December 2013
Intermediate to advanced
306 pages
6h 26m
English
Content preview from CodeIgniter 2 CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Generating thumbnails – resizing
Obviously having the functionality to generate thumbnails is a useful thing to do. Most web developers have had the requirement to create thumbnails of images they are currently uploading, or images previously uploaded, from time to time. Usually that processing would have been done directly with PHP or whichever programming language you may have been using; but CodeIgniter gives you the ability to create thumbnails easily, and this is how you do it.
Getting ready
We're going to use a library of our own for this. If you haven't already done so (in the other recipes in this chapter), create the following file:
/path/to/codeigniter/application/libraries/image_manip.php
- Ensure that the
Image_maniplibrary class is defined ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.