code: public function getLoginStartUrl($redirecturl) {
  		$linkedin = $this->getClient($redirecturl);
  		
  		$url = $linkedin->getLoginUrl(
  			array(
  				\LinkedIn\LinkedIn::SCOPE_BASIC_PROFILE, 
  				\LinkedIn\LinkedIn::SCOPE_EMAIL_ADDRESS
  				)
  			);
  		return $url;
  	}
docs: Returns linkedin login start auth process
  
  @param string $redirecturl URL where to redirect after login complete