WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2854 | 'prefetch' => array(), |
| 2855 | 'prerender' => array(), |
| 2856 | ); |
| 2857 | |
| 2858 | /* |
| 2859 | * Add DNS prefetch for the Emoji CDN. |
| 2860 | * The path is removed in the foreach loop below. |
| 2861 | */ |
| 2862 | /** This filter is documented in wp-includes/formatting.php */ |
| 2863 | $hints['dns-prefetch'][] = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2.3/svg/' ); |
| 2864 | |
| 2865 | foreach ( $hints as $relation_type => $urls ) { |
| 2866 | $unique_urls = array(); |
| 2867 | |
| 2868 | /** |
| 2869 | * Filters domains and URLs for resource hints of relation type. |
| 2870 | * |
| 2871 | * @since 4.6.0 |
| 2872 | * |