Index Table – Indexing ACF repeater field titles and contents - Knowledge Base

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Index Table – Indexing ACF repeater field titles and contents

 Using this custom code, you can enable indexing of Advanced Custom Fields repeater field post titles and/or contents for the current post. Change the following variables in the code as you need them
$field_names -> one or more repeater field names, separated by comma
$index_title -> true or false, to index the post titles found in the repeater field
$index_content -> true or false, to index the post contents found in the repeater field
​What is this, and where do I put this custom code?​
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add_filter('asp_index_cf_contents_before_tokenize', 'asp_post_content_before_add_acf_relationship', 10, 2);
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function asp_post_content_before_add_acf_relationship($content, $post) {
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    $field_names = 'field1, field2'; // Comma separated list of field names
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    $index_title = true;      // To index the related post title
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    $index_content = true;    // To index the related post content
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    $run_shortcodes = true;   // To run shortcodes within Flex element contents
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    // ----------------------------------------------------------------
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    if ( function_exists('get_field') ) {
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       $fn_arr = explode(',', $field_names);
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       foreach ($fn_arr as $field_name) {
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           $field_name = trim($field_name);
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           if ( empty($field_name) )
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               continue;
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            $args = array(
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              'p'         => $post->ID, // ID of a page, post, or custom type
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              'post_type' => 'any'
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            );
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            $my_query = new WP_Query( $args );
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            while ( $my_query->have_posts() ) : $my_query->the_post();
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                $items = get_field($field_name);
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                if ( empty($items) )
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                  continue;
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                if ( is_array($items) ) {
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                   foreach ($items as $item) {
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                      if ( isset($item->ID) ) {
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                          if ( $index_title ) {
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                              $content .= ' ' . get_the_title($item->ID);
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                          }
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                          if ( $index_content ) {
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                              $content .= ' ' . apply_filters('the_content', get_post_field('post_content', $item->ID));
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                          }
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                      } else if ( is_array($item) || is_string($item) ) {
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                        if ( $run_shortcodes )  
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                            $content .= ' ' . do_shortcode( wd_array_to_string($item));
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                        else
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                            $content .= ' ' . wd_array_to_string($item);
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                      }
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                   }
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                } else if ( is_string($items) ) {
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                   $content .= ' ' . $items;
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                }
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            endwhile;
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       }
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    }
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    return $content;
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}
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