PHP Cookies and Sessions Flood protection using cookies Tutorial

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Tutorial: PHP Cookies and Sessions Flood protection using cookies Tutorial

Cookies are an integral part of any good website, learn one application of them here.

Tutorial Details:

PHP Tutorials

This is a tutorial on cookies. I could tell you a joke how cookies are good to use and eat, but I will save you the pain and let you read the tutorial...
This script prevents users (most of them anyway) from flooding (posting excessive useless messages) your shout box, poll, comments area, forum etc. To do this, we have to use cookies, a valuable part of php and something you will use often in your future programming endeavours :)

First off, let's look at the setcookie() function.
setcookie("the cookies name","the cookies value",time()+how long the cookie will last);
Look's pretty simple? It is :) So now we have had a look at that, on with the code.

Start off with Then you need to write this:
if($sentmessage == '5'){
echo "You have already posted 5 times!";
exit();

What that does is checks to see if the user has already posted 5 times, and if he/she has, echo something at them and exit the script.
Now, here is where the cookie comes in...
}else{
$num = $sentmessage + 1;
setcookie("sentmessage","$num",time()+600);
}

Read Tutorial at: Click here to view the tutorial

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