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Thread: Help with User Logins

  1. #1
    Join Date
    Dec 2011

    Help with User Logins

    I'm looking at various resources in order to understand how to create user logins for a website, but every time I try something goes wrong. Specifically...well below is my code, where specifically this line "$numrows = mysql_num_rows($query);" gives me the error "Warning: mysqli_stmt_num_rows() expects parameter 1 to be mysqli_stmt, string given" and I have no clue how to fix this. If someone could help it'd be greatly appreciated. Connection to the database works fine, it's that one line though that gives me grief.

    $myusername = $_POST['username'];
    	$mypassword = $_POST['pass'];
    	if ($myusername && $mypassword) {
    	$connection = @new mysqli($host, $username, $password, $db_name);
    	if ($connection->connect_error) {
    		die('Connect Error' . $connection->connect_error);
    	} else {
    		echo 'Successfully Connected to the Database';
    		$query = "SELECT * FROM logins WHERE username = '$username'";
    		$numrows = mysql_num_rows($query);
    		if ($numrows !=0) {
    			while($rows = mysql_fetch_assoc($query)) {
    				$db_username = $row['username'];
    				$db_password = $row['password'];
    			if ($myusername == $db_username && $mypassword == $db_password) {
    				echo "Login Successful";
    			} else {
    				echo "The username and/or password were incorrect";

  2. #2
    Join Date
    Jul 2003
    Lansdale, PA
    You forgot to run:

    PHP Code:
    $result mysql_query($query); 
    then call mysql_num_rows on $result.


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