WordPress Ajax Login -- Form Processor

gistfile1.txt

<?php
/**
 * To be used in AJAX submission, gets the $_POST data and logs the user in.
 *
 * @uses check_ajax_referer()
 * @uses wp_signon()
 * @uses is_wp_error()
 *
 * @todo move this to the abtract!
 */
function zm_register_login_submit() {

    check_ajax_referer( 'tt-ajax-forms', 'security' );

    $creds = array();
    $creds['user_login'] = $_POST['user_name'];
    $creds['user_password'] = $_POST['password'];

    if ( isset( $_POST['remember'] ) ) {
        $creds['remember'] = true;
    }

    $user = wp_signon( $creds, false );

    if ( is_wp_error( $user ) ) {
        $user->get_error_message();
    }

    die();
} // zm_register_login_submit
add_action( 'wp_ajax_zm_register_login_submit', 'zm_register_login_submit' );
add_action( 'wp_ajax_nopriv_zm_register_login_submit', 'zm_register_login_submit' );