original_string: public function update($package = null)
      {
          if (! is_null($package)) {
              $package = '"'.$package.'"';
          }
          $process = $this->getProcess();
          $process->setCommandLine(trim($this->findComposer().' update '.$package));
          $process->run($this->output);
      }
code: public function update($package = null)
      {
          if (! is_null($package)) {
              $package = '"'.$package.'"';
          }
          $process = $this->getProcess();
          $process->setCommandLine(trim($this->findComposer().' update '.$package));
          $process->run($this->output);
      }
code_tokens: public function update ( $ package = null ) { if ( ! is_null ( $ package ) ) { $ package = '"' . $ package . '"' ; } $ process = $ this -> getProcess ( ) ; $ process -> setCommandLine ( trim ( $ this -> findComposer ( ) . ' update ' . $ package ) ) ; $ process -> run ( $ this -> output ) ; }
docstring: Update all composer packages.
  
  @param string $package
  
  @return void
docstring_tokens: Update all composer packages .