'', 'accept_terms' => false, ); function display() { if ( ! $this->license_key && defined( 'GF_LICENSE_KEY' ) ) { $this->license_key = GF_LICENSE_KEY; } ?>

', '' ); ?>

validation_message( 'license_key', false ); if ( $key_error ) { echo $key_error; } ?>
validation_message( 'accept_terms', false ); if ( $message || $key_error || $this->accept_terms ) { ?>

is_valid_key = true; $license_key = $this->license_key; if ( empty ( $license_key ) ) { $message = esc_html__( 'Please enter a valid license key.', 'gravityforms' ) . ''; $this->set_field_validation_result( 'license_key', $message ); $this->is_valid_key = false; } else { $key_info = GFCommon::get_key_info( $license_key ); if ( empty( $key_info ) || ( ! $key_info['is_active'] ) ){ $message = "  " . __( 'Invalid or Expired Key : Please make sure you have entered the correct value and that your key is not expired.', 'gravityforms' ) . ''; $this->set_field_validation_result( 'license_key', $message ); $this->is_valid_key = false; } } if ( ! $this->is_valid_key && ! $this->accept_terms ) { $this->set_field_validation_result( 'accept_terms', __( 'Please accept the terms', 'gravityforms' ) ); } $valid = $this->is_valid_key || ( ! $this->is_valid_key && $this->accept_terms ); return $valid; } function install() { if ( $this->license_key ) { GFFormsModel::save_key( $this->license_key ); $version_info = GFCommon::get_version_info( false ); } } function get_previous_button_text() { return ''; } }