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update_post_thumbnail_cache › WordPress Function

Da3.2.0
Deprecaton/a
› update_post_thumbnail_cache ( $wp_query = null )
Parametri:
  • (WP_Query) $wp_query Optional. A WP_Query instance. Defaults to the $wp_query global.
    Richiesto: No
    Default: null
Definito a:
Codex:

Updates cache for thumbnails in the current loop.



Funzioni correlate: update_postmeta_cache, update_post_cache, update_post_author_caches, update_post_caches, the_post_thumbnail

Sorgenti 

function update_post_thumbnail_cache( $wp_query = null ) {
	if ( ! $wp_query ) {
		$wp_query = $GLOBALS['wp_query'];
	}

	if ( $wp_query->thumbnails_cached ) {
		return;
	}

	$thumb_ids = array();

	foreach ( $wp_query->posts as $post ) {
		$id = get_post_thumbnail_id( $post->ID );
		if ( $id ) {
			$thumb_ids[] = $id;
		}
	}

	if ( ! empty( $thumb_ids ) ) {
		_prime_post_caches( $thumb_ids, false, true );
	}

	$wp_query->thumbnails_cached = true;
}