original_string: public function parse( $rules ) {
  		if ( is_array( $rules ) ) {
  			return $this->parse_array_rules( $rules );
  		}
  
  		return $this->parse_string_rules( $rules );
  	}
code: public function parse( $rules ) {
  		if ( is_array( $rules ) ) {
  			return $this->parse_array_rules( $rules );
  		}
  
  		return $this->parse_string_rules( $rules );
  	}
code_tokens: public function parse ( $ rules ) { if ( is_array ( $ rules ) ) { return $ this -> parse_array_rules ( $ rules ) ; } return $ this -> parse_string_rules ( $ rules ) ; }
docstring: Parse the rules into an array of rules.
  
  @param  string|array $rules The initial rules set.
  @return array
docstring_tokens: Parse the rules into an array of rules .