/** cancel subscription by user id */
function cancel_subscription()
{
    $pid = sprintf("%d", $_POST['pid']);
    if (empty($pid)) {
        return false;
    }
    // se as inscricoes estiverem encerradas apenas administradores podem cancelar
    if (!current_user_can('administrator') && !registration_is_open()) {
        return false;
    }
    if (current_user_can('administrator') || current_user_is_the_author($pid)) {
        if (delete_post_meta($pid, 'subscription_number')) {
            delete_post_meta($pid, 'subscription-valid');
            print 'true';
            die;
        }
    }
    print 'false';
    die;
}
							<?php 
                }
                ?>

							<input type="hidden" id="js-protocol-number" value="<?php 
                echo substr($subscription_number, 0, 8);
                ?>
" />
							
						<?php 
            }
            ?>
						
						<?php 
            if (current_user_is_the_author($pid) && registration_is_open()) {
                ?>
							<a  href="<?php 
                echo site_url('inscricoes/');
                ?>
" id="pid-<?php 
                echo $pid;
                ?>
" class="cancel-subscription"><i class="fa fa-pencil-square-o" title="<?php 
                _e('Reopen Subscription', 'historias');
                ?>
"></i>  Editar meu perfil de candidato(a)</a>
						<?php 
            }
            ?>
					<?php