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Hide a repeating audio field when empty

Hi I am trying to hide a repeating audio field when empty and can’t get it right. Please can someone help. This is the code in the loop-index.php

$story_audio = '<div class="story-audio">';
$story_audio .=  '<span><strong>Audio / Voice recordings: </br></strong></span>';
	if( have_rows('voice') ): while ( have_rows('voice') ) : the_row();
	$file = get_sub_field('voice_recording');
	$story_audio .='<a href="'. $file['url'].'" target="_blank">'.$file['title'].'</a></br>';

	endwhile; else : endif;
$story_audio .= '</div>';
if (function_exists('zbp_content')) {
		$story_audio = zbp_content($story_audio);
}
$content_output .= $story_audio;
$content_output .= '<div class="story-links">';
$content_output .=  '<span></br><strong>Links to related web content / sources: </br></strong></span>';
	if( have_rows('sources') ): while ( have_rows('sources') ) : the_row();
	$content_output .='<a href="'. get_sub_field('link_url').'" target="_blank">'.get_sub_field('site').'</a></br>';
	endwhile; else : endif;
$content_output .= '</div>';
	endif;

Thanks
Rob

Hi @fanlokbun

You could make use of a conditional on this line to check if a value exists:

$file = get_sub_field('voice_recording');
if($file){
	$story_audio .='<a href="'. $file['url'].'" target="_blank">'.$file['title'].'</a></br>';
//set all the logic within this
}

- fanlokbun
- March 27, 2017 at 8:38 pm
Thank you very much James. I’m a bit green at this. I can’t seem to get it right. What would be the logic needed to hide if empty?
Thanks again
Rob
- James
- March 29, 2017 at 2:01 am
Hi @fanlokbun ,

Thanks for the follow up.

By simply executing the code inside the if control where the voice recording is not empty, it means that the link will only show when its not empty otherwise hidden.

If you are still not sure, feel free to let me know.

That’s what I thought. I must have done something wrong in the code. This is the code with the if statement. Can you see why it doesn’t hide when empty?
Thanks
Rob

$story_audio = '<div class="story-audio">';
$story_audio .=  '<span><strong>Audio / Voice recordings: </br></strong></span>';
	if( have_rows('voice') ): while ( have_rows('voice') ) : the_row();
	$file = get_sub_field('voice_recording');
	if($file){
	$story_audio .='<a href="'. $file['url'].'" target="_blank">'.$file['title'].'</a></br>';
	//if statement added from ACF - set all the logic within this
	}

	endwhile; else : endif;
$story_audio .= '</div>';
if (function_exists('zbp_content')) {
		$story_audio = zbp_content($story_audio);
}
$content_output .= $story_audio;
$content_output .= '<div class="story-links">';
$content_output .=  '<span></br><strong>Links to related web content / sources: </br></strong></span>';
	if( have_rows('sources') ): while ( have_rows('sources') ) : the_row();
	$content_output .='<a href="'. get_sub_field('link_url').'" target="_blank">'.get_sub_field('site').'</a></br>';
	endwhile; else : endif;
$content_output .= '</div>';
endif;

- fanlokbun
- April 12, 2017 at 6:59 pm
Hi James, Have you had a chance to check my code yet?
Many thanks
Rob

Hi @fanlokbun

Apologies for the delay.

You need to remove the endif; at the bottom of your code.

This should work:

$story_audio = '<div class="story-audio">';
$story_audio .=  '<span><strong>Audio / Voice recordings: </br></strong></span>';
	if( have_rows('voice') ): while ( have_rows('voice') ) : the_row();
	$file = get_sub_field('voice_recording');
	if(get_sub_field('voice_recording')){
	$story_audio .='<a href="'. $file['url'].'" target="_blank">'.$file['title'].'</a></br>';
	//if statement added from ACF - set all the logic within this
	}

	endwhile; else : endif;
$story_audio .= '</div>';
if (function_exists('zbp_content')) {
		$story_audio = zbp_content($story_audio);
}
$content_output .= $story_audio;
$content_output .= '<div class="story-links">';
$content_output .=  '<span></br><strong>Links to related web content / sources: </br></strong></span>';
	if( have_rows('sources') ): while ( have_rows('sources') ) : the_row();
	$content_output .='<a href="'. get_sub_field('link_url').'" target="_blank">'.get_sub_field('site').'</a></br>';
	endwhile; else : endif;
$content_output .= '</div>';

Hi James,
I tried just removing the endif; but it broke the page. This is all the code added to the loop-index. What I want is any empty field to be hidden. I concentrated on the voice audio because there are very few so it is most important to hide.
Thanks
Rob

// BEGIN CHRIS CUSTOM
                $content_output  =  '<div class="entry-content" '.avia_markup_helper(array('context' => 'entry_content','echo'=>false)).'>';
                $content_output .=  $content;

if($current_post['post_type'] == "story"):

                $date = get_field('contributed_on'); 
                $y = substr($date, 0, 4);
                $m = substr($date, 4, 2);
                $d = substr($date, 6, 2);
                $time = strtotime("{$d}-{$m}-{$y}");
                $images = get_field('image_gallery');

				/* $content_output .= '<div class="story-id">';
				$content_output .=  '<span><strong>Story ID: </strong></span>'.get_post_meta( $post->ID, 'story_id', true).
				'</br>';
                $content_output .= '</div>';
				
				$content_output .= '<div class="story-contributor">';
                $content_output .=  '<span><strong>Contributor: </strong></span>'.get_post_meta( $post->ID, 'contributor', true).'</br>';
                $content_output .= '</div>';
                
				$content_output .= '<div class="story-date">';
				$content_output .=  '<span><strong>Contributed on: </strong></span>'.date('F dS Y', $time).'</br>';
                $content_output .= '</div>';
				
				$content_output .= '<div class="story-permission">';
				$content_output .=  '<span><strong>Permission to publish: </strong></span>'.get_post_meta( $post->ID, 'permission', true).'</br>';
				$content_output .= '</div>'; */
               
			   $content_output .= '<div class="story-surname">';
			   $content_output .=  '<span><strong>Surname: </strong></span>'.get_post_meta( $post->ID, 'persons_surname', true).'</br>';
			   $content_output .= '</div>';

			   $content_output .= '<div class="story-other-names">';
			   $content_output .=  '<span><strong>Other names: </strong></span>'.get_post_meta( $post->ID, 'other_names', true).'</br>';
			   $content_output .= '</div>';

               $content_output .= '<div class="story-related">';
               $content_output .=  '<span><strong>Other people in this story: </br></strong></span>';
					if( have_rows('related_people') ): while ( have_rows('related_people') ) : the_row();
					$content_output .=  get_sub_field('first_name').' '.get_sub_field('surname').'</br>';
					endwhile; else : endif;
               $content_output .= '</div>';

			   $content_output .= '<div class="story-places">';
               $content_output .=  '<span><strong>Locations in this story: </br></strong></span>';
					if( have_rows('place') ): while ( have_rows('place') ) : the_row();
					$content_output .=  get_sub_field('place').'</br>';
					endwhile; else : endif;
				$content_output .= '</div>';

				$content_output .= '<div class="story-text">';
				$content_output .=  '<span></br><strong>Story: </br></strong></span>'.get_post_meta( $post->ID, 'story', true).'</br>';
				$content_output .= '</div>';

				$content_output .= '<div class="story-images">';
				$content_output .=  '<span></br><strong>Images: </br></strong></span>';
					if( $images ): 
					$content_output .=  '<ul>';
						foreach( $images as $image ):
						$content_output .= '<li>';
						$content_output .= '<a class="lightbox" href="'.  $image['url'].'">';
						$content_output .= '<img src="'. $image['sizes']['thumbnail'].'" alt="'.  $image['alt'].'" title="'. $image['title'].'" />';
						$content_output .= '</a>';
						$content_output .= '</li>';
						endforeach;
					$content_output .= '</ul>';
					endif; 
				$content_output .= '</div>';

				$story_audio = '<div class="story-audio">';
				$story_audio .=  '<span><strong>Audio / Voice recordings: </br></strong></span>';
					if( have_rows('voice') ): while ( have_rows('voice') ) : the_row();
					$file = get_sub_field('voice_recording');
					if($file){
					$story_audio .='<a href="'. $file['url'].'" target="_blank">'.$file['title'].'</a></br>';
					//if statement added from ACF - set all the logic within this
					}

					endwhile; else : endif;
				$story_audio .= '</div>';
				if (function_exists('zbp_content')) {
						$story_audio = zbp_content($story_audio);
				}
				$content_output .= $story_audio;
				$content_output .= '<div class="story-links">';
				$content_output .=  '<span></br><strong>Links to related web content / sources: </br></strong></span>';
					if( have_rows('sources') ): while ( have_rows('sources') ) : the_row();
					$content_output .='<a href="'. get_sub_field('link_url').'" target="_blank">'.get_sub_field('site').'</a></br>';
					endwhile; else : endif;
				$content_output .= '</div>';
endif;

// END CHRIS CUSTOM

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