/** * undocumented function * * @param string $url * @return array * @link http://www.oexchange.org/spec/#discovery-page */ public static function page($url) { $htmlDocument = new DOMDocument(); $loaded = @$htmlDocument->loadHTML(self::_retrieve($url)); if (!$loaded) { throw new OExchange_Exception("Failed to load {$url}"); } $xpath = new DOMXpath($htmlDocument); $expression = "/html/head/link[@rel='" . self::OEXCHANGE_RELATED_TARGET_REL . "']"; $links = $xpath->query($expression); $targets = array(); foreach ($links as $link) { $serviceXRD = XRD_Document::fromString(self::_retrieve($link->getAttribute('href'))); $targets[] = OExchange_Target::fromXRD($serviceXRD); } return $targets; }