/** * Returns a string containing a HTML meta tag for the WCPP-detection procedure. * * The meta tag X-UA-Compatible is generated for Internet Explorer (IE) 10 or greater to emulate IE9. * If this meta tag is not generated, then IE10 or greater will display some unwanted dialog box to * the user when the WCPP-detection script is executed. * * @return string A string containing a HTML meta tag for the WCPP-detection procedure. */ public static function getWcppDetectionMetaTag() { return Utils::isIE10orGreater() ? '<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE9" />' : ''; }