CodeIgniter 2 Cookbook电子书

CodeIgniter 2 Cookbook

Table of Contents

CodeIgniter 2 Cookbook

Credits

About the Author

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers and more

Why Subscribe?

Free Access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. CodeIgniter Basics

Introduction

Downloading and installing CodeIgniter

How to do it...

Basic configuration options

How to do it...

How it works...

Managing CodeIgniter on different environments

How to do it...

How it works...

Managing database settings on different environments

How to do it...

How it works...

Common values

Other values

Securing the system files

How to do it...

How it works...

Removing index.php from the address bar using .htaccess

How to do it...

How it works...

Installing and using Sparks

How to do it...

How it works...

2. User Management

Introduction

Database schema

Viewing users

How to do it...

How it works...

Creating users

How to do it...

How it works...

Editing users

How to do it...

How it works...

Deleting users

How to do it…

How it works...

Generating passwords with CodeIgniter

Getting ready

How to do it...

How it works...

Generating passwords with CodeIgniter – the bare bones

How to do it...

Generating a hash

Comparing hashed values

How it works...

Forgot password? – resetting passwords with CodeIgniter

Getting ready

How to do it...

How it works...

3. Creating E-commerce Features

Introduction

Amending configuration settings to run sessions in a database

Getting ready

How to do it...

How it works…

Categories table

Products table

Creating a basic cart

How to do it...

How it works...

User browses the catalogue

User adds an item to the cart

User updates or removes items in the cart

Adding and searching by product categories

Getting ready

How to do it...

How it works...

Saving the cart to the database

How to do it...

How it works...

4. Email, HTML Table, and Text Libraries

Introduction

Sending plain e-mails with CodeIgniter Email

How to do it...

How it works...

Sending HTML e-mails with CodeIgniter Email

How to do it...

How it works...

Sending attachments with CodeIgniter Email

How to do it...

How it works...

Sending bulk e-mails with CodeIgniter Email

Getting ready

How to do it...

How it works...

Using an HTML table with DataTable

Getting ready

How to do it...

How it works...

Using an HTML table with DataTable and a database

Getting ready

How to do it...

How it works...

Using word_limiter() for table output

Getting ready

How to do it...

How it works...

Using word_censor() for cleaning input

Getting ready

How to do it...

How it works...

5. Managing Data In and Out

Introduction

Sending different data to multiple views

Getting ready

How to do it...

How it works...

Validating user input

Getting ready

How to do it...

How it works...

Preparing user input

How to do it...

Sticky form elements in CodeIgniter

Getting ready

How to do it...

How it works...

Displaying errors next to form items

How to do it...

How it works...

Reading files from the filesystem

Getting ready

How to do it...

How it works...

Writing files to the filesystem

How to do it...

How it works...

Creating and downloading ZIP files

How to do it...

How it works...

Uploading files with CodeIgniter

Getting ready

How to do it...

How it works...

There's more...

Creating and using validation callbacks

How to do it...

How it works...

Using the language class

Getting ready

How to do it...

How it works...

Confirming cookie acceptance from the user

Getting ready

How to do it...

How it works...

There’s more...

6. Working with Databases

Introduction

Configuring CodeIgniter for databases

How to do it...

How it works...

Connecting to multiple databases

Getting ready

How to do it...

How it works...

Active Record – create (insert)

Getting ready

How to do it...

How it works...

The public function create()

The public function create_batch()

Active Record – read (select)

Getting ready

How to do it...

How it works...

Active Record – update

Getting ready

How to do it...

How it works...

ActiveRecord – delete

Getting ready

How to do it...

How it works...

Looping through the database results

Getting ready

How to do it...

How it works...

Counting the number of returned results with num_rows()

How to do it...

How it works...

Counting the number of returned results with count_all_results()

How to do it...

Query binding

Getting ready

How to do it...

How it works

Finding the last insert id

How to do it...

How it works...

Finding the number of affected rows

How to do it...

How it works...

Finding the last database query

How to do it...

How it works...

Using CodeIgniter database migrations

Getting ready

How to do it...

Moving to the current version with current()

Getting ready

How to do it...

How it works...

Rolling back/stepping forward with version()

Getting ready

How to do it...

How it works...

Generating an XML from a database result

Getting ready

How to do it...

How it works...

Generating a CSV from a database result

Getting ready

How to do it...

Forcing download

How it works...

Saving to file

How it works...

There's more...

7. Creating a Secure User Environment

Introduction

Escaping user input

Getting ready

How to do it...

Globally

Individually

How it works...

Preventing cross-site request forgery

How to do it...

How it works...

Escaping data – for a database

Getting ready

How to do it...

How it works...

There's more...

Using HTTPS with CodeIgniter

Getting ready

How to do it...

How it works...

There's more...

Setting up HTTPS on localhost

8. Calendaring, Right Place, and Right Time

Introduction

Building a CodeIgniter Calendar helper with database results

Getting ready

How to do it…

How it works…

Building an appointment manager with Calendar Library

Getting ready

How to do it…

How it works…

The public function create()

The public function delete()

Creating a helper to work with a person's date of birth

How to do it…

How it works…

Working with fuzzy dates in CodeIgniter

How to do it…

How it works…

9. Extending the Core

Introduction

Using CodeIgniter Sparks

Getting ready

How to do it...

How it works...

Creating PDFs with the DOMPDF Spark

Getting ready

How to do it...

How it works...

Creating Hooks in CodeIgniter

Getting ready

How to do it...

Clearing dead sessions from the database

Getting ready

How to do it...

How it works...

Extending your controllers

How to do it...

How it works...

Uploading a file with FTP

Getting ready

How to do it...

How it works...

Creating libraries and giving them access to CodeIgniter resources

Getting ready

How to do it...

How it works...

Making your own configuration files and using the settings

How to do it...

How it works...

Using the language class – switching language on the go

Getting ready

How to do it...

How it works...

10. Working with Images

Introduction

Installing ImageMagick on MAC with Cactuslab

How to do it...

How it works...

Uploading images with CodeIgniter

How to do it...

How it works...

Generating thumbnails – resizing

Getting ready

How to do it...

How it works...

Rotating images

Getting ready

How to do it...

How it works...

Cropping images

Getting ready

How to do it...

How it works...

Potential errors

Adding watermarks with text

Getting ready

How to do it...

How it works...

Adding watermarks with image overlays

Getting ready

How to do it...

How it works...

Submitting a form with CodeIgniter CAPTCHA

Getting ready

How to do it...

How it works...

11. SEO, Caching, and Logging

Introduction

Using SEO-friendly URLs in CodeIgniter

How to do it...

How it works...

Using CodeIgniter caching

How to do it...

How it works...

Problems you may encounter

Logging errors with CodeIgniter

Getting ready

How to do it...

How it works...

Logging style

Benchmarking your application

Getting ready

How to do it...

How it works...

Index