httpclient:head($url as xs:anyURI, $persist as xs:boolean, $request-headers as element()?) item()
Performs a HTTP HEAD request. This method returns the HTTP response encoded as an XML fragment, that looks as follows: <httpclient:response xmlns:httpclient="http://exist-db.org/xquery/httpclient" statusCode="200"><httpclient:headers><httpclient:header name="name" value="value"/>...</httpclient:headers></httpclient:response>
$url
The URL to process
$persist
The to indicate if the cookies persist for the query lifetime
$request-headers
Any HTTP Request Headers to set in the form <headers><header name="" value=""/></headers>
