466 lines
12 KiB
PHP
466 lines
12 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* @package Joomla.Platform
|
||
|
|
* @subpackage Date
|
||
|
|
*
|
||
|
|
* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
|
||
|
|
* @license GNU General Public License version 2 or later; see LICENSE
|
||
|
|
*/
|
||
|
|
|
||
|
|
defined('JPATH_PLATFORM') or die;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* JDate is a class that stores a date and provides logic to manipulate
|
||
|
|
* and render that date in a variety of formats.
|
||
|
|
*
|
||
|
|
* @property-read string $daysinmonth t - Number of days in the given month.
|
||
|
|
* @property-read string $dayofweek N - ISO-8601 numeric representation of the day of the week.
|
||
|
|
* @property-read string $dayofyear z - The day of the year (starting from 0).
|
||
|
|
* @property-read boolean $isleapyear L - Whether it's a leap year.
|
||
|
|
* @property-read string $day d - Day of the month, 2 digits with leading zeros.
|
||
|
|
* @property-read string $hour H - 24-hour format of an hour with leading zeros.
|
||
|
|
* @property-read string $minute i - Minutes with leading zeros.
|
||
|
|
* @property-read string $second s - Seconds with leading zeros.
|
||
|
|
* @property-read string $month m - Numeric representation of a month, with leading zeros.
|
||
|
|
* @property-read string $ordinal S - English ordinal suffix for the day of the month, 2 characters.
|
||
|
|
* @property-read string $week W - Numeric representation of the day of the week.
|
||
|
|
* @property-read string $year Y - A full numeric representation of a year, 4 digits.
|
||
|
|
*
|
||
|
|
* @package Joomla.Platform
|
||
|
|
* @subpackage Date
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
class JDate extends DateTime
|
||
|
|
{
|
||
|
|
const DAY_ABBR = "\x021\x03";
|
||
|
|
const DAY_NAME = "\x022\x03";
|
||
|
|
const MONTH_ABBR = "\x023\x03";
|
||
|
|
const MONTH_NAME = "\x024\x03";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The format string to be applied when using the __toString() magic method.
|
||
|
|
*
|
||
|
|
* @var string
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public static $format = 'Y-m-d H:i:s';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Placeholder for a DateTimeZone object with GMT as the time zone.
|
||
|
|
*
|
||
|
|
* @var object
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
protected static $gmt;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Placeholder for a DateTimeZone object with the default server
|
||
|
|
* time zone as the time zone.
|
||
|
|
*
|
||
|
|
* @var object
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
protected static $stz;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The DateTimeZone object for usage in rending dates as strings.
|
||
|
|
*
|
||
|
|
* @var DateTimeZone
|
||
|
|
* @since 12.1
|
||
|
|
*/
|
||
|
|
protected $tz;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructor.
|
||
|
|
*
|
||
|
|
* @param string $date String in a format accepted by strtotime(), defaults to "now".
|
||
|
|
* @param mixed $tz Time zone to be used for the date. Might be a string or a DateTimeZone object.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function __construct($date = 'now', $tz = null)
|
||
|
|
{
|
||
|
|
// Create the base GMT and server time zone objects.
|
||
|
|
if (empty(self::$gmt) || empty(self::$stz))
|
||
|
|
{
|
||
|
|
self::$gmt = new DateTimeZone('GMT');
|
||
|
|
self::$stz = new DateTimeZone(@date_default_timezone_get());
|
||
|
|
}
|
||
|
|
|
||
|
|
// If the time zone object is not set, attempt to build it.
|
||
|
|
if (!($tz instanceof DateTimeZone))
|
||
|
|
{
|
||
|
|
if ($tz === null)
|
||
|
|
{
|
||
|
|
$tz = self::$gmt;
|
||
|
|
}
|
||
|
|
elseif (is_string($tz))
|
||
|
|
{
|
||
|
|
$tz = new DateTimeZone($tz);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// If the date is numeric assume a unix timestamp and convert it.
|
||
|
|
date_default_timezone_set('UTC');
|
||
|
|
$date = is_numeric($date) ? date('c', $date) : $date;
|
||
|
|
|
||
|
|
// Call the DateTime constructor.
|
||
|
|
parent::__construct($date, $tz);
|
||
|
|
|
||
|
|
// Reset the timezone for 3rd party libraries/extension that does not use JDate
|
||
|
|
date_default_timezone_set(self::$stz->getName());
|
||
|
|
|
||
|
|
// Set the timezone object for access later.
|
||
|
|
$this->tz = $tz;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Magic method to access properties of the date given by class to the format method.
|
||
|
|
*
|
||
|
|
* @param string $name The name of the property.
|
||
|
|
*
|
||
|
|
* @return mixed A value if the property name is valid, null otherwise.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function __get($name)
|
||
|
|
{
|
||
|
|
$value = null;
|
||
|
|
|
||
|
|
switch ($name)
|
||
|
|
{
|
||
|
|
case 'daysinmonth':
|
||
|
|
$value = $this->format('t', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'dayofweek':
|
||
|
|
$value = $this->format('N', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'dayofyear':
|
||
|
|
$value = $this->format('z', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'isleapyear':
|
||
|
|
$value = (boolean) $this->format('L', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'day':
|
||
|
|
$value = $this->format('d', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'hour':
|
||
|
|
$value = $this->format('H', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'minute':
|
||
|
|
$value = $this->format('i', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'second':
|
||
|
|
$value = $this->format('s', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'month':
|
||
|
|
$value = $this->format('m', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'ordinal':
|
||
|
|
$value = $this->format('S', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'week':
|
||
|
|
$value = $this->format('W', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'year':
|
||
|
|
$value = $this->format('Y', true);
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
$trace = debug_backtrace();
|
||
|
|
trigger_error(
|
||
|
|
'Undefined property via __get(): ' . $name . ' in ' . $trace[0]['file'] . ' on line ' . $trace[0]['line'],
|
||
|
|
E_USER_NOTICE
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Magic method to render the date object in the format specified in the public
|
||
|
|
* static member JDate::$format.
|
||
|
|
*
|
||
|
|
* @return string The date as a formatted string.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function __toString()
|
||
|
|
{
|
||
|
|
return (string) parent::format(self::$format);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Proxy for new JDate().
|
||
|
|
*
|
||
|
|
* @param string $date String in a format accepted by strtotime(), defaults to "now".
|
||
|
|
* @param mixed $tz Time zone to be used for the date.
|
||
|
|
*
|
||
|
|
* @return JDate
|
||
|
|
*
|
||
|
|
* @since 11.3
|
||
|
|
*/
|
||
|
|
public static function getInstance($date = 'now', $tz = null)
|
||
|
|
{
|
||
|
|
return new JDate($date, $tz);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Translates day of week number to a string.
|
||
|
|
*
|
||
|
|
* @param integer $day The numeric day of the week.
|
||
|
|
* @param boolean $abbr Return the abbreviated day string?
|
||
|
|
*
|
||
|
|
* @return string The day of the week.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function dayToString($day, $abbr = false)
|
||
|
|
{
|
||
|
|
switch ($day)
|
||
|
|
{
|
||
|
|
case 0:
|
||
|
|
return $abbr ? JText::_('SUN') : JText::_('SUNDAY');
|
||
|
|
case 1:
|
||
|
|
return $abbr ? JText::_('MON') : JText::_('MONDAY');
|
||
|
|
case 2:
|
||
|
|
return $abbr ? JText::_('TUE') : JText::_('TUESDAY');
|
||
|
|
case 3:
|
||
|
|
return $abbr ? JText::_('WED') : JText::_('WEDNESDAY');
|
||
|
|
case 4:
|
||
|
|
return $abbr ? JText::_('THU') : JText::_('THURSDAY');
|
||
|
|
case 5:
|
||
|
|
return $abbr ? JText::_('FRI') : JText::_('FRIDAY');
|
||
|
|
case 6:
|
||
|
|
return $abbr ? JText::_('SAT') : JText::_('SATURDAY');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the date as a formatted string in a local calendar.
|
||
|
|
*
|
||
|
|
* @param string $format The date format specification string (see {@link PHP_MANUAL#date})
|
||
|
|
* @param boolean $local True to return the date string in the local time zone, false to return it in GMT.
|
||
|
|
* @param boolean $translate True to translate localised strings
|
||
|
|
*
|
||
|
|
* @return string The date string in the specified format format.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function calendar($format, $local = false, $translate = true)
|
||
|
|
{
|
||
|
|
return $this->format($format, $local, $translate);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the date as a formatted string.
|
||
|
|
*
|
||
|
|
* @param string $format The date format specification string (see {@link PHP_MANUAL#date})
|
||
|
|
* @param boolean $local True to return the date string in the local time zone, false to return it in GMT.
|
||
|
|
* @param boolean $translate True to translate localised strings
|
||
|
|
*
|
||
|
|
* @return string The date string in the specified format format.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function format($format, $local = false, $translate = true)
|
||
|
|
{
|
||
|
|
if ($translate)
|
||
|
|
{
|
||
|
|
// Do string replacements for date format options that can be translated.
|
||
|
|
$format = preg_replace('/(^|[^\\\])D/', "\\1" . self::DAY_ABBR, $format);
|
||
|
|
$format = preg_replace('/(^|[^\\\])l/', "\\1" . self::DAY_NAME, $format);
|
||
|
|
$format = preg_replace('/(^|[^\\\])M/', "\\1" . self::MONTH_ABBR, $format);
|
||
|
|
$format = preg_replace('/(^|[^\\\])F/', "\\1" . self::MONTH_NAME, $format);
|
||
|
|
}
|
||
|
|
|
||
|
|
// If the returned time should not be local use GMT.
|
||
|
|
if ($local == false)
|
||
|
|
{
|
||
|
|
parent::setTimezone(self::$gmt);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Format the date.
|
||
|
|
$return = parent::format($format);
|
||
|
|
|
||
|
|
if ($translate)
|
||
|
|
{
|
||
|
|
// Manually modify the month and day strings in the formatted time.
|
||
|
|
if (strpos($return, self::DAY_ABBR) !== false)
|
||
|
|
{
|
||
|
|
$return = str_replace(self::DAY_ABBR, $this->dayToString(parent::format('w'), true), $return);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (strpos($return, self::DAY_NAME) !== false)
|
||
|
|
{
|
||
|
|
$return = str_replace(self::DAY_NAME, $this->dayToString(parent::format('w')), $return);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (strpos($return, self::MONTH_ABBR) !== false)
|
||
|
|
{
|
||
|
|
$return = str_replace(self::MONTH_ABBR, $this->monthToString(parent::format('n'), true), $return);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (strpos($return, self::MONTH_NAME) !== false)
|
||
|
|
{
|
||
|
|
$return = str_replace(self::MONTH_NAME, $this->monthToString(parent::format('n')), $return);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($local == false)
|
||
|
|
{
|
||
|
|
parent::setTimezone($this->tz);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the time offset from GMT in hours or seconds.
|
||
|
|
*
|
||
|
|
* @param boolean $hours True to return the value in hours.
|
||
|
|
*
|
||
|
|
* @return float The time offset from GMT either in hours or in seconds.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function getOffsetFromGMT($hours = false)
|
||
|
|
{
|
||
|
|
return (float) $hours ? ($this->tz->getOffset($this) / 3600) : $this->tz->getOffset($this);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Translates month number to a string.
|
||
|
|
*
|
||
|
|
* @param integer $month The numeric month of the year.
|
||
|
|
* @param boolean $abbr If true, return the abbreviated month string
|
||
|
|
*
|
||
|
|
* @return string The month of the year.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function monthToString($month, $abbr = false)
|
||
|
|
{
|
||
|
|
switch ($month)
|
||
|
|
{
|
||
|
|
case 1:
|
||
|
|
return $abbr ? JText::_('JANUARY_SHORT') : JText::_('JANUARY');
|
||
|
|
case 2:
|
||
|
|
return $abbr ? JText::_('FEBRUARY_SHORT') : JText::_('FEBRUARY');
|
||
|
|
case 3:
|
||
|
|
return $abbr ? JText::_('MARCH_SHORT') : JText::_('MARCH');
|
||
|
|
case 4:
|
||
|
|
return $abbr ? JText::_('APRIL_SHORT') : JText::_('APRIL');
|
||
|
|
case 5:
|
||
|
|
return $abbr ? JText::_('MAY_SHORT') : JText::_('MAY');
|
||
|
|
case 6:
|
||
|
|
return $abbr ? JText::_('JUNE_SHORT') : JText::_('JUNE');
|
||
|
|
case 7:
|
||
|
|
return $abbr ? JText::_('JULY_SHORT') : JText::_('JULY');
|
||
|
|
case 8:
|
||
|
|
return $abbr ? JText::_('AUGUST_SHORT') : JText::_('AUGUST');
|
||
|
|
case 9:
|
||
|
|
return $abbr ? JText::_('SEPTEMBER_SHORT') : JText::_('SEPTEMBER');
|
||
|
|
case 10:
|
||
|
|
return $abbr ? JText::_('OCTOBER_SHORT') : JText::_('OCTOBER');
|
||
|
|
case 11:
|
||
|
|
return $abbr ? JText::_('NOVEMBER_SHORT') : JText::_('NOVEMBER');
|
||
|
|
case 12:
|
||
|
|
return $abbr ? JText::_('DECEMBER_SHORT') : JText::_('DECEMBER');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Method to wrap the setTimezone() function and set the internal time zone object.
|
||
|
|
*
|
||
|
|
* @param DateTimeZone $tz The new DateTimeZone object.
|
||
|
|
*
|
||
|
|
* @return JDate
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
* @note This method can't be type hinted due to a PHP bug: https://bugs.php.net/bug.php?id=61483
|
||
|
|
*/
|
||
|
|
public function setTimezone($tz)
|
||
|
|
{
|
||
|
|
$this->tz = $tz;
|
||
|
|
|
||
|
|
return parent::setTimezone($tz);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the date as an ISO 8601 string. IETF RFC 3339 defines the ISO 8601 format
|
||
|
|
* and it can be found at the IETF Web site.
|
||
|
|
*
|
||
|
|
* @param boolean $local True to return the date string in the local time zone, false to return it in GMT.
|
||
|
|
*
|
||
|
|
* @return string The date string in ISO 8601 format.
|
||
|
|
*
|
||
|
|
* @link http://www.ietf.org/rfc/rfc3339.txt
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function toISO8601($local = false)
|
||
|
|
{
|
||
|
|
return $this->format(DateTime::RFC3339, $local, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the date as an SQL datetime string.
|
||
|
|
*
|
||
|
|
* @param boolean $local True to return the date string in the local time zone, false to return it in GMT.
|
||
|
|
* @param JDatabaseDriver $db The database driver or null to use JFactory::getDbo()
|
||
|
|
*
|
||
|
|
* @return string The date string in SQL datetime format.
|
||
|
|
*
|
||
|
|
* @link http://dev.mysql.com/doc/refman/5.0/en/datetime.html
|
||
|
|
* @since 11.4
|
||
|
|
*/
|
||
|
|
public function toSql($local = false, JDatabaseDriver $db = null)
|
||
|
|
{
|
||
|
|
if ($db === null)
|
||
|
|
{
|
||
|
|
$db = JFactory::getDbo();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->format($db->getDateFormat(), $local, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the date as an RFC 822 string. IETF RFC 2822 supercedes RFC 822 and its definition
|
||
|
|
* can be found at the IETF Web site.
|
||
|
|
*
|
||
|
|
* @param boolean $local True to return the date string in the local time zone, false to return it in GMT.
|
||
|
|
*
|
||
|
|
* @return string The date string in RFC 822 format.
|
||
|
|
*
|
||
|
|
* @link http://www.ietf.org/rfc/rfc2822.txt
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function toRFC822($local = false)
|
||
|
|
{
|
||
|
|
return $this->format(DateTime::RFC2822, $local, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the date as UNIX time stamp.
|
||
|
|
*
|
||
|
|
* @return integer The date as a UNIX timestamp.
|
||
|
|
*
|
||
|
|
* @since 11.1
|
||
|
|
*/
|
||
|
|
public function toUnix()
|
||
|
|
{
|
||
|
|
return (int) parent::format('U');
|
||
|
|
}
|
||
|
|
}
|