is: we are making use of sessions to store this information, and it really simplifies things a lot.0154

In our viewCart.php, the first thing that we do in any page where we use sessions is:0164

we call our session_start method, which is going to generate a new session and a new session ID,0167

if one has not already been created--if no session ID cookie was passed to the server.0174

If not--if it is a continued session--what it is going to do is look at the cookie passed by the user,0181

look up the data associated with that session ID, and load it into the session variable.0189

What we can see here is that the way we load our cart method now--rather than using the buildCartFromCookies,0195

we simply test if the session variable cart exists, using the isset construct,0201

which means that we have previously had a Cart object in our session.0207

And I should also mention: the way we implement our shopping cart using PHP sessions is:0212

we store a shopping cart object in the session array; it is a Cart object, and it has the name cart.0219

This is testing to see, "Does this cart session variable exist?" (which is a Cart object).0228

"If so, load it from session into this cart variable; if not, just create a new, empty Cart object."0233

And then, what we do is: whereas before we were looking at cookies...if we wanted to add an item,0242

we would have to set a new cookie that would set it with a quantity incremented by 1.0249

If we wanted to remove an item, we would have to call the setCookie method and set the cookie for a particular item to the past.0254

Now, what we are doing is simply using the cart's built-in methods to add items to and remove items from the cart.0260

Here, we have the addItem object method and the removeItem object method.0267

And we use those to update our cart, and then what we can do is: to save the cart between sessions,0271

rather than sending cookies back to the user with all of this information,0277

we just save this Cart object that we have updated to our session, using the _SESSION superglobal.0281

So now, this updated cart will be added to the session.0290

The next time that we view a page on our website that calls session_start, we are going to have access to that cart.0293

And in particular, it is going to be checkout.php.0299

What we have done, as is mentioned, is: in viewCart.php, we used the object methods of our Cart object0306

to update a shopping cart, as opposed to updating the cart with setCookie calls.0312

And then, we save our shopping cart object to a session variable named cart.0317

Now, what that is going to do is: we also have updated checkout.php so that, when it calls session_start0323

at the beginning of that page, it is going to have access to this shopping cart that was saved in viewCart.0330

So, let's say we have added a couple of items to our shopping cart.0335

When we go to checkout.php, it is going to be able to load that shopping cart object from the session, and then successfully process the order.0338

If we take a look at, for example, our old checkout.php, what it did was the same thing that our viewCart.php did.0346

It would look at all the cookies sent over from a client that contains information about a shopping cart,0354

and build up that shopping cart, and then it would go ahead and process the order.0359

And one of the things that it would do was: after the order was completed, it would go through0363

and specifically delete each cookie for each item that was in the shopping cart by manually calling this setCookie method--0367

which was somewhat tedious; and so, we are going to see that that is much simplified in our newer version.0375

Now, when we complete an order, and we want to empty the shopping cart,0381

instead of having to unset all of these cookies, what we are going to do is just unset a session variable.0385

If we look at our new checkout.php, we can see that we call session_start at the beginning,0390

which is going to give us access to this _SESSION superglobal.0394

We are going to test to see if the cart session variable exists (which would be a Cart object).0398

If it does, we load it from the _SESSION superglobal into cart; if not, we create a new Cart object.0406

Then, we simply perform a test that says, "As long as the cart is not empty, then we are going to process it."0411

"If not, we are going to output an error that says your cart is empty," because what that means is:0415

if there was no cart that was previously set up for the session, it means that there were no items in the shopping cart.0424

And so, that is how we test for that.0429

Once we have set that cart variable to the shopping cart object from our session,0433

we go ahead and follow through with completing the order, as we had done before.0439

The one difference is that now, when we empty the shopping cart after an order is successfully completed,0444

as opposed to looping over the _COOKIE superglobal and deleting all the cookies for our items in the shopping cart,0450

we are simply going to unset the session variable cart.0455

What that is going to do is delete it from the session.0459

So now, when we go back and view our cart page, specifically what would happen is:0463

at the beginning of viewCart, it would try to load the cart from the session; it wouldn't exist, and so it would have an empty cart.0468

And then, when we have an empty cart, it would show a particular message.0478

Let's go ahead and take a look at how this works in action.0481

If we go to Electronics, for example, and let's add a television to our cart:0486

well, when we go to viewCart.php, what it is going to do is start a session.0494

We can see that it sets a session cookie, PHPSESSID, and that is what we are going to pass0497

back and forth between the client and the server in order to maintain state.0501

And then, let's add another item, a Sporting Goods product--let's add a basketball to our shopping cart.0506

We go to Add to Cart; now, what we can see is that our shopping cart contains both items.0513

The way it is able to do that is that, when that new viewCart page is loaded, it starts a session,0518

and it is able to go and look up this cart session variable, load the cart information,0527

and then viewCart knows how to output that cart to display the items in the cart.0533

So now, let's say we want to go ahead and check out.0540

We'll just enter some sample information.0544

And so, now what has happened is: this checkout.php knows about our cart, and that is how it is able to calculate the total,0556

because at the beginning of checkout.php, it loads the cart from the session.0565

So, that is how it is able to calculate the cart total here, which we are outputting for the user.0570

And when we submit the form, we can see that the order was successfully completed.0575

It has access to the cart total.0586

And one thing to notice is that we can see, when we submitted this form, that our PHPSESSID cookie still exists.0589

We have ended the session, but our session cookie still exists.0601

That said, we have unset our shopping cart object.0605

So, if we go back to viewCart.php, it is going to show that our shopping cart is empty.0612

That shows that we have eliminated the shopping cart data from our session.0618

But again, if we look at this page, we can see that we are still passing this PHP session cookie from the user.0623

So, essentially, we have not effectively ended this session.0630

We have deleted our session data, but as far as our web server is concerned, every time we are requesting a page,0633

it is still considered part of the same session, because we are passing this cookie back and forth.0639

And that is something that we are going to address in our next lesson,0643

which is going to talk about how to properly end and destroy a session,0646

so that when you are done and your shopping cart is empty, that session is completely over.0650

That ends today's lesson; thank you for watching Educator.com, and I look forward to seeing you next time.0656

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