public static function replaceHttpsUrls($value){

		// CDN resources
		$value = str_ireplace('http://cdn.prtl.eu', '//cdn.prtl.eu', $value);
		$value = str_ireplace('http://cdn2.prtl.eu', '//cdn2.prtl.eu', $value);
		$value = str_ireplace('http://studyportals-cdn2.imgix.net', '//studyportals-cdn2.imgix.net', $value);

		// Portal urls
		$value = str_ireplace('http://www.admissiontestportal.com', 'https://www.admissiontestportal.com', $value);
		$value = str_ireplace('http://www.preparationcoursesportal.com', 'https://www.preparationcoursesportal.com', $value);

		return $value; //NOSONAR
	}