original_string: public static function unixToJd($timestamp)
      {
          if ($timestamp < 0) {
              return false;
          } else {
              // Convert timestamp based on local timezone
              return self::GregorianToJd(gmdate('n', $timestamp), gmdate('j', $timestamp), gmdate('Y', $timestamp));
          }
      }
code: public static function unixToJd($timestamp)
      {
          if ($timestamp < 0) {
              return false;
          } else {
              // Convert timestamp based on local timezone
              return self::GregorianToJd(gmdate('n', $timestamp), gmdate('j', $timestamp), gmdate('Y', $timestamp));
          }
      }
code_tokens: public static function unixToJd ( $ timestamp ) { if ( $ timestamp < 0 ) { return false ; } else { // Convert timestamp based on local timezone return self :: GregorianToJd ( gmdate ( 'n' , $ timestamp ) , gmdate ( 'j' , $ timestamp ) , gmdate ( 'Y' , $ timestamp ) ) ; } }
docstring: Convert Unix timestamp to Julian Day.
  
  Shim implementation of unixtojd()
  
  @link https://php.net/unixtojd
  
  @param int $timestamp
  
  @return false|int
docstring_tokens: Convert Unix timestamp to Julian Day .