<back

Code:

<?php

if (isset($_POST['submit'])) { // has the "SUBMIT" button been pressed?
   // playing existing game - retrieve previous values
   $mystery    = $_POST['mystery'];
   $guess      = $_POST['guess'];
   $up         = $_POST['up'];
   $down       = $_POST['down'];
   $numguesses = $_POST['numguesses'];
   
   $numguesses++;  // consume a guess for this turn
   
   // check how well they did this turn
   if ($guess < $mystery) {
            //too low
            $feedback = "You guessed TOO LOW";
            $down = $guess;
   } else if ($guess > $mystery) {
           //too high
           $feedback = "You guessed TOO HIGH";
           $up = $guess;
   } else {
           //just right
           $feedback = "You guessed JUST RIGHT. It took " . $numguesses . " attempts.";
   }
   
   } else if (isset($_POST['savename'])) {
           //score needs to be written to table
           $mystery = "";
           $guess = "";
           $numguesses = $_POST['numguesses'];
           $name=$_POST['name'];
           $date= date('Y-m-d');

 
           mysql_connect('localhost','SNumber','password');
           mysql_select_db('Snumber');
           mysql_query('insert into hiscores values ("'.$name.'","'.$numguesses.'","'.$date.'")');
           $feedback = "data saved"; 
   
   } else  {

 // new game - set up values ready to play
   $mystery = rand(0,100);   // number to be guessed
   $up = 100;                // upper boundary of guess range
   $down = 0;                // lower boundary of guess range
   $guess = "";              // initial value of guess
   $numguesses = 0;          // tally for guessses taken
   $feedback = "Let's PLAY!";
   }
   ?>
<form name="takeaguess" method="post" action="part5.php">

<?php

if ($guess != $mystery) {
   //still playing, so display in-game controls
   ?>

<input name="guess" type="text" value="<?php echo $guess; ?>" />
<input name="mystery" type="hidden" value="<?php echo $mystery; ?>"  />
<input name="up" type="hidden" value="<?php echo $up; ?>"  />
<input name="down" type="hidden" value="<?php echo $down; ?>"  />
<input name="numguesses" type="hidden" value="<?php echo $numguesses; ?>"  />
<input name="submit" type="submit" value="Take A Guess" />

<?php
} else {
   // must have won game, so do hiscores table here instead.

   //connect
   mysql_connect('localhost','Snumber','password');
   mysql_select_db('Snumber');
   
   //get existing data
   $result = mysql_query('select * from hiscores order by score asc'); 

   //display with in-table data insertion point

   print("<table>
            <tr><th>Rank</th><th>Name</th><th>Score</th><th>Date</th></tr>");
   $i = 0;
   $printed = 0;
   while ($row = mysql_fetch_array($result))  {
       //grabs rows with names column headings
       $i++;
       if (($row['score'] >= $numguesses)&&($printed==0)) {
           // locate where YOUR name will be added on the list
           printf('<tr><td>%s</td><td><input type="text" name="name" value="type your name here"></td>
                       <td>%s</td><td>%s</td></tr>',$i,$numguesses,date('Y-m-d'));
           $printed = 1;
       }
       //output the other rows
       printf('<tr><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>',
               $i,$row['name'],$row['score'],$row['date']);
   }
   
   print('</table>');
   printf('<input name="numguesses" type="hidden" value="%s" >',$numguesses);
   print('<input type="submit" name="savename" value="Save Your Score">');
   
}

?>

</form>

<?php
   echo "<br>" . $feedback;
   if ($guess!=$mystery) 
   echo "<br>The Mystery number lies between ". $up . " and ". $down . "<br>";
   ?>

<form name="newgame" method="post" action="part5.php">
<input type="submit" name="newgame" value="Start Over" />
</form>