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Author Topic: Creating a simple "Guess the Number" game  (Read 1187 times)
Zeggy
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« on: December 23, 2006, 03:09:53 PM »
Here's a tutorial I wrote on how to create a Guess the Number game.
It's aimed for those who know basic PHP, and are still new to it. I've basically taken almost every line of code and explained what it does and why.
Please leave some comments Smiley

For the tutorial, please see the attachments.
« Last Edit: December 23, 2006, 03:16:15 PM by Zeggy » Logged
Karlos
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« Reply #1 on: March 08, 2009, 12:34:20 PM »
Code:
<?php
$Message = '';
if (isset($_POST['Submit'])) 
{
 $Guess = trim(intval($_POST['guess']));
 $Random = mt_rand('1', '100');

 if ($Guess > '100' OR $Guess < '1')
 $Message = 'Numbers Between 1-100 Only Please!';
 else if (!ctype_digit($Guess))
 $Message = 'No Letters Fool!';
 else if ($Guess == $Random)
 $Message = 'Congratulations!<br /> You Guessed The Correct Number: '.$Guess;
 else
 $Message = 'Unlucky!<br /> You Guessed: '.$Guess.'! The Number was '.$Random;
}

echo '
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Guess The Number!</title>
<style type="text/css">
body {
background-color : #131c20;
font-family : Arial;
font-size : 15px;
color : #92aab8;
width : 405px;
}

div.LBox {
float : left;
width : 50px;
padding-right : 5px;
}

div.RBox {
clear : right;
}

img {
border : 0;
}
</style>
</head>
<body>
<div>
<h3>Guess The Number!</h3>
Numbers Are Between 1-100.<br /><br />';
 echo sprintf("%s", $Message);
 echo '
<br /><br />';
 echo sprintf("<form method='post' action='%s'>", $_SERVER['PHP_SELF']);
 echo '
<div class="LBox">Guess:</div>
<div class="RBox"><input type="text" name="guess" /><br /></div>

<div class="LBox">&nbsp;</div>
<div class="RBox"><input type="submit" value="Guess!" name="Submit" /></div>
</form>
<br />
<br />
<a href="http://validator.w3.org/check?uri=referer">
<img src="http://www.w3.org/Icons/valid-xhtml10-blue" alt="Valid XHTML 1.0 Strict" style="width:88px;height:31px" />
</a>
<a href="http://jigsaw.w3.org/css-validator/check/referer">
<img src="http://jigsaw.w3.org/css-validator/images/vcss-blue" alt="Valid CSS!" style="width:88px;height:31px" />
</a>
</div>
</body>
</html>
';

?>

Bug Found & Fixed: Allowed You To Put A Number Then A Letter, Script Updated!

Functions I used:
« Last Edit: March 08, 2009, 01:22:48 PM by Karlos » Logged

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Crazy-T
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« Reply #2 on: October 05, 2009, 03:33:29 AM »
Quote
Functions I used
Quote
echo()

As from the php Manual.
echo() is not actually a function Smiley
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« Reply #3 on: October 05, 2009, 06:27:01 AM »
Like it's essential Tongue
neither are isset, if/elseif/else, all are language constructs but in this case it's rather playing with words Wink
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« Reply #4 on: October 05, 2009, 06:34:02 AM »
Quote from: Nox on October 05, 2009, 06:27:01 AM
Like it's essential Tongue
neither are isset, if/elseif/else, all are language constructs but in this case it's rather playing with words Wink
Haha lol i knew someone would post more :L
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