function llms_sd_my_grades_table_content( $id, $lesson, $student, $restrictions ) {

	ob_start();

	/**
	 * Fires before the student dashboard my grades table cell content output
	 *
	 * The dynamic portion of the hook name, `$id`, refers to the key of the table cell.
	 *
	 * @since unknown
	 *
	 * @param LLMS_Lesson  $lesson       LLMS_Lesson instance.
	 * @param LLMS_Student $student      LLMS_Student instance.
	 * @param array        $restrictions Restriction data from `llms_page_restricted()`.
	 */
	do_action( 'llms_sd_my_grades_table_content_' . $id . '_before', $lesson, $student, $restrictions );

	switch ( $id ) {

		case 'completion_date':
			if ( $student->is_complete( $lesson->get( 'id' ) ) ) {
				echo $student->get_completion_date( $lesson->get( 'id' ), get_option( 'date_format' ) );
			} else {
				echo '–';
			}
			break;

		case 'associated_quiz':
			if ( $lesson->has_quiz() && $restrictions['is_restricted'] ) {
				echo '<i class="fa fa-lock" aria-hidden="true"></i>';
			} elseif ( $lesson->has_quiz() ) {
				$attempt = $student->quizzes()->get_last_attempt( $lesson->get( 'quiz' ) );
				$url     = $attempt ? $attempt->get_permalink() : get_permalink( $lesson->get( 'quiz' ) );
				$text    = $attempt ? __( 'Review', 'lifterlms' ) : __( 'Start', 'lifterlms' );
				if ( $attempt ) {
					echo '<span class="llms-status llms-' . esc_attr( $attempt->get( 'status' ) ) . '">' . $attempt->l10n( 'status' ) . '</span>';
				}
				echo '<a href="' . $url . '">' . $text . '</a>';
			} else {
				echo '&ndash;';
			}
			break;

		case 'overall_grade':
			$grade = $student->get_grade( $lesson->get( 'id' ) );
			echo is_numeric( $grade ) ? llms_get_donut( $grade, '', 'mini' ) : '&ndash;';
			break;

	}

	/**
	 * Fires after the student dashboard my grades default table cell content output
	 *
	 * If id id one oare `completion_date`, `associated_quiz`, `overall_grade`.
	 * Can be used to display custom table cells.
	 *
	 * The dynamic portion of the hook name, `$id`, refers to the key of the table cell.
	 *
	 * @since unknown
	 *
	 * @param LLMS_Lesson  $lesson       LLMS_Lesson instance.
	 * @param LLMS_Student $student      LLMS_Student instance.
	 * @param array        $restrictions Restriction data from `llms_page_restricted()`.
	 */
	do_action( 'llms_sd_my_grades_table_content_' . $id, $lesson, $student, $restrictions );

	$html = ob_get_clean();

	/**
	 * Filters the HTML returned by llms_sd_my_grades_table_content().
	 *
	 * @since 6.0.0
	 *
	 * @param string       $html         The cell HTML.
	 * @param string       $id           Key of the table cell.
	 * @param LLMS_Lesson  $lesson       LLMS_Lesson.
	 * @param LLMS_Student $student      LLMS_Student.
	 * @param array        $restrictions Restriction data from `llms_page_restricted()`.
	 */
	return apply_filters( 'llms_sd_my_grades_table_content', $html, $id, $lesson, $student, $restrictions );

}