return $this->year == $other->year && $this->month == $other->month;
}
return false;
}
//-----------------------------------------------------------------------
/**
* Outputs this year-month as a {@code String}, such as {@code 2007-12}.
* <p>
* The output will be in the format {@code uuuu-MM}:
*
* @return string a string representation of this year-month, not null
*/
public function __toString()
{
$absYear = Math::abs($this->year);
$buf = '';
if ($absYear < 1000) {
if ($this->year < 0) {
$y = (string) ($this->year - 10000);
$buf .= substr($y, 0, 1) . substr($y, 2);
} else {
$buf .= substr($this->year + 10000, 1);
}
} else {
$buf .= $this->year;
}
return $buf . ($this->month < 10 ? "-0" : "-") . $this->month;
}
}
YearMonth::init();
