Which One To Use ? mysqli_stmt_fetch Or mysqli_fetch_array ?

sunny_pro

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Jun 18, 2017
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Php Folks,

You will notice that, I have a question on my comments where I show confusion on how to proceed forward. I ask which 1 of the following 3 I should use which will suit the context of my code well.
I commented-out the ones that I personally thought did not fit into my codes' context. But, I need your professional opinion.

//Which of the following to use and why that one over the other 2 ?
$row = mysqli_stmt_fetch($stmt); //Which line to use ? This line or 2 of the next 2 ?
//$row = mysqli_fetch_array($query, MYSQLI_ASSOC); //Which line to use ? This line or the one above this lone or the one below this line ?
//$row = mysqli_fetch_array($result, MYSQLI_ASSOC);



It is a Log In Page script where the users are given a choice to either login to their accounts by typing their "username" or "email".

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.
		$stmt = mysqli_stmt_init($conn);
		
        if(strpos("$username_or_email", "@"))
		{
			$email = $username_or_email;
			$username = "";
			
			$query = "SELECT ids, usernames, passwords, emails, accounts_activations_statuses FROM users WHERE emails = ?";
			$stmt = mysqli_prepare($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;
			$email = "";
			$query = "SELECT ids, usernames, passwords, emails, accounts_activations_statuses FROM users WHERE usernames = ?";
			$stmt = mysqli_prepare($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 of the following 3 to use and why that one over the other 2 ?
		$row = mysqli_stmt_fetch($stmt); //Which line to use ? This line or 2 of the next 2 ?
		//$row = mysqli_fetch_array($query, MYSQLI_ASSOC); //Which line to use ? This line or the one above this lone or the one below this line ?
		//$row = mysqli_fetch_array($result, MYSQLI_ASSOC);
		
		mysqli_stmt_close($stmt);
		
		printf("%s (%s)\n",$row["usernames"],$row["passwords"]);
		
		if ($result == false)
		{
			echo "No result!";// For debugging purpose!
			exit();
		}
		elseif ($row['accounts_activations_statuses'] == '0')
		{
			{
				echo "You have not activated your account yet! Check your email for instructions on how to activate it. 
				Check your spam folder if you don't find an email from us.";
				exit();
			}
		}
		else
		{
		
			if (password_verify($password, $db_password))		
			{
				echo "IF triggered for password_verify! password_verify ok"; // For debugging purpose!
			
			$_SESSION["user"] = $username;
			header("location:home.php?user=$username");				
		}
		else
		{
			echo "Incorrect User Credentials !';<br>";
			exit();
		}
	}

	
?>

<!DOCTYPE html>
<html>
<head>
<title><?php $site_name?> Member Login Page</title>
  <meta charset="utf-8">
</head>
<body>
<form method="post" action="">
	<h3><?= $site_name ?> Member Login Form</h3>
	<fieldset>
		<label for="login_name">Username/Email:</label>
		<input type="text" name="login_username_or_email" id="login_name" value="">
		<br>
		<label for="login_pass">Password:</label>
		<input type="password" name="login_password" id="login_pass" value="">
	</fieldset>
	<div class="submitsAndHiddens">
		<label for="login_remember">Remember Login Details:</label>
		<input type="checkbox" name="login_remember" />
		<br>
		<button type="submit">Login</button>
		<br>
		<a href="login_password_reset.php">Forgot your Password ? Reset it here!</a>
		<br>
		<a href="register.php">Register here!</a>
	</div>
</form>

</body>
</html>
No one know answer ?

Folks,

Do you mind reviewing my code in my original post and edit wherever you deem editing is necessary ?
I prefer versions here on one you use the mysqli_stmt_fetch and on the other mysqli_fetch_array.
That way, we newbies learn both from you with your examples.
 
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