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Details about wp_resource_hints

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Filename Hook Type Line Number PHP Doc
wp-includes/general-template.php apply_filters 3495 /**
* Filters domains and URLs for resource hints of relation type.
* @since 4.6.0
* @since 4.7.0 The `$urls` parameter accepts arrays of specific HTML attributes
* as its child elements.
* @param array $urls {
* Array of resources and their attributes, or URLs to print for resource hints.
* @type array|string ...$0 {
* Array of resource attributes, or a URL string.
* @type string $href URL to include in resource hints. Required.
* @type string $as How the browser should treat the resource
* (`script`, `style`, `image`, `document`, etc).
* @type string $crossorigin Indicates the CORS policy of the specified resource.
* @type float $pr Expected probability that the resource hint will be used.
* @type string $type Type of the resource (`text/html`, `text/css`, etc).
* }
* }
* @param string $relation_type The relation type the URLs are printed for,
* e.g. 'preconnect' or 'prerender'.

Hook Parameters

Parameter Type Name Description
array $url s {
string $relation_type The relation type the URLs are printed for,