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Created draft for month array based on date

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Dennis Eichhorn 2017-08-10 11:03:50 +02:00 committed by GitHub
parent 5fedebbf7f
commit 7c75052de0
1 changed files with 79 additions and 8 deletions
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87
Datatypes/SmartDateTime.php
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@ -51,6 +51,20 @@ class SmartDateTime extends \DateTime
{
parent::__construct($time, $timezone);
}
/**
* Create object from DateTime
*
* @param \DateTime $date DateTime to extend
*
* @return SmartDateTime
*
* @since 1.0.0
*/
public static function createFromDateTime(\Datetime $date) : SmarteDateTime
{
return new self('Y-m-d H:i:s', $date->getTimezone());
}
/**
* Modify datetime in a smart way.
@ -201,6 +215,10 @@ class SmartDateTime extends \DateTime
/**
* Get day of week
*
* @param int $y Year
* @param int $m Month
* @param int $d Day
*
* @return int
*
* @since 1.0.0
@ -215,21 +233,74 @@ class SmartDateTime extends \DateTime
$ry = $y - 1 - $ly;
$w = $w + $ry;
$w = $w + 2 * $ly;
$w = $w + date("z", mktime(0, 0, 0, $m, $d, $y)) + 1;;
$w = $w + date("z", mktime(0, 0, 0, $m, $d, $y)) + 1;
$w = ($w - 1) % 7 + 1;
return $w;
}
/**
* Get day of week
*
* @return int
*
* @since 1.0.0
*/
public function getFirstDayOfWeek() : int
{
$w = 1;
$y = ((int) $this->formay('Y') - 1) % 400 + 1;
$ly = ($y - 1) / 4;
$ly = $ly - ($y - 1) / 100;
$ly = $ly + ($y - 1) / 400;
$ry = $y - 1 - $ly;
$w = $w + $ry;
$w = $w + 2 * $ly;
$w = $w + date("z", mktime(0, 0, 0, (int) $this->formay('m'), (int) $this->formay('d'), $y)) + 1;
$w = ($w - 1) % 7 + 1;
return $w;
}
/**
* Create calendar array
*
* @param int $weekStartsWith Day of the week start (0 = Sunday)
*
* @return array
*
* @since 1.0.0
*/
public function getMonthCalendar(int $weekStartsWith = 0) : array
{
// get day of first day in month
// calculate difference to $weekStartsWith
// get days of previous month
// add difference to $weekStartsWith counting backwards from days of previous month (reorder so that lowest value first)
// add normal count of current days
// add remaining days to next month (7*6 - difference+count of current month)
$days = [];
// return maybe two dimensional array (one week = first dimension) one dimensional also ok with some easy calculations (one week = 7 days)
// get day of first day in month
$firstDay = $this->getFirstDayOfMonth();
// calculate difference to $weekStartsWith
$diffToWeekStart = Functions::mod($firstDay - $weekStartsWith, 7);
$diffToWeekStart = $diffToWeekStart === 0 ? 7 : $diffToWeekStart;
// get days of previous month
$previousMonth = self::createModify(0, -1);
$daysPreviousMonth = $previousMonth->getDaysOfMonth();
// add difference to $weekStartsWith counting backwards from days of previous month (reorder so that lowest value first)
for($i = $daysPreviousMonth - $diffToWeekStart; $i < $daysPreviousMonth; $i++) {
$days[] = $i;
}
// add normal count of current days
$daysMonth = $this->getDaysOfMonth();
for($i = 1; $i <= $daysMonth; $i++) {
$days[] = $i;
}
// add remaining days to next month (7*6 - difference+count of current month)
for($i = 42 - $daysPreviousMonth - $daysMonth; $i < 42; $i++) {
$days[] = $i;
}
return $days;
}
}