/**
* validDate
*
* convert input parameters to (valid) iCalcreator date in array format (or FALSE)
* if $utc=TRUE and $tz = utc offset ([[+/]-]HHmm) input (local) date array + UTC offset
* returns ouput in UTC format date
*
* @author Kjell-Inge Gustafsson <*****@*****.**>
* @since 1.x.x - 2007-05-12
* @param mixed $year
* @param mixed $month optional
* @param int $day optional
* @param int $hour optional
* @param int $min optional
* @param int $sec optional
* @param mixed $tz optional
* @param bool $utc optional
* @return bool false / array $date
*/
function validDate($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $tz = FALSE, $utc = FALSE)
{
$input = array();
$toolbox = new calendarComponent();
$parno = null;
if (is_int($year) && is_int($month) && is_int($day)) {
$input['year'] = $year;
$input['month'] = $month;
$input['day'] = $day;
if ($hour !== FALSE || $min !== FALSE || $sec !== FALSE) {
$parno = 6;
if ($hour !== FALSE) {
$input['hour'] = $hour;
}
if ($min !== FALSE) {
$input['min'] = $min;
}
if ($sec !== FALSE) {
$input['sec'] = $sec;
}
}
if ($tz !== FALSE) {
$parno = 7;
$input['tz'] = $tz;
} elseif (!$parno) {
$parno = 3;
}
$input = $toolbox->_date_time_array($input, $parno);
} elseif (is_array($year) && isset($year['timestamp'])) {
$input = $toolbox->_date_time_string(date('Y-m-d H:i:s', $year['timestamp']), 6);
$input['tz'] = isset($year['tz']) ? $year['tz'] : null;
$utc = TRUE === $month ? TRUE : FALSE;
} elseif (is_array($year) && in_array(count($year), array(3, 4, 6, 7))) {
if (isset($year['tz']) || 4 == count($year) || 7 == count($year)) {
$parno = 7;
} elseif (isset($year['hour']) || isset($year['min']) || isset($year['sec']) || 6 == count($year)) {
$parno = 6;
} else {
$parno = 3;
}
$input = $toolbox->_date_time_array($year, $parno);
$utc = TRUE === $month ? TRUE : FALSE;
} elseif (8 <= strlen(trim($year))) {
// ex. 2006-08-03 10:12:18
$input = $toolbox->_date_time_string($year);
$utc = TRUE === $month ? TRUE : FALSE;
} else {
return FALSE;
}
if (!checkdate($input['month'], $input['day'], $input['year'])) {
return FALSE;
}
if (isset($input['hour']) && (0 > $input['hour'] || 23 < $input['hour'])) {
return FALSE;
}
if (isset($input['min']) && (0 > $input['min'] || 59 < $input['min'])) {
return FALSE;
}
if (isset($input['sec']) && (0 > $input['sec'] || 59 < $input['sec'])) {
return FALSE;
}
if (isset($input['tz']) && '' < trim($input['tz'])) {
$input['tz'] = trim($input['tz']);
if (ctype_digit($input['tz'][1])) {
// only numeric tz=offset
$offset = 0;
if (ctype_digit($input['tz'][0])) {
$input['tz'] = '+' . $input['tz'];
}
if (5 == strlen($input['tz']) && '0000' <= substr($input['tz'], -4) && '9999' >= substr($input['tz'], -4) && ('+' == substr($input['tz'], 0, 1) || '-' == substr($input['tz'], 0, 1))) {
$hours2sec = substr($input['tz'], 1, 2) * 3600;
$min2sec = substr($input['tz'], -2) * 60;
$sign = substr($input['tz'], 0, 1);
$offset = $sign . '1' * ($hours2sec + $min2sec);
} elseif (7 == strlen($input['tz']) && '000000' <= substr($input['tz'], -6) && '999999' >= substr($input['tz'], -6) && ('+' == substr($input['tz'], 0, 1) || '-' == substr($input['tz'], 0, 1))) {
$hours2sec = substr($input['tz'], 1, 2) * 3600;
$min2sec = substr($input['tz'], 3, 2) * 60;
$sec = substr($input['tz'], -2);
$sign = substr($input['tz'], 0, 1);
$offset = $sign . '1' * ($hours2sec + $min2sec + $sec);
}
if (0 != $offset) {
if (!isset($input['hour'])) {
$input['hour'] = 0;
}
if (!isset($input['min'])) {
$input['min'] = 0;
}
if (!isset($input['sec'])) {
$input['sec'] = 0;
}
$input = date('Y-m-d H:i:s\\Z', mktime($input['hour'], $input['min'], $input['sec'] + $offset, $input['month'], $input['day'], $input['year']));
$parno = $utc ? 7 : 6;
$input = $toolbox->_date_time_string($input, $parno);
if (!$utc && isset($input['tz']) && 'Z' == $input['tz']) {
unset($input['tz']);
}
}
}
}
return $input;
}
/**
* validDate
*
* convert input parameters to (valid) iCalcreator date in array format (or FALSE)
* if $utc=TRUE and $tz = utc offset ([[+/]-]HHmm) input (local) date array + UTC offset
* returns ouput in UTC format date
*
* @author Kjell-Inge Gustafsson <*****@*****.**>
* @since 2.2.2 - 2007-07-29
* @param mixed $year
* @param mixed $month optional
* @param int $day optional
* @param int $hour optional
* @param int $min optional
* @param int $sec optional
* @param mixed $tz optional
* @param bool $utc optional
* @return bool false / array $date
*/
function validDate($year, $month = FALSE, $day = FALSE, $hour = FALSE, $min = FALSE, $sec = FALSE, $tz = FALSE, $utc = FALSE)
{
$input = array();
$toolbox = new calendarComponent();
$parno = null;
if (is_array($year) && isset($year['timestamp'])) {
$input = $toolbox->_date_time_string(date('Y-m-d H:i:s', $year['timestamp']), 6);
$input['tz'] = isset($year['tz']) ? $year['tz'] : null;
$utc = TRUE === $month ? TRUE : FALSE;
} elseif (is_array($year) && in_array(count($year), array(3, 4, 6, 7))) {
if (isset($year['tz']) || 4 == count($year) || 7 == count($year)) {
$parno = 7;
} elseif (isset($year['hour']) || isset($year['min']) || isset($year['sec']) || 6 == count($year)) {
$parno = 6;
} else {
$parno = 3;
}
$input = $toolbox->_date_time_array($year, $parno);
$utc = TRUE === $month ? TRUE : FALSE;
} elseif (8 <= strlen(trim($year))) {
// ex. 2006-08-03 10:12:18
$input = $toolbox->_date_time_string($year);
$utc = TRUE === $month ? TRUE : FALSE;
} elseif ($year !== FALSE && $month !== FALSE && $day !== FALSE) {
if (0 > (int) $year || 2100 < (int) $year) {
return FALSE;
}
$month = (int) $month;
if (1 > $month || 12 < $month) {
return FALSE;
}
$day = (int) $day;
if (1 > $day || 31 < $day) {
return FALSE;
}
$input['year'] = $year;
$input['month'] = $month;
$input['day'] = $day;
if ($hour !== FALSE || $min !== FALSE || $sec !== FALSE) {
$parno = 6;
if ($hour !== FALSE) {
$input['hour'] = $hour;
}
if ($min !== FALSE) {
$input['min'] = $min;
}
if ($sec !== FALSE) {
$input['sec'] = $sec;
}
}
if ($tz !== FALSE) {
$parno = 7;
$input['tz'] = $tz;
} elseif (!$parno) {
$parno = 3;
}
$input = $toolbox->_date_time_array($input, $parno);
} else {
return FALSE;
}
if (!checkdate($input['month'], $input['day'], $input['year'])) {
return FALSE;
}
if (isset($input['hour']) && (0 > $input['hour'] || 23 < $input['hour'])) {
return FALSE;
}
if (isset($input['min']) && (0 > $input['min'] || 59 < $input['min'])) {
return FALSE;
}
if (isset($input['sec']) && (0 > $input['sec'] || 59 < $input['sec'])) {
return FALSE;
}
if (isset($input['tz']) && '' < trim($input['tz'])) {
$input['tz'] = (string) trim($input['tz']);
if (ctype_digit($input['tz'][1])) {
// only numeric tz=offset
$offset = 0;
if (ctype_digit($input['tz'][0])) {
$input['tz'] = '+' . $input['tz'];
}
$offset = $toolbox->_tz2offset($input['tz']);
if (0 != $offset) {
if (!isset($input['hour'])) {
$input['hour'] = 0;
}
if (!isset($input['min'])) {
$input['min'] = 0;
}
if (!isset($input['sec'])) {
$input['sec'] = 0;
}
$input = date('Y-m-d H:i:s\\Z', mktime($input['hour'], $input['min'], $input['sec'] + $offset, $input['month'], $input['day'], $input['year']));
$parno = $utc ? 7 : 6;
$input = $toolbox->_date_time_string($input, $parno);
if (!$utc && isset($input['tz']) && 'Z' == $input['tz']) {
unset($input['tz']);
}
}
}
}
return $input;
}
