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PHPTips and Tutorials → Security

Basic string encoding/decoding functions

These are basic string encoding/decoding functions I developed for use in flat-file databases. They offer limited security to protect sensitive data from being viewed.
  • Platforms
    • Linux,
    • Windows
  • Licenses
    • Freeware
DETAILS

Creating a basic bad word filter in PHP

This tutorial will show you how to create a basic bad word filter in PHP.
  • Platforms
    • Linux
  • Licenses
    • Freeware
DETAILS

PHP CAPTCHA Tutorial

Captcha stands for &"Completely Automated Public Turing test to tell Computers and Humans Apart&" and is used for telling humans and computers apart. Here is a tutorial that will teach you how to create your own PHP CAPTCHA.
  • Platforms
    • Linux
  • Licenses
    • Freeware
DETAILS

Minimal Sanitation Techniques

This tutorial will show you sanitation techiques used by the pros so that your scripts will be secure, and resistant to any attacks.
  • Platforms
    • Linux,
    • Windows,
    • FreeBSD,
    • Mac OSX,
    • Sun Solaris
  • Licenses
    • Freeware
DETAILS

Security in your online applications

Protect yourself, your server and your scripts. Also covers session fixation and SQL injection.
  • Platforms
    • Linux
  • Licenses
    • Freeware
DETAILS

PHP random password generator

PHP password generator is a complete, working password generation function for PHP. It allows the developer to customize the password: set its length and strength.
  • Platforms
    • Linux
  • Licenses
    • Freeware
DETAILS

How to Spam-Proofing Your Website

Spam-Proofing Your Website Anyone who operates their own website knows that you need to provide forms in your site for visitors to contact you. The big challenge is providing easy form access to your visitors, without letting SPAM flood your em...
  • Platforms
    • Linux,
    • Windows,
    • FreeBSD,
    • Mac OSX,
    • Sun Solaris
  • Licenses
    • Other Free / Open Source License
DETAILS

Developing rock-solid code in PHP

This tutorial is intended for both amateur and professional PHP programmers who want to design and write quality functions. To complete this tutorial, you must have a basic level of working knowledge with PHP, and know how to define functions.This wi...
  • Platforms
    • Linux,
    • Windows,
    • FreeBSD,
    • Mac OSX,
    • Sun Solaris
  • Licenses
    • Freeware
DETAILS

PHP regular expressions examples

Various PHP regular expression examples to help your application validate, compare, compute or decide
  • Platforms
    • Linux
  • Licenses
    • Freeware
DETAILS

Redirect http:// to https://

Redirection of addresses to your secure pages(SSL). This tutorial will guide to redirect user request from http:// to your SSL HTTPS:// with no scripting to pages. One script and it works for all your pages.
  • Platforms
    • Linux,
    • Windows,
    • FreeBSD
  • Licenses
    • Freeware
DETAILS

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