original_string: public function keyMap($keyMap = null)
      {
          if (!is_null($keyMap)) {
              $this->keyMap = $keyMap;
          }
  
          return $this->keyMap;
      }
code: public function keyMap($keyMap = null)
      {
          if (!is_null($keyMap)) {
              $this->keyMap = $keyMap;
          }
  
          return $this->keyMap;
      }
code_tokens: public function keyMap ( $ keyMap = null ) { if ( ! is_null ( $ keyMap ) ) { $ this -> keyMap = $ keyMap ; } return $ this -> keyMap ; }
docstring: Get or set the key map
  
  The key map permits translating the parsed array keys
  
  @param mixed $keyMap
  @return array
docstring_tokens: Get or set the key map