wordpress - ACF plugin relationship field, if no value in nav tab,want to hide the tab -


i using bootstrap nav tab , acf custom field in wp theme. want hide nav tab if there no value in relation. how that? below code-- want hide compatible tab, if relation dont return value

<!-- nav tabs -->     <ul class="nav nav-tabs nav-justified" role="tablist">     <li role="presentation" class="active"><a href="#home" aria-controls="overview" role="tab" data-toggle="tab">overview</a></li>     <li role="presentation"><a href="#compatibility" aria-controls="compatibility" role="tab" data-toggle="tab"> compatibility </a></li>     <li role="presentation"><a href="#datasheet" aria-controls="datasheet" role="tab" data-toggle="tab">datasheet</a></li>     <li role="presentation"><a href="#order" aria-controls="order" role="tab" data-toggle="tab">order</a></li>     </ul>      <!-- tab panes -->     <div class="tab-content">         <div role="tabpanel" class="tab-pane fade in active" id="home">             <div role="tabpanel" class="tab-pane fade" id="compatibility">                 <?php                   $posts = get_field('compatible_with');                   if( $posts ): ?>                     <ul>                     <?php foreach( $posts $p ): // variable must not called $post (important) ?>                     <li>                     <a href="<?php echo get_permalink( $p->id ); ?>" rel="</a>                     <a href="<?php echo get_permalink( $p->id ); ?>"><?php echo get_the_title( $p->id ); ?></a>                     </li>                     <?php endforeach; ?>                 </ul>             <?php endif; ?>              </div>             <div role="tabpanel" class="tab-pane fade" id="datasheet"></div>             <div role="tabpanel" class="tab-pane fade" id="order"></div>                                 </div>                              </div>                           </div>                      </div>                  </div>

i want use function 

if( count( get_field('compatible_with') ) > 0 ) :

any ways using these 2 lines of code, sorted out problem

<?php if( get_field('compatible_with') ): ?> <li role="presentation"><a href="#compatibility" aria-controls="compatibility" role="tab" data-toggle="tab"> compatibility </a></li>     <?php endif; ?>

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