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<?php /** * IntlDateTime is an extended version of php 5 DateTime class with integrated * IntlDateFormatter functionality which adds support for multible calendars * and locales provided by ICU project. (needs php >= 5.3.0 with intl extension) * However, this class is not compatible with DateTime class because it uses ICU * pattern syntax for formatting and parsing date strings. * (@link http://userguide.icu-project.org/formatparse/datetime) * * @copyright Copyright 2010, Ali Farhadi (http://farhadi.ir/) * @license GNU General Public License 3.0 (http://www.gnu.org/licenses/gpl.html) */ class IntlDateTime extends DateTime { /** * @var string The current locale in use */ protected $locale; /** * @var string The current calendar in use */ protected $calendar; /** * Creates a new instance of IntlDateTime * * @param mixed $time Unix timestamp or strtotime() compatible string or another DateTime object * @param mixed $timezone DateTimeZone object or timezone identifier as full name (e.g. Asia/Tehran) or abbreviation (e.g. IRDT). * @param string $calendar any calendar supported by ICU (e.g. gregorian, persian, islamic, ...) * @param string $locale any locale supported by ICU * @param string $pattern the date pattern in which $time is formatted. * @return IntlDateTime */ public function __construct($time = null, $timezone = null, $calendar = 'gregorian', $locale = 'en_US', $pattern = null) { if (!isset($timezone)) $timezone = new DateTimeZone(date_default_timezone_get()); elseif (!is_a($timezone, 'DateTimeZone')) $timezone = new DateTimeZone($timezone); parent::__construct(null, $timezone); $this->setLocale($locale); $this->setCalendar($calendar); if (isset($time)) $this->set($time, null, $pattern); } /** * Returns an instance of IntlDateFormatter with specified options. * * @param array $options * @return IntlDateFormatter */ protected function getFormatter($options = array()) { $locale = empty($options['locale']) ? $this->locale : $options['locale']; $calendar = empty($options['calendar']) ? $this->calendar : $options['calendar']; $timezone = empty($options['timezone']) ? $this->getTimezone() : $options['timezone']; if (is_a($timezone, 'DateTimeZone')) $timezone = $timezone->getName(); $pattern = empty($options['pattern']) ? null : $options['pattern']; return new IntlDateFormatter($locale . '@calendar=' . $calendar, IntlDateFormatter::FULL, IntlDateFormatter::FULL, $timezone, $calendar == 'gregorian' ? IntlDateFormatter::GREGORIAN : IntlDateFormatter::TRADITIONAL, $pattern); } /** * Replaces localized digits in $str with latin digits. * * @param string $str * @return string Latinized string */ protected function latinizeDigits($str) { $result = ''; $num = new NumberFormatter($this->locale, NumberFormatter::DECIMAL); preg_match_all('/.[\x80-\xBF]*/', $str, $matches); foreach ($matches[0] as $char) { $pos = 0; $parsedChar = $num->parse($char, NumberFormatter::TYPE_INT32, $pos); $result .= $pos ? $parsedChar : $char; } return $result; } /** * Tries to guess the date pattern in which $time is formatted. * * @param string $time The date string * @return string Detected ICU pattern on success, FALSE otherwise. */ protected function guessPattern($time) { $time = $this->latinizeDigits(trim($time)); $shortDateRegex = '(\d{2,4})(-|\\\\|/)\d{1,2}\2\d{1,2}'; $longDateRegex = '([^\d]*\s)?\d{1,2}(-| )[^-\s\d]+\4(\d{2,4})'; $timeRegex = '\d{1,2}:\d{1,2}(:\d{1,2})?(\s.*)?'; if (preg_match("@^(?:(?:$shortDateRegex)|(?:$longDateRegex))(\s+$timeRegex)?$@", $time, $match)) { if (!empty($match[1])) { $separator = $match[2]; $pattern = strlen($match[1]) == 2 ? 'yy' : 'yyyy'; $pattern .= $separator . 'MM' . $separator . 'dd'; } else { $separator = $match[4]; $pattern = 'dd' . $separator . 'LLL' . $separator; $pattern .= strlen($match[5]) == 2 ? 'yy' : 'yyyy'; if (!empty($match[3])) $pattern = (preg_match('/,\s+$/', $match[3]) ? 'E, ' : 'E ') . $pattern; } if (!empty($match[6])) { $pattern .= !empty($match[8]) ? ' hh:mm' : ' HH:mm'; if (!empty($match[7])) $pattern .= ':ss'; if (!empty($match[8])) $pattern .= ' a'; } return $pattern; } return false; } /** * Sets the locale used by the object. * * @param string $locale * @return IntlDateTime The modified DateTime. */ public function setLocale($locale) { $this->locale = $locale; return $this; } /** * Gets the current locale used by the object. * * @return string */ public function getLocale() { return $this->locale; } /** * Sets the calendar used by the object. * * @param string $calendar * @return IntlDateTime The modified DateTime. */ public function setCalendar($calendar) { $this->calendar = strtolower($calendar); return $this; } /** * Gets the current calendar used by the object. * * @return string */ public function getCalendar() { return $this->calendar; } /** * Overrides the getTimestamp method to support timestamps out of the integer range. * * @return float Unix timestamp representing the date. */ public function getTimestamp() { return floatval(parent::format('U')); } /** * Overrides the setTimestamp method to support timestamps out of the integer range. * * @param float $unixtimestamp Unix timestamp representing the date. * @return IntlDateTime the modified DateTime. */ public function setTimestamp($unixtimestamp) { $diff = $unixtimestamp - $this->getTimestamp(); $days = floor($diff / 86400); $seconds = $diff - $days * 86400; $timezone = $this->getTimezone(); $this->setTimezone('UTC'); parent::modify("$days days $seconds seconds"); $this->setTimezone($timezone); return $this; } /** * Alters object's internal timestamp with a string acceptable by strtotime() or a Unix timestamp or a DateTime object. * * @param mixed $time Unix timestamp or strtotime() compatible string or another DateTime object * @param mixed $timezone DateTimeZone object or timezone identifier as full name (e.g. Asia/Tehran) or abbreviation (e.g. IRDT). * @param string $pattern the date pattern in which $time is formatted. * @return IntlDateTime The modified DateTime. */ public function set($time, $timezone = null, $pattern = null) { if (is_a($time, 'DateTime')) { $time = $time->format('U'); } elseif (!is_numeric($time) || $pattern) { if (!$pattern) { $pattern = $this->guessPattern($time); } if (!$pattern && preg_match('/((?:[+-]?\d+)|next|last|previous)\s*(year|month)s?/i', $time)) { if (isset($timezone)) { $tempTimezone = $this->getTimezone(); $this->setTimezone($timezone); } $this->setTimestamp(time()); $this->modify($time); if (isset($timezone)) { $this->setTimezone($tempTimezone); } return $this; } $timezone = empty($timezone) ? $this->getTimezone() : $timezone; if (is_a($timezone, 'DateTimeZone')) $timezone = $timezone->getName(); $defaultTimezone = @date_default_timezone_get(); date_default_timezone_set($timezone); if ($pattern) { $time = $this->getFormatter(array('timezone' => 'GMT', 'pattern' => $pattern))->parse($time); $time -= date('Z', $time); } else { $time = strtotime($time); } date_default_timezone_set($defaultTimezone); } $this->setTimestamp($time); return $this; } /** * Resets the current date of the object. * * @param integer $year * @param integer $month * @param integer $day * @return IntlDateTime The modified DateTime. */ public function setDate($year, $month, $day) { $this->set("$year/$month/$day ".$this->format('HH:mm:ss'), null, 'yyyy/MM/dd HH:mm:ss'); return $this; } /** * Sets the timezone for the object. * * @param mixed $timezone DateTimeZone object or timezone identifier as full name (e.g. Asia/Tehran) or abbreviation (e.g. IRDT). * @return IntlDateTime The modified DateTime. */ public function setTimezone($timezone) { if (!is_a($timezone, 'DateTimeZone')) $timezone = new DateTimeZone($timezone); parent::setTimezone($timezone); return $this; } /** * Internally used by modify method to calculate calendar-aware modifications * * @param array $matches * @return string An empty string */ protected function modifyCallback($matches) { if (!empty($matches[1])) { parent::modify($matches[1]); } list($y, $m, $d) = explode('-', $this->format('y-M-d')); $change = strtolower($matches[2]); $unit = strtolower($matches[3]); switch ($change) { case "next": $change = 1; break; case "last": case "previous": $change = -1; break; } switch ($unit) { case "month": $m += $change; if ($m > 12) { $y += floor($m/12); $m = $m % 12; } elseif ($m < 1) { $y += ceil($m/12) - 1; $m = $m % 12 + 12; } break; case "year": $y += $change; break; } $this->setDate($y, $m, $d); return ''; } /** * Alter the timestamp by incrementing or decrementing in a format accepted by strtotime(). * * @param string $modify a string in a relative format accepted by strtotime(). * @return IntlDateTime The modified DateTime. */ public function modify($modify) { $modify = $this->latinizeDigits(trim($modify)); $modify = preg_replace_callback('/(.*?)((?:[+-]?\d+)|next|last|previous)\s*(year|month)s?/i', array($this, 'modifyCallback'), $modify); if ($modify) parent::modify($modify); return $this; } /** * Returns date formatted according to given pattern. * * @param string $pattern Date pattern in ICU syntax (@link http://userguide.icu-project.org/formatparse/datetime) * @param mixed $timezone DateTimeZone object or timezone identifier as full name (e.g. Asia/Tehran) or abbreviation (e.g. IRDT). * @return string Formatted date on success or FALSE on failure. */ public function format($pattern, $timezone = null) { if (isset($timezone)) { $tempTimezone = $this->getTimezone(); $this->setTimezone($timezone); } // Timezones DST data in ICU are not as accurate as PHP. // So we get timezone offset from php and pass it to ICU. $result = $this->getFormatter(array( 'timezone' => 'GMT' . (parent::format('Z') ? parent::format('P') : ''), 'pattern' => $pattern ))->format($this->getTimestamp()); if (isset($timezone)) { $this->setTimezone($tempTimezone); } return $result; } /** * Preserve original DateTime::format functionality * * @param string $format Format accepted by date(). * @param mixed $timezone DateTimeZone object or timezone identifier as full name (e.g. Asia/Tehran) or abbreviation (e.g. IRDT). * @return string Formatted date on success or FALSE on failure. */ public function classicFormat($format, $timezone = null) { if (isset($timezone)) { $tempTimezone = $this->getTimezone(); $this->setTimezone($timezone); } $result = parent::format($format); if (isset($timezone)) { $this->setTimezone($tempTimezone); } return $result; } } $date = new IntlDateTime('now', 'Asia/Tehran', 'gregorian'); echo $date->format('yyyy/MM/dd HH:mm:ss');
Output for 5.4.0 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.1.0
2014/07/14 22:43:13
Output for hhvm-3.12.0
Fatal error: Uncaught exception 'Exception' with message '__construct() expects parameter 1 to be string, null given' in /in/HZUQU:39 Stack trace: #0 /in/HZUQU(39): DateTime->__construct() #1 /in/HZUQU(369): IntlDateTime->__construct() #2 {main}
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Fatal error: Class 'NumberFormatter' not found in /in/HZUQU on line 70
Process exited with code 255.