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Source View: wp_resource_hints

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Line Code
2867
2868           /**
2869            * Filters domains and URLs for resource hints of relation type.
2870            *
2871            * @since 4.6.0
2872            *
2873            * @param array  $urls          URLs to print for resource hints.
2874            * @param string $relation_type The relation type the URLs are printed for, e.g. 'preconnect' or 'prerender'.
2875            */
2876           $urls = apply_filters( 'wp_resource_hints', $urls, $relation_type );
2877
2878           foreach ( $urls as $key => $url ) {
2879                $atts = array();
2880
2881                if ( is_array( $url ) ) {
2882                     if ( isset( $url['href'] ) ) {
2883                          $atts = $url;
2884                          $url  = $url['href'];
2885                     } else {