original_string: protected function parseKeysString($keyString)
      {
          // Replace all of the configured delimiters by the first one, so that we can then use explode().
          $normalizedString = str_replace($this->delimiter, $this->delimiter[0], $keyString);
  
          return (array)explode($this->delimiter[0], $normalizedString);
      }
code: protected function parseKeysString($keyString)
      {
          // Replace all of the configured delimiters by the first one, so that we can then use explode().
          $normalizedString = str_replace($this->delimiter, $this->delimiter[0], $keyString);
  
          return (array)explode($this->delimiter[0], $normalizedString);
      }
code_tokens: protected function parseKeysString ( $ keyString ) { // Replace all of the configured delimiters by the first one, so that we can then use explode(). $ normalizedString = str_replace ( $ this -> delimiter , $ this -> delimiter [ 0 ] , $ keyString ) ; return ( array ) explode ( $ this -> delimiter [ 0 ] , $ normalizedString ) ; }
docstring: Extract individual keys from a delimited string.
  
  @since 0.1.6
  
  @param string $keyString Delimited string of keys.
  
  @return array Array of key strings.
docstring_tokens: Extract individual keys from a delimited string .