Login/Register for wordpress

functions.php

<?php
/***After Successful login redirects**/
//function redirect_user_on_role()
//{
//    global $current_user;
//    get_currentuserinfo();
//
//    //If login user role is Subscriber
//    if ($current_user->user_level == 0)
//    {
//        wp_redirect( home_url() ); exit;
//    }
//
//    //If login user role is Contributor
//    if ($current_user->user_level > 1)
//    {
//        wp_redirect( home_url() ); exit;
//    }
//
//    //If login user role is Editor
//    if ($current_user->user_level > 8)
//    {
//        wp_redirect( home_url() ); exit;
//    }
//}
//add_action('admin_init', 'redirect_user_on_role');

/*add action for member registration.............start..............*/
add_action( 'wp_ajax_create_user', 'it_create_user' );
add_action( 'wp_ajax_nopriv_create_user', 'it_create_user' );
function it_create_user() {
    global $wpdb;
    $from_name = get_bloginfo('name');
    $from_email = get_bloginfo('admin_email');

    // Handle request then generate response using WP_Ajax_Response
    $name = $_POST['name'];
    $email = $_POST['email'];
    $phone = $_POST['phone'];
    $password = $_POST['password'];

    //Add a zero at begining of phone number
    if(email_exists($email)){
        $save_value = 'email_exists';
    }
    else if(username_exists($name)){
        $save_value = 'username_exists';
    }
    else {
//        $password =  wp_generate_password( 10, true, true );

        $user_id = wp_create_user($name, $password, $email);

        $user_name=  sanitize_title_with_dashes($name);

        add_user_meta($user_id, 'name', $name);
        add_user_meta($user_id, 'email', $email);
        add_user_meta($user_id, 'phone', $phone);
        add_post_meta($user_id, 'password', $password);

        if($user_id){

            /////////////// first mail to user - start //////////////////////////////////
            $fullname = ucwords(strtolower($user_name));
            $subject = "Welcome to ".$from_name;
            $message = '<p>Dear '. ucwords(strtolower($email)).',</p><p></p><p>You have successfully created an account to our Website.<br>Your User Name: '.$email.'<br> Your password is : '.$password.'<br>';
            //Headers
            $headers  = 'MIME-Version: 1.0' . "\r\n";
            $headers .= 'Content-type: text/html; charset=UTF-8' . "\r\n";
            if(!empty($from_email) && filter_var($from_email,FILTER_VALIDATE_EMAIL))//Validating From
                $headers .= "From: ".$from_name." <".$from_email."> \r\n";

            $reply_email = $from_email;
            if($reply_email){
                $headers .= "Reply-To: {$reply_email}\r\n";
                $headers .= "Return-Path: {$from_name}\r\n";
            }

            wp_mail($email, $subject, $message , $headers);

            /////////////// first mail to user - end //////////////////////////////////
            /////////////// Mail to admin - start //////////////////////////////////

            $subject = $from_name."- New customer registration request";
            $message    = '<p>Dear Admin,</p><p>'.$fullname.' is registered in our website!</p><br>User Details are:<br> Name: '.$name.'<br>Phone no:'.$phone.'<br>Email: '.$email.'<br>'
                . '<p>Best Wishes,<br>Team '.$from_name;
            wp_mail($from_email, $subject, $message , $headers);
            /////////////// Mail to admin - end //////////////////////////////////
        }
        $save_value = "Registration Successful";
    }
    echo $save_value;
    //echo "success==============".$user_id;
    die;

}


/** Plugin Name: (#90328) Login with E-Mail address */
function login_with_email_address( &$username ) {
    $user = get_user_by( 'email', $username );
    if ( !empty( $user->user_login ) )
        $username = $user->user_login;
    return $username;
}
add_action( 'wp_authenticate','login_with_email_address' );

/***
LOGIN HERE
 */
//function custom_login() {
//    echo header("Location: " . get_bloginfo( 'url' ) . "/register");
//}
//
//add_action('login_head', 'custom_login');
//
//function login_link_url( $url ) {
//    $url = get_bloginfo( 'url' ) . "/register";
//    return $url;
//}
//add_filter( 'login_url', 'login_link_url', 10, 2 );
//
//function taxonomy_checklist_checked_ontop_filter ($args) { $args['checked_ontop'] = false; return $args; } add_filter('wp_terms_checklist_args','taxonomy_checklist_checked_ontop_filter');

?>

login.php

<?php
/**
 * Template Name: Login
 * Created by PhpStorm.
 * User: VIcky
 * Date: 9/30/2016
 * Time: 2:01 AM
 */

if($_POST) {

    global $wpdb;

    //We shall SQL escape all inputs
    $username = $wpdb->escape($_REQUEST['username']);
    $password = $wpdb->escape($_REQUEST['password']);
    $remember = $wpdb->escape($_REQUEST['rememberme']);

    if($remember) $remember = "true";
    else $remember = "false";

    $login_data = array();
    $login_data['user_login'] = $username;
    $login_data['user_password'] = $password;
    $login_data['remember'] = $remember;

    $user_verify = wp_signon( $login_data, false );

    if ( is_wp_error($user_verify) )
    {
        header("Location: " . home_url() . "/register?x=Wrong User Name Or Password..");
        // Note, I have created a page called "Error" that is a child of the login page to handle errors. This can be anything, but it seemed a good way to me to handle errors.
    } else {
        echo "<script type='text/javascript'>window.location='". home_url() ."'</script>";
        exit();
    }

} else {

    // No login details entered - you should probably add some more user feedback here, but this does the bare minimum

    echo "Invalid login details";

}
?>

register.php

<?php
/**
 * Template Name: Register
 * Created by PhpStorm.
 * User: VIcky
 * Date: 9/29/2016
 * Time: 9:59 PM
 */
get_header(); 

$x=$_GET['x'];
?>
<div class="container">
    <div class="row">
        <div class="custom-margin">
        <div class="col-md-6 panel panel-danger" style="margin-top: 20px;">
                <div class="panel-heading">
                    <h3 class="panel-title">Registration Here</h3>
                    </div>
            <div class="panel-body">
                    <form id="signup-form"  method="post" class="s-form wow zoomInUp" data-wow-delay="0.5s">
                        <div class="form-group col-md-12">
                            <label class="control-label" for="name">Enter Name: </label>
                            <input type="text" placeholder="FULL NAME" value="" name="name" id="name" class="form-control"  />
                        </div>
                        <div class="form-group col-md-12">
                            <label class=" control-label" for="name">Email Address: </label>
                            <input type="email" placeholder="EMAIL ID" value="" name="email" id="email" class="form-control" />
                        </div>
                        <div class="form-group col-md-12">
                            <label class="control-label" for="name">Phone Number: </label>
                            <input type="number" placeholder="PHONE NO" value="" name="phone" id="phone" class="form-control" />
                            </div>
                        <div class="form-group col-md-12">
                            <label class=" control-label" for="name">Enter Password:</label>
                            <input type="password" placeholder="PASSWORD" value="" name="password" id="password" class="form-control" />
                            </div>
                        <input type="button" name="btn_submit" class="btn  btn-danger" id="btn_submit1" value="Submit" style="float:right;margin-right: 17px;background-color:#ee8323;border-color:#ee8323;border-radius:0px;">

                    </form>
            </div>
        </div>

        <div class="col-md-6 panel panel-danger" style=" margin-top: 20px;">
            <div class="panel-heading">
                <h3 class="panel-title">Login Here</h3>
            </div>
            <p style="color:red;margin-left:10px;margin-top:10px"><?php echo $x; ?><p>
            <form id="login" class="s-form wow zoomInUp" name="form" action="<?php echo home_url(); ?>/login/" method="post">
                <div class="form-group col-md-12">
                    <label class="control-label" for="name">Enter Email: </label>
                <input type="text" placeholder="Enter Username" value="" name="username" id="username" class="form-control" required/>
              </div>
                <div class="form-group col-md-12">
                    <label class="control-label" for="name">Enter Password: </label>
                <input type="password" placeholder="Password" value="" name="password" id="password" class="form-control" required/>
              </div>
                    <input id="submit" class="btn btn btn-danger" type="submit" name="submit" value="Login" style="float:right;margin-right: 17px;margin-bottom: 10px;background-color:#ee8323;border-color:#ee8323;border-radius:0px;">
            </form>


                <!--                                                 <label for="chk" style="color:#026466">-->
                <p style="float:right;margin-right:10px;"><input type="checkbox" id="chk1" style="height:12px;margin-top:10px;width:20px;"><span style="margin-left:5px;">Forgot Password?</span></p>


            <div class="col-md-12" id="list1">
                <form name="lostpasswordform" id="lostpasswordform" action="<?php echo wp_lostpassword_url(); ?>" method="post">
                    <p>
                        <label class="control-label" for="name" style="color:#888;">Username or E-mail:<br>   </label>
                        <input type="text" name="user_login" id="user_login" class="form-control" value=""  placeholder="Username or E-mail" required>
                    </p>
                    <input type="hidden" name="redirect_to" value="<?php echo $redirect ?>">

                        <input type="submit" name="wp-submit" id="wp-submit" class="btn btn btn-danger" value="Get New Password"  style="float:right;margin-bottom: 10px;background-color:#ee8323;border-color:#ee8323;border-radius:0px;">
                </form>
            </div>

        </div>
        </div>
    </div>
</div>
<?php get_footer(); ?>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script>
    $(function () {

        // Get the form fields and hidden div
        var checkbox = $("#chk1");
        var hidden = $("#list1");
        hidden.hide();
        checkbox.change(function () {
            if (checkbox.is(':checked')) {
                hidden.show();
            } else {
                hidden.hide();
                // $("#list").val("");
            }
        });
    });
</script>

<script type="text/javascript">
    var ajaxurl = "<?php echo admin_url('admin-ajax.php'); ?>";
</script>
<script type="text/javascript">
    $(function() {
        $('#btn_submit1').click(function() {
            var name = $('#name').val();
            var email = $('#email').val();
            var phone = $('#phone').val();
            var password = $('#password').val();

            if (name == "") {
                swal(" Full Name is a required field");
                return false;
            }

            if (email == "") {
                swal("Email is a required field");
                return false;
            }

            if (phone == "") {
                swal("Phone is a required field");
                return false;
            }

            if (password == "") {
                swal("Password is a required field");
                return false;
            }

            var data = {
                'action': 'create_user',
                'name': name,
                'email': email,
                'phone': phone,
                'password': password
            };

            $.ajax({
                type: "POST",
                url: ajaxurl,
                data: data,
                success: function (response) {
                    alert(response);
                    $("#signup-form")[0].reset();
                   
                },
                error: function (response) {
                    alert(response);
                    $("#signup-form")[0].reset()
                },
            });
        });
    });
</script>