original_string: final public function lookupUser(Userinfo $exsistinginfo)
  	{
  		$user = null;
  		if ($exsistinginfo) {
  			//initialise some vars
  			$db = Factory::getDBO();
  
  			$query = $db->getQuery(true)
  				->select('b.userid, b.username, b.email')
  				->from('#__jfusion_users AS a')
  				->innerJoin('#__jfusion_users AS b ON a.id = b.id')
  				->where('b.jname = ' . $db->quote($this->getJname()))
  				->where('a.jname = ' . $db->quote($exsistinginfo->getJname()));
  
  			$search = array();
  			if (isset($exsistinginfo->userid)) {
  				$search[] = 'a.userid = ' . $db->quote($exsistinginfo->userid);
  			}
  			if (isset($exsistinginfo->username)) {
  				$search[] = 'a.username = ' . $db->quote($exsistinginfo->username);
  			}
  			if (isset($exsistinginfo->email)) {
  				$search[] = 'a.email = ' . $db->quote($exsistinginfo->email);
  			}
  			if (!empty($search)) {
  				$query->where('( ' . implode(' OR ', $search) . ' )');
  				$db->setQuery($query);
  				$result = $db->loadObject();
  
  				if ($result) {
  					$user = new Userinfo($this->getJname());
  					$user->bind($result);
  				}
  			}
  		}
  		return $user;
  	}
code: final public function lookupUser(Userinfo $exsistinginfo)
  	{
  		$user = null;
  		if ($exsistinginfo) {
  			//initialise some vars
  			$db = Factory::getDBO();
  
  			$query = $db->getQuery(true)
  				->select('b.userid, b.username, b.email')
  				->from('#__jfusion_users AS a')
  				->innerJoin('#__jfusion_users AS b ON a.id = b.id')
  				->where('b.jname = ' . $db->quote($this->getJname()))
  				->where('a.jname = ' . $db->quote($exsistinginfo->getJname()));
  
  			$search = array();
  			if (isset($exsistinginfo->userid)) {
  				$search[] = 'a.userid = ' . $db->quote($exsistinginfo->userid);
  			}
  			if (isset($exsistinginfo->username)) {
  				$search[] = 'a.username = ' . $db->quote($exsistinginfo->username);
  			}
  			if (isset($exsistinginfo->email)) {
  				$search[] = 'a.email = ' . $db->quote($exsistinginfo->email);
  			}
  			if (!empty($search)) {
  				$query->where('( ' . implode(' OR ', $search) . ' )');
  				$db->setQuery($query);
  				$result = $db->loadObject();
  
  				if ($result) {
  					$user = new Userinfo($this->getJname());
  					$user->bind($result);
  				}
  			}
  		}
  		return $user;
  	}
code_tokens: final public function lookupUser ( Userinfo $ exsistinginfo ) { $ user = null ; if ( $ exsistinginfo ) { //initialise some vars $ db = Factory :: getDBO ( ) ; $ query = $ db -> getQuery ( true ) -> select ( 'b.userid, b.username, b.email' ) -> from ( '#__jfusion_users AS a' ) -> innerJoin ( '#__jfusion_users AS b ON a.id = b.id' ) -> where ( 'b.jname = ' . $ db -> quote ( $ this -> getJname ( ) ) ) -> where ( 'a.jname = ' . $ db -> quote ( $ exsistinginfo -> getJname ( ) ) ) ; $ search = array ( ) ; if ( isset ( $ exsistinginfo -> userid ) ) { $ search [ ] = 'a.userid = ' . $ db -> quote ( $ exsistinginfo -> userid ) ; } if ( isset ( $ exsistinginfo -> username ) ) { $ search [ ] = 'a.username = ' . $ db -> quote ( $ exsistinginfo -> username ) ; } if ( isset ( $ exsistinginfo -> email ) ) { $ search [ ] = 'a.email = ' . $ db -> quote ( $ exsistinginfo -> email ) ; } if ( ! empty ( $ search ) ) { $ query -> where ( '( ' . implode ( ' OR ' , $ search ) . ' )' ) ; $ db -> setQuery ( $ query ) ; $ result = $ db -> loadObject ( ) ; if ( $ result ) { $ user = new Userinfo ( $ this -> getJname ( ) ) ; $ user -> bind ( $ result ) ; } } } return $ user ; }
docstring: Returns the userinfo data for JFusion plugin based on the userid
  
  @param Userinfo $exsistinginfo     user info
  
  @return Userinfo|null returns user login info from the requester software or null
docstring_tokens: Returns the userinfo data for JFusion plugin based on the userid