Sort Posts by ACF Repeater Field Using Multidimensional Array
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
// Create an empty array for storage | |
$post_data = array(); | |
// Set arguments for your query | |
$args = array( | |
'post_type' => 'trips', | |
'posts_per_page' => 999 | |
); | |
// Do our query with any arguments from above | |
$query = new WP_Query( $args ); | |
if ( $query->have_posts() ) | |
{ | |
while ( $query->have_posts() ) | |
{ | |
$query->the_post(); | |
// Setup our repeater | |
if( have_rows('trip_info') ): | |
while ( have_rows('trip_info') ) : the_row(); | |
// Optional - Only get posts that match a true false within our repeater | |
if ( get_sub_field('featured_trip') ) | |
{ | |
// Build our array with the data we need using key => value | |
$post_data[] = array( | |
'title' => get_the_title(), | |
'date' => get_sub_field('trip_date') | |
); | |
} | |
endwhile; | |
endif; | |
} | |
} | |
// Custom function to use in our sort to list the items by date | |
function subval_sort( $a, $b ) | |
{ | |
if ( $a['date'] == $b['date'] ) | |
return 0; | |
return $a['date'] < $b['date'] ? -1 : 1; | |
} | |
// Sort our multidimensional array by sub array value | |
usort( $post_data, 'subval_sort' ); | |
// We can now work our data normally through easy to access methods | |
foreach ( $post_data as $post ) | |
{ | |
echo $post['title'] . ' ' ; | |
echo $post['date']; | |
echo '<br/>'; | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
ntenhoedt commentedMay 7, 2022