ぼうびろく

function custom_search($search, $wp_query) {

global $wpdb;

if (!$wp_query->is_search)

return $search;

if (!isset($wp_query->query_vars))

return $search;

$search_words = explode(' ', isset($wp_query->query_vars['s']) ? $wp_query->query_vars['s'] : '');

if ( count($search_words) > 0 ) {

$search = '';

foreach ( $search_words as $word ) {

if ( !empty($word) ) {

$search_word = '%' . esc_sql( $word ) . '%';

$search .= " AND (

{$wpdb->posts}.post_title LIKE '{$search_word}'

OR {$wpdb->posts}.post_content LIKE '{$search_word}'

OR {$wpdb->posts}.ID IN (

SELECT distinct post_id

FROM {$wpdb->postmeta}

WHERE meta_value LIKE '{$search_word}'

)

) ";

}

}

}

return $search;

}

add_filter('posts_search','custom_search', 10, 2);

<?php if(have_rows('親')): ?>

<?php while(have_rows('親')): the_row(); ?>

<?php the_sub_field('sub_field_name1'); ?>

<?php if(have_rows('子')): ?>

<?php while(have_rows('子')): the_row(); ?>

<?php the_sub_field('sub_field_name2'); ?>

<?php endwhile; ?>

<?php endif; ?>

<?php endwhile; ?>

<?php endif; ?>