/**
* Transforms a \DateTime instance to a string.
*
* @see \DateTime::format() for supported formats
*
* @param string $inputTimezone The name of the input timezone
* @param string $outputTimezone The name of the output timezone
* @param string $format The date format
* @param bool $parseUsingPipe Whether to parse by appending a pipe "|" to the parse format
*
* @throws UnexpectedTypeException if a timezone is not a string
*/
public function __construct($inputTimezone = null, $outputTimezone = null, $format = 'Y-m-d H:i:s', $parseUsingPipe = null)
{
parent::__construct($inputTimezone, $outputTimezone);
$this->generateFormat = $this->parseFormat = $format;
// The pipe in the parser pattern only works as of PHP 5.3.7
// See http://bugs.php.net/54316
$this->parseUsingPipe = null === $parseUsingPipe ? version_compare(phpversion(), '5.3.7', '>=') : $parseUsingPipe;
// See http://php.net/manual/en/datetime.createfromformat.php
// The character "|" in the format makes sure that the parts of a date
// that are *not* specified in the format are reset to the corresponding
// values from 1970-01-01 00:00:00 instead of the current time.
// Without "|" and "Y-m-d", "2010-02-03" becomes "2010-02-03 12:32:47",
// where the time corresponds to the current server time.
// With "|" and "Y-m-d", "2010-02-03" becomes "2010-02-03 00:00:00",
// which is at least deterministic and thus used here.
if ($this->parseUsingPipe && false === strpos($this->parseFormat, '|')) {
$this->parseFormat .= '|';
}
}
/**
* Constructor.
*
* @see BaseDateTimeTransformer::formats for available format options
*
* @param string $inputTimezone The name of the input timezone
* @param string $outputTimezone The name of the output timezone
* @param int $dateFormat The date format
* @param int $timeFormat The time format
* @param int $calendar One of the \IntlDateFormatter calendar constants
* @param string $pattern A pattern to pass to \IntlDateFormatter
*
* @throws UnexpectedTypeException If a format is not supported or if a timezone is not a string
*/
public function __construct($inputTimezone = null, $outputTimezone = null, $dateFormat = null, $timeFormat = null, $calendar = \IntlDateFormatter::GREGORIAN, $pattern = null)
{
parent::__construct($inputTimezone, $outputTimezone);
if (null === $dateFormat) {
$dateFormat = \IntlDateFormatter::MEDIUM;
}
if (null === $timeFormat) {
$timeFormat = \IntlDateFormatter::SHORT;
}
if (!in_array($dateFormat, self::$formats, true)) {
throw new UnexpectedTypeException($dateFormat, self::$formats);
}
if (!in_array($timeFormat, self::$formats, true)) {
throw new UnexpectedTypeException($timeFormat, self::$formats);
}
$this->dateFormat = $dateFormat;
$this->timeFormat = $timeFormat;
$this->calendar = $calendar;
$this->pattern = $pattern;
}
