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In this tutorial, we’ll take a look at implementing this in our CodeIgniter application.

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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.

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If you ever need to strip out the HTML or PHP tags from data, PHP gives you a way to do this via the strip_tags() function.

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Today, we are going to learn the basics behind hashing and what it takes to protect passwords in your web applications.

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Simple random password generator in PHP.

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If everybody seems to have a Facebook profile, why not add a one-click user registration? I’ll show you how to do that today.

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One crucial part of PHP development practice is always keeping in mind that security is not something you can simply buy off the shelf at your local convenient store.

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Data security is important and often undervalued by designers, developers, and clients alike. Since PHP 5.2.0, data sanitization and validation has been made significantly easier with the introduction of data filtering. Today, we're going to take a closer look at these filters, how to use them, and build a few custom functions.

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Build Your Own Captcha and Contact Form

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Secure Your Forms with Form Keys

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29 PHP Security Tutorials

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