original_string: public function isProjectInstalled()
      {
          if (isset($this->isProjectInstalled)) {
              return $this->isProjectInstalled;
          }
  
          return $this->isProjectInstalled = is_dir($this->home->homeDir() . DIRECTORY_SEPARATOR . 'vendor');
      }
code: public function isProjectInstalled()
      {
          if (isset($this->isProjectInstalled)) {
              return $this->isProjectInstalled;
          }
  
          return $this->isProjectInstalled = is_dir($this->home->homeDir() . DIRECTORY_SEPARATOR . 'vendor');
      }
code_tokens: public function isProjectInstalled ( ) { if ( isset ( $ this -> isProjectInstalled ) ) { return $ this -> isProjectInstalled ; } return $ this -> isProjectInstalled = is_dir ( $ this -> home -> homeDir ( ) . DIRECTORY_SEPARATOR . 'vendor' ) ; }
docstring: Check if the vendor directory is present.
  
  @return bool
docstring_tokens: Check if the vendor directory is present .