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Changeset 17883


Ignore:
Timestamp:
05/12/2011 03:06:03 AM (9 years ago)
Author:
nacin
Message:

Cache post thumbnails in the loop. props garyc40, scribu, greuben. fixes #15447.

Location:
trunk/wp-includes
Files:
2 edited

Legend:

Unmodified
Added
Removed
  • trunk/wp-includes/post-thumbnail-template.php

    r15990 r17883  
    4949
    5050/**
     51 * Update cache for thumbnails in the current loop
     52 *
     53 * @sicne 3.2
     54 */
     55function update_post_thumbnail_cache() {
     56    global $wp_query;
     57
     58    if ( $wp_query->thumbnails_cached )
     59        return;
     60
     61    $thumb_ids = array();
     62    foreach ( $wp_query->posts as $post ) {
     63        if ( $id = get_post_thumbnail_id( $post->ID ) )
     64            $thumb_ids[] = $id;
     65    }
     66
     67    if ( ! empty ( $thumb_ids ) ) {
     68        get_posts( array(
     69                'update_post_term_cache' => false,
     70                'include' => $thumb_ids,
     71                'post_type' => 'attachment',
     72                'post_status' => 'inherit',
     73                'nopaging' => true
     74        ) );
     75    }
     76
     77    $wp_query->thumbnails_cached = true;
     78}
     79
     80/**
    5181 * Retrieve Post Thumbnail.
    5282 *
     
    6393    if ( $post_thumbnail_id ) {
    6494        do_action( 'begin_fetch_post_thumbnail_html', $post_id, $post_thumbnail_id, $size ); // for "Just In Time" filtering of all of wp_get_attachment_image()'s filters
     95        if ( in_the_loop() )
     96            update_post_thumbnail_cache();
    6597        $html = wp_get_attachment_image( $post_thumbnail_id, $size, false, $attr );
    6698        do_action( 'end_fetch_post_thumbnail_html', $post_id, $post_thumbnail_id, $size );
  • trunk/wp-includes/query.php

    r17810 r17883  
    12571257     */
    12581258    var $query_vars_changed = true;
     1259
     1260    /**
     1261     * Set if post thumbnails are cached
     1262     *
     1263     * @since 3.2
     1264     * @access public
     1265     * @var bool
     1266     */
     1267     var $thumbnails_cached = false;
    12591268
    12601269    /**
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