public function handler( $atts, $content = null ) {
		$atts = $this->shortcode_atts( $atts );

		static $instance = 0;

		$instance ++;

		$atts['instance'] = $instance;

		ob_start();

		$data_attr = $this->data_attr( $atts );

		$classes = implode( ' ', array(
			'pum_sub_form',
			$atts['provider'],
			$atts['form_layout'],
			$atts['form_style'],
			'pum-sub-form',
			'pum-form',
			'pum-sub-form--provider-' . $atts['provider'],
			'pum-form--layout-' . $atts['form_layout'],
			'pum-form--style-' . $atts['form_style'],
			'pum-form--alignment-' . $atts['form_alignment'],
		) ); ?>


		<form class="<?php echo esc_attr( $classes ); ?>" data-settings="<?php echo esc_attr( PUM_Utils_Array::safe_json_encode( $data_attr ) ); ?>">

			<?php do_action( 'pum_sub_form_before', $atts ); ?>

			<?php


			if ( ! $atts['name_field_type'] != 'disabled' ) :

				$required = ! $atts['name_optional'] ? 'required' : '';

				switch ( $atts['name_field_type'] ) {
					case 'fullname': ?>

						<div class="pum-form__field  pum-form__field--name  pum-sub-form-field  pum-sub-form-field--name">
							<?php if ( ! $atts['disable_labels'] ) : ?>
								<label class="pum-form__label  pum-sub-form-label"><?php echo $atts['label_name']; ?></label>
							<?php endif; ?>
							<input type="text" name="name" <?php echo $required; ?> placeholder="<?php echo esc_attr( $atts['placeholder_name'] ); ?>" />
						</div>

						<?php
						break;

					case 'first_only': ?>

						<div class="pum-form__field  pum-form__field--fname  pum-sub-form-field  pum-sub-form-field--fname">
							<?php if ( ! $atts['disable_labels'] ) : ?>
								<label class="pum-form__label  pum-sub-form-label"><?php echo $atts['label_fname']; ?></label>
							<?php endif; ?>
							<input type="text" name="fname" <?php echo $required; ?> placeholder="<?php echo esc_attr( $atts['placeholder_fname'] ); ?>" />
						</div>

						<?php
						break;

					case 'first_last': ?>

						<div class="pum-form__field  pum-form__field--fname  pum-sub-form-field  pum-sub-form-field--fname">
							<?php if ( ! $atts['disable_labels'] ) : ?>
								<label class="pum-form__label  pum-sub-form-label"><?php echo $atts['label_fname']; ?></label>
							<?php endif; ?>
							<input type="text" name="fname" <?php echo $required; ?> placeholder="<?php echo esc_attr( $atts['placeholder_fname'] ); ?>" />
						</div>

						<div class="pum-form__field  pum-form__field--lname  pum-sub-form-field  pum-sub-form-field--lname">
							<?php if ( ! $atts['disable_labels'] ) : ?>
								<label class="pum-form__label  pum-sub-form-label"><?php echo $atts['label_lname']; ?></label>
							<?php endif; ?>
							<input type="text" name="lname" <?php echo $required; ?> placeholder="<?php echo esc_attr( $atts['placeholder_lname'] ); ?>" />
						</div>

						<?php
						break;
				} ?>

			<?php endif; ?>

			<div class="pum-form__field  pum-form__field--email  pum-sub-form-field  pum-sub-form-field--email">
				<?php if ( ! $atts['disable_labels'] ) : ?>
					<label class="pum-form__label  pum-sub-form-label"><?php echo $atts['label_email']; ?></label>
				<?php endif; ?>
				<input type="email" name="email" required placeholder="<?php echo esc_attr( $atts['placeholder_email'] ); ?>" />
			</div>

			<?php do_action( 'pum_sub_form_fields', $atts ); ?>

			<?php do_action( 'pum_newsletter_fields', $atts ); ?>

			<input type="hidden" name="provider" value="<?php echo $atts['provider']; ?>" />

			<?php if ( $atts['privacy_consent_enabled'] == 'yes' ) :
				$consent_text = trim( $atts['privacy_consent_label'] );
				$consent_args = array(
					'enabled' => 'yes',
					'required' => isset( $atts['privacy_consent_required'] ) && $atts['privacy_consent_required'],
					'text' => ! empty( $consent_text ) ? $consent_text : ( ! empty( $atts['privacy_consent_yes_label'] ) ? $atts['privacy_consent_yes_label'] : '' ),
				);
				?>

				<input type="hidden" name="consent_args" value="<?php echo esc_attr( PUM_Utils_Array::safe_json_encode( $consent_args ) ); ?>" />

				<div class="pum-form__field  pum-form__field--<?php echo esc_attr( $atts['privacy_consent_type'] ); ?>  pum-form__field--consent  pum-sub-form-field">
					<?php switch ( $atts['privacy_consent_type'] ) {
						case 'checkbox': ?>
							<label class="pum-form__label  pum-sub-form-label">
								<input type="checkbox" value="yes" name="consent" <?php echo $consent_args['required'] ? 'required="required"' : ''; ?> /> <?php echo wp_kses( $consent_text, array() ); ?>
							</label>
							<?php
							break;
						case 'radio': ?>
							<?php if ( ! empty( $consent_text ) ) : ?>
								<label class="pum-form__label  pum-sub-form-label"><?php echo wp_kses( $consent_text, array() ); ?></label>
							<?php endif; ?>
							<div class="pum-form__consent-radios  pum-form__consent-radios--<?php echo esc_attr( $atts['privacy_consent_radio_layout'] ); ?>">
								<label class="pum-form__label  pum-sub-form-label">
									<input type="radio" value="yes" name="consent" <?php echo $consent_args['required'] ? 'required="required"' : ''; ?> /> <?php echo wp_kses( $atts['privacy_consent_yes_label'], array() ); ?>
								</label>
								<label class="pum-form__label  pum-sub-form-label">
									<input type="radio" value="no" name="consent" /> <?php echo wp_kses( $atts['privacy_consent_no_label'], array() ); ?>
								</label>
							</div>
							<?php
							break;
					}

					if ( ! empty( $atts['privacy_usage_text'] ) ) :
						$usage_text = trim( $atts['privacy_usage_text'] );

						if ( strpos( $usage_text, '{{privacy_link' ) !== false && function_exists( 'get_privacy_policy_url' ) && get_privacy_policy_url() !== '' ) {
							preg_match_all( "/{{privacy_link:?(.*)}}/", $usage_text, $matches );

							$link = '<a href="' . get_privacy_policy_url() . '" target="_blank">%s</a>';

							foreach ( $matches[0] as $key => $value ) {
								$usage_text = str_replace( $matches[0][ $key ], sprintf( $link, $matches[1][ $key ] ), $usage_text );
							}
						}
						?>
						<p>
							<small><?php echo wp_kses( $usage_text, array( 'a' => array( 'target' => true, 'href' => true ) ) ); ?></small>
						</p>
					<?php endif; ?>
				</div>
			<?php endif; ?>

			<div class="pum-form__field  pum-form__field--submit  pum-sub-form-field  pum-sub-form-field--submit">
				<button class="pum-form__submit  pum-sub-form-submit"><?php echo $atts['label_submit']; ?></button>
			</div>

			<?php do_action( 'pum_sub_form_after', $atts ); ?>
		</form>

		<?php

		//return content
		return ob_get_clean();
	}