original_string: public function attempt(array $credentials)
      {
          if (! $this->auth->byCredentials($credentials)) {
              return false;
          }
  
          return $this->fromUser($this->user());
      }
code: public function attempt(array $credentials)
      {
          if (! $this->auth->byCredentials($credentials)) {
              return false;
          }
  
          return $this->fromUser($this->user());
      }
code_tokens: public function attempt ( array $ credentials ) { if ( ! $ this -> auth -> byCredentials ( $ credentials ) ) { return false ; } return $ this -> fromUser ( $ this -> user ( ) ) ; }
docstring: Attempt to authenticate the user and return the token.
  
  @param  array  $credentials
  
  @return false|string
docstring_tokens: Attempt to authenticate the user and return the token .