Hi,
I’m attempting to create a query to find any Case Studies (a Custom Post Type) that are selected via the page. This is my first time using the Taxonomy field, and although it works, I get the error in Debug mode “Warning: Invalid argument supplied for foreach() in…”. I’ve followed a few suggestions to fix that, but they don’t show any results.
My Field Page
<img src="https://postimg.cc/D4GNVRYQ" alt="" />
My Code
<?php
foreach($case_study_category as $cs) { $cs = get_category($cs); }
$args = array(
'post_type' => 'case-study',
'posts_per_page' => 9,
'post_status' => 'publish',
'orderby' => 'publish_date',
'category__in' => array($case_study_category),
);
$study_query = new WP_Query( $args);
if ( $study_query->have_posts() ) {
?>
<div class="post-grid post-grid--scroll-mob">
<?php
while ( $study_query->have_posts() ) {
$study_query->the_post();
$name_title = get_field('name_title');
?>
<a>" class="post-block f-rounded-bottom-lg mob-center-fix">
<?php if(has_post_thumbnail()) {
the_post_thumbnail('case-study', array('class' => 'post-image post-image--featured', 'alt' => $name_title));
} else {
?>
<img src="https://placehold.co/1232x924" />
<?php } ?>
<span class="post-block__text box-pad-xs d-block">
<h5 class="font-inter color-black weight-600 text-scale-sm mb-0"><?php echo the_title(); ?></h5>
<?php if( ($name_title) ) : ?><h6 class="post-sub-title font-quicksand color-blue text-uppercase weight-600 mb-0 text-scale-mini"><?php echo $name_title; ?></h6>
</span><?php endif; ?>
</a>
<?php
}
?>
</div>
<?php
wp_reset_postdata();
} else {
?>
<p class="color-brown">There are currently no Case Studies to show associated with this service.</p>
<?php
}
?>
As there’s no option to preview a post before submitting, and strangely no option to Edit a post once approved, this topic is pretty useless due to the way the formatting has been output and the image isn’t showing either for reasons I’m not sure of.
I can’t even delete it and create a new version by the looks.
Since this is your only foreach I have to assume this is what’s causing the error
foreach($case_study_category as $cs) { $cs = get_category($cs); }
How are you populating the variable $case_study_category?
Ah yes the block is wrapped inside a
<?php
$case_study_category = get_field('case_study_category');
if( ($case_study_category) ) :
?>
...
<?php endif; ?>
The field is Taxonomy (Category)
Return Value: Term ID
Screen here of field page: https://postimg.cc/D4GNVRYQ
it is a radio field and may be returning only a single term, not an array. In this case you would not need a foreach loop.
