Updated Adobe Connect

<?php

add_filter( 'gform_pre_submission_filter_1', 'gf_adobe_register' );

function gf_adobe_register( $form ) {

    //exit( var_dump( $_POST ) );

    $first_name = $_POST['input_1_3'];
    $last_name =  $_POST['input_1_6'];
    $full_name = sprintf( '%s %s ', $first_name, $last_name );
    $email_address = $_POST['input_3'];
    $password = $_POST['input_17'];

    $webinar_id = $_POST['input_18']; //webinar_id hidden field

    // get the sco_id
    $sco_id = get_post_meta( $webinar_id, 'sco_id', TRUE );

    $client = new AdobeConnectClient( AC_HOST, AC_USERNAME, AC_PASSWORD );

    // Authenticate with Adobe Connect
    if( $client->makeAuth() ) {


        // Does email exist?
        if( !$client->getUserByEmail( $email_address, true ) ) {
            // Create the user
            if( !$client->createUser( $email_address, $password, $full_name ) ) {
                $form['confirmation'] = 'Sorry we could not register you for the webinar.';
                log_error( sprintf( 'Could not create user: %s, %s', $full_name, $email_address ) );
                // send error message to admin
                GFCommon::log_debug( $form . ' could not create user.' );

            }
        }

        // check if they've already been invited
        if( !$client->getMeetingAttendees( $sco_id, $email_address ) ) {

            // add user to meeting
            if( !$client->inviteUserToMeeting($sco_id, $email_address ) ) {

                $form['confirmation'] = 'Sorry we could not register you for the webinar';
                log_error( sprintf( 'Could not invite user to meeting: %s, %s', $full_name, $email_address ) );
                // send error message to admin
                GFCommon::log_debug( $form . ' could not invite user.' );
            }

        }
        else {
            $form['confirmation'] = 'You\'ve already been invited to this webinar';
            log_error( sprintf( 'Could not invite user to meeting: %s, %s', $full_name, $email_address ) );

            GFCommon::log_debug( $form . ' user already invited.' );
        }


    }
    else {

        // Error: could not authenticate
        $form['confirmation'] = 'Sorry we could not register you for the webinar. Please try again later.';
        log_error( 'Could not authenticate with Adbobe Connect.' );
        // send error message to admin
        GFCommon::log_debug( $form . ' could not authenticate.' );

    }

    return $form;

}