Noptin_Abstract_Integration::get_checkbox_attributes()

	protected function get_checkbox_attributes() {

		$attributes = array(
			'type'  => 'checkbox',
			'name'  => 'noptin-subscribe',
			'value' => '1',
		);
		$attributes = (array) apply_filters( 'noptin_integration_subscription_checkbox_attributes', $attributes, $this );

		$attributes = (array) apply_filters( "noptin_{$this->slug}_integration_subscription_checkbox_attributes", $attributes, $this );

		$string = '';
		foreach ( $attributes as $key => $value ) {
			$string .= sprintf( '%s="%s"', $key, esc_attr( $value ) );
		}

		return $string;
	}