Persistent Cookie Help Required!

sunny_pro

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Jun 18, 2017
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This is a login.php.

The user is given a choice to either input his/her Username & Password or Email & Password. In short, either log-in inputting your Username or your Email.

It is written in mysqli procedural. I have not learned pdo oop yet. I need help in the login.php to add the "Remember Me" feature using Cookies. I have googled but most tutorials teach to save the user password in the cookie! And that is a big NO! NO!
Therefore, I do not trust these tutorials any more. But, I trust the php folks here!
Can someone be the Great Samaritan here to show me an example code of how the cookie part should be coded in php ? You're welcome to not start from scratch but work on my work (login.php).
registration.php, logout.php and account_acivation.php finished. Those last 3 files are working fine. Working on the home.php now.


login.php

Code:
    <?php
 
    /*
    ERROR HANDLING
    */
    declare(strict_types=1);
    ini_set('display_errors', '1');
    ini_set('display_startup_errors', '1');
    error_reporting(E_ALL);
    mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
 
    include 'config.php';
 
    // check if user is already logged in
    if (is_logged() === true) 
    {
	    //Redirect user to homepage page after 5 seconds.
	    header("refresh:2;url=home.php");
	    exit; //
    }


    if (isset($_POST["login_username_or_email"]) && 
    isset($_POST["login_password"]))
	    {
		    $username_or_email = trim($_POST["login_username_or_email"]);
		    $password = $_POST["login_password"];		
        
		    //Select Username or Email to check against Mysql DB if they are 
            already registered or not.
				
            if(strpos("$username_or_email", "@"))
		    {
			    $email = $username_or_email;
						
			    $query = "SELECT ids, usernames, passwords, emails, 
                accounts_activations_statuses FROM users WHERE emails = ?";
			    $stmt = mysqli_stmt_init($conn);
			    $stmt = mysqli_prepare($conn, $query);			
			    mysqli_stmt_bind_param($stmt, 's', $email);
			    mysqli_stmt_execute($stmt);
		        //$result = mysqli_stmt_get_result($stmt); //Which line to use ? 
                This line or the next ?
			    $result = mysqli_stmt_bind_result($stmt, $db_id, $db_username, 
                $db_password, $db_email, $db_account_activation_status); // 
                Which line to use ? This line or the one above ?
		    }
		    else
		    {
			    $username = $username_or_email;
						
			    $query = "SELECT ids, usernames, passwords, emails, 
                accounts_activations_statuses FROM users WHERE usernames = ?";
			    $stmt = mysqli_stmt_init($conn);
			    $stmt = mysqli_prepare($conn, $query);
			    mysqli_stmt_bind_param($stmt, 's', $username);
			    mysqli_stmt_execute($stmt);
			    $result = mysqli_stmt_bind_result($stmt, $db_id, $db_username, 
                $db_password, $db_email, $db_account_activation_status); // 
                Which line to use ? This line or the one above ?
		    }
      	
		    $row = mysqli_stmt_fetch($stmt);		
		    mysqli_stmt_close($stmt);
		
		    if (!password_verify($password, $db_password))
		    {
			    echo "Incorrect User Credentials!';<br>";
			    exit();
		    }
		    else
		    {
			    $_SESSION["user"] = $db_username;			
			    header("location:home.php?user=$db_username");	
		    }
	    }	
    ?>
 
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