WordPress shortcode for template and editor usage

wordpress-shortcode-for-template-and-editor-usage.php

<?php /* 
    Board of Directors.
    Template usage: <?php echo do_shortcode('[board_of_directors]'); ?>
    Editor usage: Add a shortcode: [board_of_directors]
*/

function board_of_directors_code() {
    
    if( have_rows('directors', 19) ) {
        while( have_rows('directors', 19) ) : the_row();

            $name           = get_sub_field('name', 19);
            $title          = get_sub_field('title', 19);
            $skill          = get_sub_field('skill', 19);
            $independent    = get_sub_field('independent', 19);
            $doar           = get_sub_field('doar', 19);

            if($independent) {
                $independence = 'Yes: ';
            } else {
                $independence == 'No: ';
            }
            
            $rows .= '<tr><td>' . $name . '</td><td>'  . $independence .  $title . '</td><td>' . $skill . '</td><td>' . $doar . '</td></tr>';

        endwhile;
        $table_start    = '<table><tr><th>Director</th><th>Independent</th><th>Skill</th><th>Appointment/resignation date</th></tr>';    
        $table_end      =  '</table>';

        return $table_start . $rows . $table_end;

    } else {
        /* Do nothing */
    }
} 
add_shortcode('board_of_directors', 'board_of_directors_code');