wp Signup basic

page-Signup.php

<?php
//  Template Name: -- Signup
// get header.php
get_header();

// get theme customizer data
$comments_general = get_option('royal_comments_general');
if ( is_user_logged_in() ) {
    //echo 'Welcome, registered user!';
    //wp_redirect(get_site_url() ); exit;
    // auth_redirect();
    // wp_redirect(get_site_url() );
} else {
   // echo 'Welcome, visitor!';
}
//while( have_posts() ) : the_post(); 

the_post();
get_header();
?>
 
<div class="wrapper">
	
	<?php
	$err = '';
	$success = '';
 
	global $wpdb, $PasswordHash, $current_user, $user_ID;
 
	if(isset($_POST['task']) && $_POST['task'] == 'register' ) {
 
		
		$pwd1 = $wpdb->escape(trim($_POST['pwd1']));
		$pwd2 = $wpdb->escape(trim($_POST['pwd2']));
		$first_name = $wpdb->escape(trim($_POST['first_name']));
		$last_name = $wpdb->escape(trim($_POST['last_name']));
		$email = $wpdb->escape(trim($_POST['email']));
		$username = $wpdb->escape(trim($_POST['username']));
		
		if( $email == "" || $pwd1 == "" || $pwd2 == "" || $username == "" || $first_name == "" || $last_name == "") {
			$err = 'Please don\'t leave the required fields.';
		} else if(!filter_var($email, FILTER_VALIDATE_EMAIL)) {
			$err = 'Invalid email address.';
		} else if(email_exists($email) ) {
			$err = 'Email already exist.';
		} else if($pwd1 <> $pwd2 ){
			$err = 'Password do not match.';		
		} else {
 
			$user_id = wp_insert_user( array ('first_name' => apply_filters('pre_user_first_name', $first_name), 'last_name' => apply_filters('pre_user_last_name', $last_name), 'user_pass' => apply_filters('pre_user_user_pass', $pwd1), 'user_login' => apply_filters('pre_user_user_login', $username), 'user_email' => apply_filters('pre_user_user_email', $email), 'role' => 'subscriber' ) );
			if( is_wp_error($user_id) ) {
				$err = 'Error on user creation.';
			} else {
				do_action('user_register', $user_id);
				
				$success = 'You\'re successfully register';
			}
			
		}
		
	}
	?>
 
        <!--display error/success message-->
	<div id="message">
		<?php 
			if(! empty($err) ) :
				echo '<p class="error">'.$err.'';
			endif;
		?>
		
		<?php 
			if(! empty($success) ) :
				echo '<p class="error">'.$success.'';
			endif;
		?>
	</div>
 
	<form method="post">
		<h3>Don't have an account?<br /> Create one now.</h3>
		<p><label>Last Name</label></p>
		<p><input type="text" value="" name="last_name" id="last_name" /></p>
		<p><label>First Name</label></p>
		<p><input type="text" value="" name="first_name" id="first_name" /></p>
		<p><label>Email</label></p>
		<p><input type="text" value="" name="email" id="email" /></p>
		<p><label>Username</label></p>
		<p><input type="text" value="" name="username" id="username" /></p>
		<p><label>Password</label></p>
		<p><input type="password" value="" name="pwd1" id="pwd1" /></p>
		<p><label>Password again</label></p>
		<p><input type="password" value="" name="pwd2" id="pwd2" /></p>
		<div class="alignleft"><p><?php if($sucess != "") { echo $sucess; } ?> <?php if($err != "") { echo $err; } ?></p></div>
		<button type="submit" name="btnregister" class="button" >Submit</button>
		<input type="hidden" name="task" value="register" />
	</form>
 
</div>
<?php get_footer() ?>