A minimal example about WordPress object cache
Today, I need to do the same database query (WP Query) multiple times within a single page rendering. To reduce server overload, I tried to store the first query result into WordPress default object cache & then the upcoming fetches are performed from the cache.
function wp_object_cache_sample_function() {
$key = "your_cache_key";
if ( ! $query = wp_cache_get($key) ) {
$args = array(
'post_type' => 'services',
'post_status' => 'publish',
'posts_per_page' => 8,
'orderby’ => 'title',
'order’ => 'ASC',
);
$query = new WP_Query($args);
wp_cache_set($key,$query,'',3600);
}
return $query;
}
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