How can PHP scripts be modified to ensure that user logins are case-sensitive?

To ensure that user logins are case-sensitive in PHP scripts, you can modify the login process to compare the input username and password with the stored values in a case-sensitive manner. This can be achieved by using the strcmp function with the === operator to compare the strings without case-insensitivity. 

// Sample code snippet to demonstrate case-sensitive user login check
$username = "JohnDoe";
$password = "Password123";

$inputUsername = "johndoe";
$inputPassword = "password123";

if ($username === $inputUsername && $password === $inputPassword) {
    echo "Login successful!";
} else {
    echo "Invalid username or password.";
}

Keywords

PHP case-sensitive user logins password_verify password_hash

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