original_string: public function getCmd($tag)
      {
          return isset($this->_commands[$tag])
              ? $this->_commands[$tag]
              : null;
      }
code: public function getCmd($tag)
      {
          return isset($this->_commands[$tag])
              ? $this->_commands[$tag]
              : null;
      }
code_tokens: public function getCmd ( $ tag ) { return isset ( $ this -> _commands [ $ tag ] ) ? $ this -> _commands [ $ tag ] : null ; }
docstring: Return the command for a given tag.
  
  @param string $tag  The command tag.
  
  @return Horde_Imap_Client_Interaction_Command  A command object (or
  null if the tag does
  not exist).
docstring_tokens: Return the command for a given tag .