/**
* Returns the calculated month
*
* @param string $calc Calculation to make
* @param string|integer|array|IfwPsn_Vendor_Zend_Date $month Month to calculate with, if null the actual month is taken
* @param string|IfwPsn_Vendor_Zend_Locale $locale Locale for parsing input
* @return integer|IfwPsn_Vendor_Zend_Date new time
* @throws IfwPsn_Vendor_Zend_Date_Exception
*/
private function _month($calc, $month, $locale)
{
if ($month === null) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Date/Exception.php';
throw new IfwPsn_Vendor_Zend_Date_Exception('parameter $month must be set, null is not allowed');
}
if ($locale === null) {
$locale = $this->getLocale();
}
if ($month instanceof IfwPsn_Vendor_Zend_Date) {
// extract month from object
$found = $month->toString(self::MONTH_SHORT, 'iso', $locale);
} else {
if (is_numeric($month)) {
$found = $month;
} else {
if (is_array($month)) {
if (isset($month['month']) === true) {
$month = $month['month'];
} else {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Date/Exception.php';
throw new IfwPsn_Vendor_Zend_Date_Exception("no month given in array");
}
} else {
$monthlist = IfwPsn_Vendor_Zend_Locale_Data::getList($locale, 'month');
$monthlist2 = IfwPsn_Vendor_Zend_Locale_Data::getList($locale, 'month', array('gregorian', 'format', 'abbreviated'));
$monthlist = array_merge($monthlist, $monthlist2);
$found = 0;
$cnt = 0;
foreach ($monthlist as $key => $value) {
if (strtoupper($value) == strtoupper($month)) {
$found = $key % 12 + 1;
break;
}
++$cnt;
}
if ($found == 0) {
foreach ($monthlist2 as $key => $value) {
if (strtoupper(iconv_substr($value, 0, 1, 'UTF-8')) == strtoupper($month)) {
$found = $key + 1;
break;
}
++$cnt;
}
}
if ($found == 0) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Date/Exception.php';
throw new IfwPsn_Vendor_Zend_Date_Exception("unknown month name ({$month})", 0, null, $month);
}
}
}
}
$return = $this->_calcdetail($calc, $found, self::MONTH_SHORT, $locale);
if ($calc != 'cmp') {
return $this;
}
return $return;
}
/**
* Defined by IfwPsn_Vendor_Zend_Filter_Interface
*
* Normalizes the given input
*
* @param string $value Value to normalized
* @return string|array The normalized value
*/
public function filter($value)
{
if (is_array($value)) {
require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Zend/Date.php';
$date = new IfwPsn_Vendor_Zend_Date($value, $this->_options['locale']);
return $date->toString($this->_options['date_format']);
} else {
if ($this->_options['precision'] === 0) {
return IfwPsn_Vendor_Zend_Locale_Format::toInteger($value, $this->_options);
} else {
if ($this->_options['precision'] === null) {
return IfwPsn_Vendor_Zend_Locale_Format::toFloat($value, $this->_options);
}
}
}
return IfwPsn_Vendor_Zend_Locale_Format::toNumber($value, $this->_options);
}