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<?php if( get_field('preparation') ): ?>
          
          <div class="blogExcerpt-excerpt">
            
           <?php  
            $prep = get_field('preparation'); 
            
            $prep = strip_tags($prep);
            
           // echo substr($prep,1);
            
            
            $prep   = substr($prep, 0, 100-3);
            $lastSpace = strrpos($prep, ' ');
            $prep   = substr($prep, 0, $lastSpace);
            $prep  .= '...';
            
            echo $prep;
           ?> 
            
          </div>
          <?php endif; ?>