wp-script.php

<?php $args = array('post_type' => 'proyecto', 'tag' => 'actual'); ?>
<?php $loop = new WP_Query($args); ?>
<?php if ( $loop->have_posts() ) : while ( $loop->have_posts() ) : $loop->the_post(); $postid=the_ID();?>

<div class="modal fade" id="myModal-<? the_ID(); ?>" tabindex="-1" role="dialog" aria-hidden="true">
<div class="modal-dialog" role="document">
    <div class="modal-content">
        <?php
            echo get_post_meta($postid, 'proyecto', true);
        ?>
        <div class="modal-header">
            <h5 class="modal-title" id="exampleModalLabel"><?php the_field('project_name'); ?></h5>
            <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                <span aria-hidden="true">&times;</span>
            </button>
        </div>
        <div class="modal-body" id="modBody">
            <?php the_field('project_video');?>
        </div>
     </div>
</div>
</div>

<?php endwhile; ?>
<?php else: ?>
<h1>No posts here!</h1>
<?php endif; ?>