There are a number of ways to profile and monitor the performance of PHP code in a development environment, but once it’s been let loose on a production server its extremely difficult to know what’s going on when your app is getting accessed by your users.
In March 2009, Facebook released XHProf, a function level profiler that allows you to identify bottlenecks in your application. And it runs on a production server with little overhead.
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Learn how to use CodeIgniter and the jQuery library to create a slick, AJAX-utilizing management page for a typical “Users” table, and discover some of the awesome features of jQuery UI.
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In this lesson, we will create a CodeIgniter library that allows us to generate data grids automatically for managing any database table. I’ll explain each step required to create this class; so you’ll likely learn some new OOP techniques/concepts in the process!
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Uploading files asnychronously can be a pain at the best of times, but when coupled with CodeIgniter, it can be a particularly frustrating experience. I finally found a way that not only works consistently, but keeps to the MVC pattern. Read on to find out how!
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With the recent string of high profile break-ins (hacks) at Sony and other companies, it’s time you took a second look at the security of your website. Two-factor authentication is a step in the right direction to securing your website from attackers. In this tutorial, we’ll take a look at implementing this in our CodeIgniter application.
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I was recently asked about how to use Compass in an existing CodeIgniter project. It seems that the emailer was under the impression that Compass was made for Ruby and Rails. But that’s not the case at all!
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In this in depth “screencast of the week,” I’ll take you through the process of building an authentication system with CodeIgniter. Need to restrict access to certain parts of your website to only those who’ve logged in? This tutorial will teach you how!
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In today’s tutorial, we will learn how to painlessly protect your CodeIgniter (pre 2.0) application against Cross-Site Request Forgery attacks. The library we’ll be creating today will automate all of the protection mechanisms, making your site stronger and more secure.
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In this episode of CodeIgniter from Scratch, we will implement search features, and display the results pages without the use of query strings. You can use these methods to keep your URL’s clean, and continue using the uri segments convention of the CodeIgniter framework.
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CodeIgniter is a simple and lightweight PHP framework used to create powerful web applications. Today, we are going to do something nifty: we’ll combine user names and subdomains to make for a more cohesive user experience.
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