original_string: public function isMetric( $field )
      {
          if ( array_key_exists($field, $this->defaults) ){
              return ( isset($this->defaults[$field]['metric']) ) ? $this->defaults[$field]['metric'] : false;
          }
          return false;
      }
code: public function isMetric( $field )
      {
          if ( array_key_exists($field, $this->defaults) ){
              return ( isset($this->defaults[$field]['metric']) ) ? $this->defaults[$field]['metric'] : false;
          }
          return false;
      }
code_tokens: public function isMetric ( $ field ) { if ( array_key_exists ( $ field , $ this -> defaults ) ) { return ( isset ( $ this -> defaults [ $ field ] [ 'metric' ] ) ) ? $ this -> defaults [ $ field ] [ 'metric' ] : false ; } return false ; }
docstring: Check if field is metric
  @param $field
  @return bool
docstring_tokens: Check if field is metric