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update_post_thumbnail_cache › WordPress Function
Since3.2.0
Deprecatedn/a
› update_post_thumbnail_cache ( $wp_query = null )
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Defined at: |
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Codex: |
Updates cache for thumbnails in the current loop.
Related Functions: update_postmeta_cache, update_post_cache, update_post_author_caches, update_post_caches, the_post_thumbnail
Source
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; }