function dozent_get_attachments( $post_ID = 0 ) {
		$post_ID = dozent_get_post_id( $post_ID );

		$attachments = (array) maybe_unserialize( get_post_meta( $post_ID, '_attachments', true ) );
		$attachments = array_filter( $attachments );

		$attachmentsArr = [];

		$font_icons = apply_filters( 'dozent_file_type_icons', [
			'dicon-file-archive',
			'dicon-file-audio',
			'dicon-file-code',
			'dicon-file-default',
			'dicon-file-document',
			'dicon-file-interactive',
			'dicon-file-spreadsheet',
			'dicon-file-text',
			'dicon-file-video',
			'dicon-file-image',
		] );

		if ( dozent_count( $attachments ) ) {
			foreach ( $attachments as $attachment ) {
				$url       = wp_get_attachment_url( $attachment );
				$file_type = wp_check_filetype( $url );
				$ext       = $file_type['ext'];
				$title     = get_the_title( $attachment );

				$file_path  = get_attached_file( $attachment );
				$size_bytes = file_exists( $file_path ) ? filesize( $file_path ) : 0;
				$size       = size_format( $size_bytes, 2 );
				$type       = wp_ext2type( $ext );
				$type       = 'dicon-file-' . $type;

				$icon = dozent_array_get( $type, $font_icons, 'dicon-file-default' );

				$data = array(
					'post_ID'       => $post_ID,
					'id'            => $attachment,
					'url'           => $url,
					'name'          => $title . '.' . $ext,
					'title'         => $title,
					'ext'           => $ext,
					'size_readable' => $size,
					'size_bytes'    => $size_bytes,
					'icon'          => $icon,
				);

				/**
				 * Filter attachments output of dozent_get_attachments() function
				 *
				 * @since DozentLMS 1.0.0
				 *
				 * @param array $data Attachments
				 */

				$attachmentsArr[] = (object) apply_filters( 'dozent/posts/attachments', $data );
			}

			return $attachmentsArr;
		}

		return $attachmentsArr;
	}