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103 lines
2.6 KiB
PHP
103 lines
2.6 KiB
PHP
<?php
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/**
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* Orange Management
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*
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* PHP Version 7.0
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*
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* @category TBD
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* @package TBD
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* @author OMS Development Team <dev@oms.com>
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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* @copyright 2013 Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link http://orange-management.com
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*/
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namespace phpOMS\Datatypes;
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/**
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* SmartDateTime.
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*
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* Providing smarter datetimes
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*
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* @category Modules
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* @package phpOMS\Datatypes
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* @author OMS Development Team <dev@oms.com>
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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* @license OMS License 1.0
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* @link http://orange-management.com
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* @since 1.0.0
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*/
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class SmartDateTime extends \DateTime
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{
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const FORMAT = 'Y-m-d hh:mm:ss';
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const TIMEZONE = 'UTC';
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/**
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* {@inheritdoc}
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*/
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public function __construct($time = 'now', $timezone = null)
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{
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parent::__construct($time, $timezone);
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}
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/**
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* Modify datetime in a smart way.
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*
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* @param \int $y Year
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* @param \int $m Month
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* @param \int $d Day
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* @param \int $calendar Calendar
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*
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* @return SmartDateTime
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*
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* @since 1.0.0
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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*/
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public function createModify(\int $y, \int $m = 0, \int $d = 0, \int $calendar = CAL_GREGORIAN) : SmartDateTime
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{
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$dt = clone $this;
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$dt->smartModify($y, $m, $d, $calendar);
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return $dt;
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}
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/**
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* Modify datetime in a smart way.
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*
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* @param \int $y Year
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* @param \int $m Month
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* @param \int $d Day
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* @param \int $calendar Calendar
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*
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* @return void
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*
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* @since 1.0.0
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* @author Dennis Eichhorn <d.eichhorn@oms.com>
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*/
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public function smartModify(\int $y, \int $m = 0, \int $d = 0, \int $calendar = CAL_GREGORIAN)
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{
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$y_new = (int) $this->format('Y') + $y;
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$m_new = ((int) $this->format('m') + $m) % 12;
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$m_new = $m_new === 0 ? 12 : $m_new;
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$d_month_old = cal_days_in_month($calendar, (int) $this->format('m'), (int) $this->format('Y'));
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$d_month_new = cal_days_in_month($calendar, $m_new, $y_new);
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$d_old = (int) $this->format('d');
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if ($d_old > $d_month_new) {
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$d_new = $d_month_new;
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} elseif ($d_old < $d_month_new && $d_old === $d_month_old) {
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$d_new = $d_month_new;
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} else {
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$d_new = $d_old;
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}
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$this->setDate($y_new, $m_new, $d_new);
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if ($d !== 0) {
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$this->modify($d . ' day');
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}
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}
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}
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