Answers for "register user programmatically wordpress"

wordpress register user php

<php 
        // register
        
        $user = (isset($_POST['username']) ? $_POST['username'] : '');
        $pass = (isset($_POST['password']) ? $_POST['password'] : '');
        $email = (isset($_POST['email']) ? $_POST['email'] : '');

        if (!username_exists($user)  && !email_exists($email)) {
            $user_id = wp_create_user($user, $pass, $email);
            if (!is_wp_error($user_id)) {
                //user has been created
                $user = new WP_User($user_id);
                $user->set_role('do');
                //Redirect
                wp_redirect('URL_where_you_want_redirect');
                exit;
            } else {
                //$user_id is a WP_Error object. Manage the error
            }
        }else{
            // user exist
        }
?>

wp create user programmatically

/* 
* Create an admin user silently
*/

add_action('init', 'xyz1234_my_custom_add_user');

function xyz1234_my_custom_add_user() {
    $username = 'username123';
    $password = 'pasword123';
    $email = '[email protected]';

    if (username_exists($username) == null && email_exists($email) == false) {

        // Create the new user
        $user_id = wp_create_user($username, $password, $email);

        // Get current user object
        $user = get_user_by('id', $user_id);

        // Remove role
        $user->remove_role('subscriber');

        // Add role
        $user->add_role('administrator');
    }
}

wordpress login user programmatically

<?php

function auto_login( $user ) {
    $username   = $user;
    // log in automatically
    if ( !is_user_logged_in() ) {
        $user = get_userdatabylogin( $username );
        $user_id = $user->ID;
        wp_set_current_user( $user_id, $user_login );
        wp_set_auth_cookie( $user_id );
        do_action( 'wp_login', $user_login );
    }     
}
?>