Untitled

<?php

session_start();

if( isset($_POST['user_id'])){

    header('location: members_1.php');

}

$user = [

    'id' => '16',
    'name' => 'Ivan',
    'email' => 'mr@gmail.com',
    'password' => '12345',

];

$error = '';


if (isset($_POST['submit'])) {
    $email = !empty($_POST['email']) ? trim($_POST['email']) : '';
    $password = !empty($_POST['password']) ? trim($_POST['password']) : '';
    $emailRegex = "/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/i";

    if (!$email || !preg_match($emailRegex, $email)) {
        $error = ' *  Email field must contain a valid email address';
    }elseif (! $password) {
        $error = ' *  Password field must contain a valid password';
    } elseif($user['email'] != $email || $user['password'] != $password){
        $error = ' * Email or Password is not valid';
    }else{

        if(isset($_POST['rem-me'])){

            setcookie(session_name(), session_id(), time() + 60*60*24*365, '/');

        }

        $_SESSION['user_id'] = $user['id'];
        $_SESSION['user_name'] = $user['name'];
        header('location: members_1.php');
    }
    }

function old($field_name){
    return isset($_POST[$field_name]) ? $_POST[$field_name] : '';
}

?>
<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>Sign in page</title>
        <style>
            span.error {
                color: #797979;
                font-family: fantasy;
            }
            .form-style-8{
    font-family: 'Open Sans Condensed', arial, sans;
    width: 500px;
    padding: 30px;
    background: #FFFFFF;
    margin: 50px auto;
    box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.22);
    -moz-box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.22);
    -webkit-box-shadow:  0px 0px 15px rgba(0, 0, 0, 0.22);

}
.form-style-8 h1{
    background: #4D4D4D;
    text-transform: uppercase;
    font-family: 'Open Sans Condensed', sans-serif;
    color: #797979;
    font-size: 18px;
    font-weight: 100;
    padding: 20px;
    margin: -30px -30px 30px -30px;
}
.form-style-8 input[type="text"],
.form-style-8 input[type="date"],
.form-style-8 input[type="datetime"],
.form-style-8 input[type="email"],
.form-style-8 input[type="number"],
.form-style-8 input[type="search"],
.form-style-8 input[type="time"],
.form-style-8 input[type="url"],
.form-style-8 input[type="password"],
.form-style-8 textarea,
.form-style-8 select
{
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    outline: none;
    display: block;
    width: 100%;
    padding: 7px;
    border: none;
    border-bottom: 1px solid #ddd;
    background: transparent;
    margin-bottom: 10px;
    font: 16px Arial, Helvetica, sans-serif;
    height: 45px;
}
.form-style-8 textarea{
    resize:none;
    overflow: hidden;
}
.form-style-8 input[type="button"],
.form-style-8 input[type="submit"]{
    -moz-box-shadow: inset 0px 1px 0px 0px #45D6D6;
    -webkit-box-shadow: inset 0px 1px 0px 0px #45D6D6;
    box-shadow: inset 0px 1px 0px 0px #45D6D6;
    background-color: #2CBBBB;
    border: 1px solid #27A0A0;
    display: inline-block;
    cursor: pointer;
    color: #FFFFFF;
    font-family: 'Open Sans Condensed', sans-serif;
    font-size: 14px;
    padding: 8px 18px;
    text-decoration: none;
    text-transform: uppercase;
}
.form-style-8 input[type="button"]:hover,
.form-style-8 input[type="submit"]:hover {
    background:linear-gradient(to bottom, #34CACA 5%, #30C9C9 100%);
    background-color:#34CACA;
}

        </style>
    </head>
    <body>
        <div class="form-style-8">
        <h1>Sign In</h1>
        <form action="" method="POST">
            <div class="form-set">
                <label for="email">Email:</label>
                <input type="text" name="email" id="email" value="<?= old('email') ?>">
            </div>
            <br><br>
            <div class="form-set">
                <label for="password">Password:</label>
                <input type="password" name="password" id="password">
            </div>
            <br><br>
            <input type="checkbox" name="rem-me" id="rem-me" value="1" checked="checked">
            <label for="rem-me">Remember me</label><br><br>
            <input type="submit" name="submit" value="Sign In">
            <span class="error"><?= $error; ?></span>
        </form>
        </div>
    </body>
    </body>
</html>