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Anti-Spam Techniques In PHP, Part 2

This article is part of the series “Anti-Spam Techniques In PHP”. Anti-Spam Techniques In PHP. Read more about Anti-Spam Techniques In PHP...

Introduction

This short series of articles provides a few simple techniques for protecting yourself and your web site from spammers.

It does this from two perspectives:

This is the second article in the series, and covers the issue of protecting your web site from spammers.

In this article we cover a number of ways of overcoming spammers, including:

  1. CAPTCHA
  2. Manual approval (moderation)
  3. Text filters (blocking URLs)

In This Article