Profile: neilR

function get_attachment_id( $url ) {
  $attachment_id = 0;
  $dir = wp_upload_dir();
  if ( false !== strpos( $url, $dir['baseurl'] . '/' ) ) { // Is URL in uploads directory?
    $file = basename( $url );
    $query_args = array(
      'post_type'   => 'attachment',
      'post_status' => 'inherit',
      'fields'      => 'ids',
      'meta_query'  => array(
        array(
          'value'   => $file,
          'compare' => 'LIKE',
          'key'     => '_wp_attachment_metadata',
        ),
      )
    );
    $query = new WP_Query( $query_args );
    if ( $query->have_posts() ) {
      foreach ( $query->posts as $post_id ) {
        $meta = wp_get_attachment_metadata( $post_id );
        $original_file       = basename( $meta['file'] );
        $cropped_image_files = wp_list_pluck( $meta['sizes'], 'file' );
        if ( $original_file === $file || in_array( $file, $cropped_image_files ) ) {
          $attachment_id = $post_id;
          break;
        }
      }
    }
  }
  return $attachment_id;
}
 
add_shortcode('media-info-multi', 'media_info_multi_func');
function media_info_multi_func($atts, $content){
    global $wpdb;
    $atts = shortcode_atts( array(
        'slug' => 'photos',
        'info' => 'title',
    ), $atts);
    $res = '';
    $urls = types_render_field($atts['slug'], array('output' => 'raw', 'separator'=> ','));
    $arr = explode(',', $urls);
    $attachment_id = array();
    foreach($arr as $k => $v){
        $attachment_id[] = get_attachment_id( $v );
    }
    $res = implode(',', $attachment_id);
    return $res;
}