- CodeIgniter 2 Cookbook
- Table of Contents
- CodeIgniter 2 Cookbook
- Credits
- About the Author
- About the Reviewers
- www.PacktPub.com
- Preface
- 1. CodeIgniter Basics
- Introduction
- Downloading and installing CodeIgniter
- Basic configuration options
- 2. User Management
- 3. Creating E-commerce Features
- 4. Email, HTML Table, and Text Libraries
- Introduction
- Sending plain e-mails with CodeIgniter Email
- Sending HTML e-mails with CodeIgniter Email
- Sending attachments with CodeIgniter Email
- Sending bulk e-mails with CodeIgniter Email
- Using an HTML table with DataTable
- Using an HTML table with DataTable and a database
- Using word_limiter() for table output
- Using word_censor() for cleaning input
- 5. Managing Data In and Out
- Introduction
- Sending different data to multiple views
- Validating user input
- Preparing user input
- Sticky form elements in CodeIgniter
- Displaying errors next to form items
- Reading files from the filesystem
- Writing files to the filesystem
- Creating and downloading ZIP files
- Uploading files with CodeIgniter
- Creating and using validation callbacks
- Using the language class
- Confirming cookie acceptance from the user
- 6. Working with Databases
- Introduction
- Configuring CodeIgniter for databases
- Connecting to multiple databases
- Active Record – create (insert)
- Active Record – read (select)
- Active Record – update
- ActiveRecord – delete
- Looping through the database results
- Counting the number of returned results with num_rows()
- Counting the number of returned results with count_all_results()
- Query binding
- Finding the last insert id
- Finding the last database query
- Using CodeIgniter database migrations
- Moving to the current version with current()
- Rolling back/stepping forward with version()
- Generating an XML from a database result
- Generating a CSV from a database result
- 7. Creating a Secure User Environment
- Using HTTPS with CodeIgniter
- 8. Calendaring, Right Place, and Right Time
- 9. Extending the Core
- Introduction
- Using CodeIgniter Sparks
- Creating PDFs with the DOMPDF Spark
- Creating Hooks in CodeIgniter
- Clearing dead sessions from the database
- Extending your controllers
- Uploading a file with FTP
- Creating libraries and giving them access to CodeIgniter resources
- Making your own configuration files and using the settings
- Using the language class – switching language on the go
- 10. Working with Images
- 11. SEO, Caching, and Logging
- Using CodeIgniter caching
- Logging errors with CodeIgniter
- Benchmarking your application
- Index
In this chapter, you will learn:
- Installing ImageMagick on MAC with Cactuslab
- Uploading images with CodeIgniter
- Generating thumbnails – resizing
- Rotating images
- Cropping images
- Adding watermarks with text
- Adding watermarks with image overlays
- Submitting a form with CodeIgniter CAPTCHA
CodeIgniter has a useful array of tools to help you manipulate and amend images in the form of the image manipulation class; it's not Photoshop, but it's good enough for most of what you'll need to do in your day-to-day web development. It has functionalities to help you upload images, resize them, create thumbnails, add watermarks, crop, and rotate—all very useful things and exactly what you'll be after in a development environment. Here's how to do it.
-
No Comment
..................Content has been hidden....................
You can't read the all page of ebook, please click here login for view all page.