wp_safe_remote_head()

wp_safe_remote_head() — Retrieves the raw response from a safe HTTP request using the HEAD method. This function is ideal when the HTTP request is being made to an arbitrary URL. The URL, and every URL it redirects to, are validated with wp_http_validate_url() to avoid Server Side Request Forgery attacks (SSRF). The only supported protocols are http and https.

Inputs: $url (string): URL to retrieve. $args (array): Optional. Request arguments. Default empty array. See WP_Http::request() for information on accepted arguments.

Returns array|WP_Error: The response or WP_Error on failure. See WP_Http::request() for information on return value.