You could do that by manipulating the sql "WHERE" clause.
WP_Query
WP_Query
functions.php
like so:function related_products_title_filter($where, $wp_query)
{
global $wpdb;
if ($searched_term = $wp_query->get('my_custom_search_filter_title')) {
$where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'%' . esc_sql(like_escape($searched_term)) . '%\'';
}
return $where;
}
$knowledge_args = array(
'my_custom_search_filter_title' => $product_search, // This is the custom argument that our function is looking for
'post_type' => 'knowledge_hub',
'fields' => 'ids',
'posts_per_page' => -1,
'meta_query' => array(
array(
'key' => $related_product,
'value' => $product_search,
'compare' => 'LIKE'
)
)
);
WP_Query
:add_filter('posts_where', 'related_products_title_filter', 10, 2);
WP_Query
remove_filter('posts_where', 'related_products_title_filter', 10, 2);
So your entire code would be something like this:
function related_products_title_filter($where, $wp_query)
{
global $wpdb;
if ($searched_term = $wp_query->get('my_custom_search_filter_title')) {
$where .= ' AND ' . $wpdb->posts . '.post_title LIKE \'%' . esc_sql(like_escape($searched_term)) . '%\'';
}
return $where;
}
$product_search = sanitize_text_field($_GET['s']);
$related_product = get_field( 'related_products' );
$knowledge_args = array(
'my_custom_search_filter_title' => $product_search,
'post_type' => 'knowledge_hub',
'fields' => 'ids',
'posts_per_page' => -1,
'meta_query' => array(
array(
'key' => $related_product,
'value' => $product_search,
'compare' => 'LIKE'
)
)
);
add_filter('posts_where', 'related_products_title_filter', 10, 2);
$relatedProductArticles = new WP_Query($knowledge_args);
remove_filter('posts_where', 'related_products_title_filter', 10, 2);
Let me know if you were able to get it to work!
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