original_string: public function invalidate($namespaceId)
      {
          $namespace = $this->fetch($namespaceId);
  
          if (false === $namespace) {
              return false;
          }
  
          $newNamespace = rand(0, 10000);
          // @codeCoverageIgnoreStart
          while ($namespace === $newNamespace) {
              $newNamespace = rand(0, 10000);
          }
  
          // @codeCoverageIgnoreEnd
          return $this->save($namespaceId, $namespaceId . '_' . $newNamespace .'_', 0);
      }
code: public function invalidate($namespaceId)
      {
          $namespace = $this->fetch($namespaceId);
  
          if (false === $namespace) {
              return false;
          }
  
          $newNamespace = rand(0, 10000);
          // @codeCoverageIgnoreStart
          while ($namespace === $newNamespace) {
              $newNamespace = rand(0, 10000);
          }
  
          // @codeCoverageIgnoreEnd
          return $this->save($namespaceId, $namespaceId . '_' . $newNamespace .'_', 0);
      }
code_tokens: public function invalidate ( $ namespaceId ) { $ namespace = $ this -> fetch ( $ namespaceId ) ; if ( false === $ namespace ) { return false ; } $ newNamespace = rand ( 0 , 10000 ) ; // @codeCoverageIgnoreStart while ( $ namespace === $ newNamespace ) { $ newNamespace = rand ( 0 , 10000 ) ; } // @codeCoverageIgnoreEnd return $ this -> save ( $ namespaceId , $ namespaceId . '_' . $ newNamespace . '_' , 0 ) ; }
docstring: Invalidate a namespace.
  
  @param string $namespaceId The id of the namespace to invalidate.
  
  @return boolean TRUE if the namespace entry was successfully regenerated, FALSE otherwise.
docstring_tokens: Invalidate a namespace .