It’s right that spamming can be a huge problem. But you can prevent your site from being spammed by following several solutions such as giving the visitor a captcha field to fill in order to verify if he is human. Or by blocking the IP of the spammer with php if you know their IP. Today I will show you how to get started with reCAPTCHA. “reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows. Check out our paper in Science about it”.
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E-Books are one of the best solutions to learn any language from home. Also Video Tutorials are great too but you can’t learn about all the details perfectly. Today I have got some great free books about PHP. They are popular on the Internet but it’s good to share them with who hasn’t got them yet. And for sure the Official PHP Manual is the the best of them all.
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Sometimes you need to disallow a visitor to access your website. The most common reason for this is Spammers. Although there are several other solutions to block multiple IP addresses such as using Apache’s mod_rewrite which I am going to write about it soon. but today I am going to focus on the method of PHP.

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