private static function PICalc($str, $y1, $y2 = false, $m1 = false, $m2 = false, $d1 = false, $d2 = false, $t1 = false, $t2 = false)
{
$duration = 0;
if (is_numeric($d1)) {
if (is_numeric($d2)) {
if ($d1 > $d2) {
throw new ADEIException(translate("Invalid interval (%s) is specified: Start-day is above of end-day", $str));
}
} else {
$d2 = $d1;
}
if (!$t1) {
$duration = 86400;
}
$madd = 0;
} else {
$d1 = 1;
$d2 = 1;
$madd = 1;
}
if ($m1) {
$m1 = INTERVAL::FindMonthByName($m1);
if ($m2) {
$m2 = INTERVAL::FindMonthByName($m2) + $madd;
if ($m1 > $m2) {
throw new ADEIException(translate("Invalid interval (%s) is specified: Start-month is above of end-month", $str));
}
} else {
$m2 = $m1 + $madd;
}
if ($m2 == 13) {
$m2 = 1;
$yadd = 1;
} else {
$yadd = 0;
}
} else {
$m1 = 1;
$m2 = 1;
$yadd = 1;
}
if (!is_numeric($y1)) {
$y1 = date('Y');
if (strtotime("{$y1}-{$m1}-01T00:00:00") > date('U')) {
$y1--;
}
}
if (is_numeric($y2)) {
if ($y1 > $y2) {
throw new ADEIException(translate("Invalid interval (%s) is specified: Start-year is above of end-year", $str));
}
$y2 += $yadd;
} else {
$y2 = $y1 + $yadd;
}
if ($t1) {
if (!$t2) {
throw new ADEIException(translate("Invalid interval (%s) is specified", $str));
}
$num = substr_count($t1, ":");
for ($i = $num; $i < 2; $i++) {
$t1 .= ":00";
}
$num = substr_count($t2, ":");
for ($i = $num; $i < 2; $i++) {
$t2 .= ":00";
}
} else {
$t1 = "00:00:00";
$t2 = "00:00:00";
}
$from = "{$y1}-{$m1}-{$d1}T{$t1}";
$to = "{$y2}-{$m2}-{$d2}T{$t2}";
return array($from, $to, $duration);
}
