Bootstrap carousel shortcode snipate

function matter_slider_shortcode_function() {
	$wp_query = new WP_Query( array(
		'post_type' => 'wpb_main_slider',
		'orderby' => 'menu_order',
		'order' => 'ASC'
	));
	$wpb_slide_count = $wp_query->post_count;

	ob_start();
	?>
	<?php if ($wp_query->have_posts()){ ?>
		<div id="carousel-area">
			<div id="carousel-slider" class="carousel slide" data-interval="5000">
				<div class="carousel-inner">

					<?php while ($wp_query->have_posts()) : $wp_query->the_post();?>
					<?php global $post; ?>
					<?php $wpb_matter_slider_background = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'full' );?>

					<div class="item <?php if( $wp_query->current_post == 0 ):?>active<?php endif; ?>" style="background-image: url('<?php echo $wpb_matter_slider_background[0]; ?>');">

						<div class="carousel-caption">
								<h1 class="animated-late fadeInDown"><?php the_title();?></h1>
								<h2 class="animated-late fadeInLeft delay-1"><?php the_content();?></h2>
								<a class="btn btn-large btn-common-white animated fadeInDown delay-1-5" href="#"><i class="fa fa-check"></i> Get Started</a>
								<a class="btn btn-border btn-large animated fadeInDown delay-1-8" href="#"><i class="fa fa-coffee"></i> Learn More</a>

						</div>
					</div>

					<?php endwhile; ?>

				</div>


				<?php if($wpb_slide_count > 1):?>

					<a class="left carousel-control animated fadeInLeft" href="#carousel" data-slide="prev"><img src="<?php echo get_template_directory_uri();?>			/img/slider/btn-prev.png" alt="previuos button"></a>
					<a class="right carousel-control animated fadeInRight" href="#carousel" data-slide="next"><img src="<?php echo get_template_directory_uri();?>/img/slider/btn-next.png" alt="next button"></a>

				<?php endif; ?>
			</div>
		</div>

		<?php
		}
		else{
			_e( '<h2>'.'No Post Found For Slider.'.'</h2>', 'wpb_theme' );
		}
		wp_reset_postdata();  // Reset
	return ob_get_clean();
}

function matter_slider_register_shortcodes(){
	add_shortcode('matter-slider', 'matter_slider_shortcode_function');
}

add_action( 'init', 'matter_slider_register_shortcodes');