Indie-Resource.com

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//check to make sure that character id actually belongs to player
					$result = mysqli_fetch_assoc(mysqli_query($db, "SELECT cname FROM playercharacter WHERE playercharacterid='$playercharacterid' and playerid='$playerid'"));

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<?php
$debug = true; // switch to false once you finished your game :)
define("DEBUG", $debug); // define a global usable DEBUG constant ( you can use it on all your pages after it is defined )
error_reporting(E_ALL); // tells PHP to report ALL errors possible ( notices, warnings, fatal errors et cetera )
ini_set('display_errors', $debug); // this command actually forces PHP to display them, what good is reporting if they`re not going to be displayed?
?>

<?php
	include 'connect.php';
	session_start();
	$exitScript = 0;
	$username = $_SESSION['name'];
	if(!$username) {
                       echo "could not get username";
	               exit;
	}
	$playerid = $_SESSION['playerid'];
	if(!$playerid) {
                       echo "could not get playerid";
	               exit;
	}
        $playercharacterid = $_GET['pcid'];
        if(!$playercharacterid) {
                       echo "could not get playercharacterid";
	               exit;
	       }
	if (!$_SESSION['name']) {
		$exitScript = 1;
	}

?>

			<?php 
				if ($exitScript == 0){

					//check to make sure that character id actually belongs to player
					$result = mysqli_fetch_assoc(mysqli_query($db, "SELECT cname FROM playercharacter WHERE playercharacterid='$playercharacterid' and playerid='$playerid'"));

 					if (!$result) {
						echo "There has been an error during your login. Character not found for your account. Please log in again.<br /><br />";
						$_SESSION = array();
						echo "<a href='index.php'>Log in</a>";
						exit();
					}

					//process successful player/character login
					if (!isset($_SESSION['playercharacterid'])) {
						$_SESSION = $playercharacterid;
					}

					echo "You have successfully logged in!<br /><br />";
					echo "<a href='index.php'>Welcome to Neohazard!</a>";
					
				} else {
					echo "You are not logged in. Please go back and log in.<br />";
					echo "<a href='index.php'>Home Page</a>";
				}
			?>
		</div>

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$_SESSION = $playercharacterid;

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$_SESSION['pcid'] = $playercharacterid;

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$playercharacterid = $_GET['pcid'];