mod.php

function comments_all_func( $atts ){
	extract( shortcode_atts( array(
		'category' => ''
	), $atts ) );

	$categories = explode( ',', $atts['category'] );

	$taxq = array(
		#'posts_per_page' => 6,
		'post_type' => 'wpm-testimonial',
		'post_status' => 'publish',
		'tax_query' => array(
			array(
				'taxonomy' => 'wpm-testimonial-category',
				'field' => ( is_string($category) ) ? 'slug' : 'id',
				'terms' => $categories
			),
		),
	);
	$query = new WP_Query($taxq);
	$count_on_page = 3;
	$quantity_posts = count($query->posts);
	ob_start();
	echo "<pre>";
	var_dump($query);
	echo "</pre>";
	// Цикл
	if ( $query->have_posts() ) :
	?>
				<div id="carousel-review" class="carousel slide hidden-xs hidden-sm cr1 wow fadeInRightBig" data-ride="carousel" data-wow-duration="2s">
					<div class="carousel-main">
						<div class="carousel-inner" role="listbox">
							<?php
							$i=0;
							while ( $query->have_posts() ) :
							$query->the_post();
							$content = strip_tags( get_the_content() );
							$age = get_metadata( 'post', get_the_ID(), 'age', true );
							$company = get_metadata( 'post', get_the_ID(), 'company_name', true );
							$i++;
							$mod = $i % $count_on_page;
							if ($mod == 1 && $i==1):
							?>
							<div class="item active">
								<div class="tooltip-container">
									<?php elseif(	$mod == 1 && $i!=1 ): ?>
									<div class="item">
										<div class="tooltip-container">
											<?php endif; ?>
											<div class="rezen-wrapper col-md-4">
												<div class="first">
													<div class="main-tooltip">
														<p class="review-text-full"><?= $content; ?></p>
														<p class="date"><?php the_date(); ?></p>
														<a href="#" class="mehr">Mehr</a>
													</div>
													<h3><?php echo get_the_author() . ', ' . $age . ', ' . $company; ?></h3>
												</div>
											</div>
											<?php if (($mod == 0) || ($i == $quantity_posts )):?>
										</div>
									</div>
								<?php endif;
								endwhile;
								?>

								</div>
								<a class="left carousel-control" href="#carousel-review" data-slide="prev">
									<img src="/wp-content/themes/mrt-theme/images/arrow-gray-left.png" alt="arrow-left" />
								</a>
								<a class="right carousel-control" href="#carousel-review" data-slide="next">
									<img src="/wp-content/themes/mrt-theme/images/arrow-gray-right.png" alt="arrow-right" />
								</a>
							</div>
						</div>

		<?php endif;
		/* Возвращаем оригинальные данные поста. Сбрасываем $post. */
		wp_reset_postdata();
		$output = ob_get_contents();
		ob_end_clean();
		return $output;
}
add_shortcode('comments_all','comments_all_func');
#[comments_slider category='']