Show data from codestar framework

<?php get_header(); ?>

	<?php while( have_posts()): the_post();
		
	
		
		if(get_post_meta(get_the_ID(), 'neuron_work_meta', true )){
			$work_meta = get_post_meta(get_the_ID(), 'neuron_work_meta', true );
		}else{
			$work_meta = array();
		}
		
		if(array_key_exists('sub_title', $work_meta)){
			$sub_title = $work_meta['sub_title'];
		}else{
			$sub_title = '';
		}

		if(array_key_exists('big_preview_image', $work_meta)){
			$big_preview_image = $work_meta['big_preview_image'];
		}else{
			$big_preview_image = '';
		}

		if(array_key_exists('link_text', $work_meta)){
			$link_text = $work_meta['link_text'];
		}else{
			$link_text = 'Visit website';
		}

		if(array_key_exists('link', $work_meta)){
			$link = $work_meta['link'];
		}else{
			$link = '';
		}

		if(array_key_exists('informations', $work_meta)){
			$informations = $work_meta['informations'];
		}else{
			$informations = '';
		}


	?>


	<!-- ::::::::::::::::::::: Page Title Section:::::::::::::::::::::::::: -->
		<section <?php if(has_post_thumbnail()): ?> style="background-image: url(<?php the_post_thumbnail_url('large'); ?>)" <?php endif; ?>class="page-title">
			<div class="container">
				<div class="row">
					<div class="col-md-12">
						<!-- breadcrumb content -->
						<div class="page-breadcrumbd">
							<h2><?php the_title(); ?></h2>
							<p><a href="<?php echo site_url();  ?>">Home</a> /<?php the_title(); ?></p>
						</div><!-- end breadcrumb content -->
					</div>
				</div>
			</div>
		</section><!-- end breadcrumb -->
	
	
	
		<!-- start portfolio single -->
		<section class="single-portfolio-wrapper section-padding">
			<div class="container">
				<div class="row">
					<div class="col-md-8">
						<!-- single portfolio images -->
						<div class="single-portfolio-images">
						<?php
							$portfolio_preview= wp_get_attachment_image_src($big_preview_image, 'large');
						
						?>
						<?php if(!empty($big_preview_image)): ?>
							<img class="img-responsive" src="<?php echo $portfolio_preview[0] ; ?>" alt="" />
						<?php else:?>
						<?php the_post_thumbnail('large'); ?>
						<?php endif; ?>
						
						</div>
					</div>
					<div class="col-md-4">
						<!-- single portfolio info -->
						<div class="single-portfolio-inner">
							<header class="single-portfolio-title">
								<?php echo $sub_title; ?>
							</header>
							<div class="portfolio-details-panel">
								<?php the_content(); ?>
								
								<ul class="portfolio-meta">
								
								<?php if(!empty($informations) ): foreach($informations as $information): ?>
									<li><span> <?php echo $information['title']; ?> </span> <?php echo $information['value']; ?></li>
								
								<?php endforeach; endif; ?>
								
									<li><span> Share </span> <a href="#"><i class="fa fa-facebook"></i></a> <a href="#"><i class="fa fa-twitter"></i></a> <a href="#"><i class="fa fa-google-plus"></i></a> <a href="#"><i class="fa fa-pinterest"></i></a></li>
								</ul>
							</div>
							<?php if(!empty($link)):?>
							<a class="btn btn-primary" href="<?php echo $link; ?>"> <?php echo $link_text; ?> </a>
							<?php endif; ?>
						</div>
					</div>
				</div>
			</div>
		</section>
		<!-- start portfolio single -->
	<?php endwhile; ?>
		
<?php get_footer(); ?>