/**
* Returns true if $value is a valid date of the format YYYY-MM-DD
* If optional $format or $locale is set the date format is checked
* according to Zend_Date, see Zend_Date::isDate()
*
* @param string|array|\Zend\Date\Date $value
* @return boolean
*/
public function isValid($value)
{
if (!is_string($value) && !is_int($value) && !is_float($value) && !is_array($value) && !$value instanceof ZendDate\Date) {
$this->error(self::INVALID);
return false;
}
$this->setValue($value);
if ($this->_format !== null || $this->_locale !== null || is_array($value) || $value instanceof Date\Date) {
if (!ZendDate\Date::isDate($value, $this->_format, $this->_locale)) {
if ($this->_checkFormat($value) === false) {
$this->error(self::FALSEFORMAT);
} else {
$this->error(self::INVALID_DATE);
}
return false;
}
} else {
if (!preg_match('/^\\d{4}-\\d{2}-\\d{2}$/', $value)) {
$this->_format = 'yyyy-MM-dd';
$this->error(self::FALSEFORMAT);
$this->_format = null;
return false;
}
list($year, $month, $day) = sscanf($value, '%d-%d-%d');
if (!checkdate($month, $day, $year)) {
$this->error(self::INVALID_DATE);
return false;
}
}
return true;
}
/**
* @ZF-7454
*/
public function testSetWithoutHourAtDSTChange()
{
$this->assertTrue(Date::isDate("23/05/2010", "dd/MM/yyyy", "it_IT"));
$this->assertTrue(Date::isDate("24/05/2010", "dd/MM/yyyy", "it_IT"));
}