banner-shortcode-build.php

<?php
function shortcode_build( $atts, $content = null ) {
  extract( shortcode_atts( array(
    'background_color'   => '',
    'image'    => '',
    'image_position' => ''
  ),
  $atts, 'limecuda_banner' ) );

  ob_start();
  ?>
    <section class="limecuda-banner limecuda-case-study-component <?php echo esc_attr( $background_color ); ?>">
      <div class="wrap">
        <?php
          $content_class = 'center';

          if( $image ) {

            $content_class = ''; ?>

              <div class="banner-image <?php echo esc_attr( $image_position ); ?>">
                <?php echo wp_get_attachment_image( $image, 'full' ); ?>
              </div>

          <?php
          } ?>

          <div class="banner-content <?php echo esc_attr( $content_class ); ?>">
            <?php echo do_shortcode( $content ); ?>
          </div>

      </div>
    </section>

  <?php
  return ob_get_clean();
}