/
Date.php
302 lines (269 loc) · 5.86 KB
/
Date.php
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<?php
/**
* @package Prism
* @subpackage Dates
* @author Todor Iliev
* @copyright Copyright (C) 2016 Todor Iliev <todor@itprism.com>. All rights reserved.
* @license GNU General Public License version 3 or later; see LICENSE.txt
*/
namespace Prism;
defined('JPATH_PLATFORM') or die;
/**
* This is a class that provides functionality for managing dates.
*
* @package Prism
* @subpackage Dates
*/
class Date extends \JDate
{
/**
* Return last date.
*
* <code>
* $date = new PrismDate();
*
* $yesterday = $date->getLastDay();
* </code>
*
* @return self
*/
public function getLastDay()
{
$day = clone $this;
$day->modify('yesterday');
return $day;
}
/**
* Return the begin of a day.
*
* <code>
* $date = new PrismDate();
*
* $beginOfDay = $date->getBeginOfDay();
* </code>
*
* @return self
*/
public function getBeginOfDay()
{
$day = clone $this;
$day->setTime(0, 0, 0);
return $day;
}
/**
* Return the end of a day.
*
* <code>
* $date = new PrismDate();
*
* $endOfDay = $date->getEndOfDay();
* </code>
*
* @return self
*/
public function getEndOfDay()
{
$day = clone $this;
$day->setTime(0, 0, 0);
$endOfDay = clone $day;
$endOfDay->modify('tomorrow');
$endOfDay->modify('1 second ago');
return $endOfDay;
}
/**
* Return a day of last week.
*
* <code>
* $date = new PrismDate();
*
* $lastWeekDay = $date->getLastWeek();
* </code>
*
* @return self
*/
public function getLastWeek()
{
$day = clone $this;
$day->modify('7 days ago');
return $day;
}
/**
* Return the first day of last week.
*
* <code>
* $date = new PrismDate();
*
* $beginOfWeek = $date->getBeginOfWeek();
* </code>
*
* @return self
*/
public function getBeginOfWeek()
{
$monday = clone $this;
$monday->modify(('Sunday' === $monday->format('l')) ? 'Monday last week' : 'Monday this week');
return $monday;
}
/**
* Return the last day of last week.
*
* <code>
* $date = new PrismDate();
*
* $endOfWeek = $date->getEndOfWeek();
* </code>
*
* @return self
*/
public function getEndOfWeek()
{
$sunday = clone $this;
$sunday->modify('Sunday this week');
return $sunday;
}
/**
* Return the first day of a month.
*
* <code>
* $date = new PrismDate();
*
* $beginOfMonth = $date->getBeginOfMonth();
* </code>
*
* @return self
*/
public function getBeginOfMonth()
{
$firstDay = clone $this;
$firstDay->modify('first day of this month');
return $firstDay;
}
/**
* Return the last day of a month.
*
* <code>
* $date = new PrismDate();
*
* $endOfMonth = $date->getEndOfMonth();
* </code>
*
* @return self
*/
public function getEndOfMonth()
{
$lastDay = clone $this;
$lastDay->modify('last day of this month');
return $lastDay;
}
/**
* Return the first day of an year.
*
* <code>
* $date = new PrismDate();
*
* $beginOfYear = $date->getBeginOfYear();
* </code>
*
* @return self
*/
public function getBeginOfYear()
{
// Get the current year.
$year = clone $this;
$thisYear = $year->format('Y');
$firstDay = clone $this;
$firstDay->modify('first day of January '.$thisYear);
return $firstDay;
}
/**
* Return the last day of an year.
*
* <code>
* $date = new PrismDate();
*
* $endOfYear = $date->getEndOfYear();
* </code>
*
* @return self
*/
public function getEndOfYear()
{
// Get the current year.
$year = clone $this;
$thisYear = $year->format('Y');
$lastDay = clone $this;
$lastDay->modify('last day of December '. $thisYear);
return $lastDay;
}
/**
* Return a period between two dates in days.
*
* <code>
* $date = new PrismDate();
*
* $date1 = new PrismDate("now");
* $date2 = new PrismDate("01-01-2020);
*
* $period = $date->getDaysPeriod($date1, $date2);
* </code>
*
* @param \JDate $date1
* @param \JDate $date2
*
* @return self
*/
public function getDaysPeriod(\JDate $date1, \JDate $date2)
{
$period = new \DatePeriod(
$date1,
new \DateInterval('P1D'),
$date2
);
return $period;
}
/**
* Calculate end date from starting one and some days.
*
* <code>
* $days = 30;
*
* $date = new PrismDate("now");
*
* $endDate = $date->calculateEndDate();
* </code>
*
* @param int $days This is period in days.
*
* @return self
*/
public function calculateEndDate($days)
{
$endDate = clone $this;
$endDate->modify('+' . (int)$days . ' days');
return $endDate;
}
/**
* Check whether the date is part of the current week.
*
* <code>
* $date = new PrismDate("05-06-2014");
*
* if ($date->isCurrentWeekDay()) {
* ...
* }
* </code>
*
* @return bool
*/
public function isCurrentWeekDay()
{
$today = new Date();
$startOfWeek = $today->getBeginOfWeek();
$endOfWeek = $today->getEndOfWeek();
if ($startOfWeek <= $this and $this <= $endOfWeek) {
return true;
} else {
return false;
}
}
}