whats wrong with this login script?

I’m getting a parse error…..

“Parse error: parse error, unexpected T_VARIABLE in D:LabDAQ Websiteintranetuserslogin.php on line 8
“

which is “$username = $_POST[‘username’];”

[code=php]<?php
include ( ‘includes/functions.inc’ );
include ( ‘includes/config.inc’ );
include ( ‘includes/sessmgmt.inc’ );
session_start();
dbConnect ()

$username = $_POST[‘username’];
$password = $_POST[‘password’];

$db = dbconnect() or die (“Error connecting to database.”);
$sql = “select * from security where user_name=’$username’ AND password=’$password'”;

$result = dbexecute($sql);

$rowCheck = dbexecute($result);
if($rowCheck > 0){
while($row = dbexecute($result)){

session_start();
session_register(‘username’);
echo ‘Success!’;
header( “Location: index.php” );
}
}
else {
echo ‘Incorrect login name or password. Please try again.’;
}
}

?> [/code]

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