<?php
 $custom_field = get_post_meta($post->ID, "secim", $single = true);
	if($custom_field !== '')
 {
echo'
<div class="arsiv">
		<a href="<?php the_field('pdf'); ?>" target="_blank"><img src="<?php the_field('resim'); ?>"/></a>
			<a href="<?php the_field('pdf'); ?>" target="_blank"><h2><?php the_title(); ?></h2></a>
			<p><?php echo kisalt($post->post_content, 150); ?>...</p>

                <a href="<?php the_field('pdf'); ?>" target="_blank" class="pdf">PDF</a>
		<a href="<?php the_field('solidworks'); ?>" target="_blank" class="solidworks">Solid</a>
		</div>';
 }
else
{
echo'
<div class="arsiv">
		<a href="<?php the_field('pdf'); ?>" target="_blank"><img src="<?php the_field('resim'); ?>"/></a>
			<a href="<?php the_field('pdf'); ?>" target="_blank"><h2><?php the_title(); ?></h2></a>
			<p><?php echo kisalt($post->post_content, 150); ?>...</p>
		</div>';
} 
?>