Wordpress Plugin to Create Custom Registration form Plugin :
<?php
/*
Plugin Name: Custom Registration Form
Plugin URI: http://astro-global.blogspot.in/
Description: Updates user rating based on number of posts.
Version: 1.0
Author: Sunil Sharma
Author URI: https://plus.google.com/u/0/+SunilSharma_007
*/
function custom_registration_function() {
if (isset($_POST['submit'])) {
registration_validation(
$_POST['username'],
$_POST['password'],
$_POST['email'],
$_POST['website'],
$_POST['fname'],
$_POST['lname'],
$_POST['nickname'],
$_POST['bio']
);
// sanitize user form input
global $username, $password, $email, $website, $first_name, $last_name, $nickname, $bio;
$username = sanitize_user($_POST['username']);
$password = esc_attr($_POST['password']);
$email = sanitize_email($_POST['email']);
$website = esc_url($_POST['website']);
$first_name = sanitize_text_field($_POST['fname']);
$last_name = sanitize_text_field($_POST['lname']);
$nickname = sanitize_text_field($_POST['nickname']);
$bio = esc_textarea($_POST['bio']);
// call @function complete_registration to create the user
// only when no WP_error is found
complete_registration(
$username,
$password,
$email,
$website,
$first_name,
$last_name,
$nickname,
$bio
);
}
registration_form(
$username,
$password,
$email,
$website,
$first_name,
$last_name,
$nickname,
$bio
);
}
function registration_form( $username, $password, $email, $website, $first_name, $last_name, $nickname, $bio ) {
echo '
<style>
div {
margin-bottom:2px;
}
input{
margin-bottom:4px;
}
</style>
';
echo '
<form action="' . $_SERVER['REQUEST_URI'] . '" method="post">
<div>
<label for="username">Username <strong>*</strong></label>
<input type="text" name="username" value="' . (isset($_POST['username']) ? $username : null) . '">
</div>
<div>
<label for="password">Password <strong>*</strong></label>
<input type="password" name="password" value="' . (isset($_POST['password']) ? $password : null) . '">
</div>
<div>
<label for="email">Email <strong>*</strong></label>
<input type="text" name="email" value="' . (isset($_POST['email']) ? $email : null) . '">
</div>
<div>
<label for="website">Website</label>
<input type="text" name="website" value="' . (isset($_POST['website']) ? $website : null) . '">
</div>
<div>
<label for="firstname">First Name</label>
<input type="text" name="fname" value="' . (isset($_POST['fname']) ? $first_name : null) . '">
</div>
<div>
<label for="website">Last Name</label>
<input type="text" name="lname" value="' . (isset($_POST['lname']) ? $last_name : null) . '">
</div>
<div>
<label for="nickname">Nickname</label>
<input type="text" name="nickname" value="' . (isset($_POST['nickname']) ? $nickname : null) . '">
</div>
<div>
<label for="bio">About / Bio</label>
<textarea name="bio">' . (isset($_POST['bio']) ? $bio : null) . '</textarea>
</div>
<input type="submit" name="submit" value="Register"/>
</form>
';
}
function registration_validation( $username, $password, $email, $website, $first_name, $last_name, $nickname, $bio ) {
global $reg_errors;
$reg_errors = new WP_Error;
if ( empty( $username ) || empty( $password ) || empty( $email ) ) {
$reg_errors->add('field', 'Required form field is missing');
}
if ( strlen( $username ) < 4 ) {
$reg_errors->add('username_length', 'Username too short. At least 4 characters is required');
}
if ( username_exists( $username ) )
$reg_errors->add('user_name', 'Sorry, that username already exists!');
if ( !validate_username( $username ) ) {
$reg_errors->add('username_invalid', 'Sorry, the username you entered is not valid');
}
if ( strlen( $password ) < 5 ) {
$reg_errors->add('password', 'Password length must be greater than 5');
}
if ( !is_email( $email ) ) {
$reg_errors->add('email_invalid', 'Email is not valid');
}
if ( email_exists( $email ) ) {
$reg_errors->add('email', 'Email Already in use');
}
if ( !empty( $website ) ) {
if ( !filter_var($website, FILTER_VALIDATE_URL) ) {
$reg_errors->add('website', 'Website is not a valid URL');
}
}
if ( is_wp_error( $reg_errors ) ) {
foreach ( $reg_errors->get_error_messages() as $error ) {
echo '<div>';
echo '<strong>ERROR</strong>:';
echo $error . '<br/>';
echo '</div>';
}
}
}
function complete_registration() {
global $reg_errors, $username, $password, $email, $website, $first_name, $last_name, $nickname, $bio;
if ( count($reg_errors->get_error_messages()) < 1 ) {
$userdata = array(
'user_login' => $username,
'user_email' => $email,
'user_pass' => $password,
'user_url' => $website,
'first_name' => $first_name,
'last_name' => $last_name,
'nickname' => $nickname,
'description' => $bio,
);
$user = wp_insert_user( $userdata );
echo 'Registration complete. Goto <a href="' . get_site_url() . '/wp-login.php">login page</a>.';
}
}
// Register a new shortcode: [cr_custom_registration]
add_shortcode('cr_custom_registration', 'custom_registration_shortcode');
// The callback function that will replace [book]
function custom_registration_shortcode() {
ob_start();
custom_registration_function();
return ob_get_clean();
}
?>
Plugin Usage :
To implement the plugin in a WordPress post or page, use the shortcode
[cr_custom_registration].
To implement the registration form in a specific aspect of your theme, add the following template tag -
You can get the plugin file from the attachment in this article.
<?php custom_registration_function(); ?>.You can get the plugin file from the attachment in this article.
