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Source View: wp_resource_hints

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Line Code
3335            *                                   (`script`, `style`, `image`, `document`, etc).
3336            *         @type string $crossorigin Indicates the CORS policy of the specified resource.
3337            *         @type float  $pr          Expected probability that the resource hint will be used.
3338            *         @type string $type        Type of the resource (`text/html`, `text/css`, etc).
3339            *     }
3340            * }
3341            * @param string $relation_type The relation type the URLs are printed for,
3342            *                              e.g. 'preconnect' or 'prerender'.
3343            */
3344           $urls = apply_filters( 'wp_resource_hints', $urls, $relation_type );
3345
3346           foreach ( $urls as $key => $url ) {
3347                $atts = array();
3348
3349                if ( is_array( $url ) ) {
3350                     if ( isset( $url['href'] ) ) {
3351                          $atts = $url;
3352                          $url  = $url['href'];
3353                     } else {