2
I think something like this should do the job:
$meta_query = array(
array(
'key' => 'foo',
'compare' => 'EXISTS',
),
);
$args = array(
'meta_query' => $meta_query
);
$query = new WP_Query( $args );
if ( $query->have_posts() ) {
while ( $query->have_posts() ) {
$query->the_post();
$...
1
You can check if the query returned any posts by doing $home_query->have_posts().
$home_query = new WP_Query( array('posts_per_page' => get_query_var('posts_per_page'),'paged' => $current_page ) );
if( !$home_query->have_posts() ){
// Do this if $home_query had no posts.
}
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