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<?php
/*
* Copyright 2013 Shaun Simmons
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* Based on rrule.js
* Copyright 2010, Jakub Roztocil and Lars Schoning
* https://github.com/jkbr/rrule/blob/master/LICENCE
*/
namespace Recurr;
use Recurr\Exception\InvalidWeekday;
/**
* Class Weekday is a storage container for a day of the week.
*
* @package Recurr
* @author Shaun Simmons <shaun@envysphere.com>
*/
class Weekday
{
/**
* Weekday number.
*
* 0 = Sunday
* 1 = Monday
* 2 = Tuesday
* 3 = Wednesday
* 4 = Thursday
* 5 = Friday
* 6 = Saturday
*
* @var string
*/
public $weekday;
/** @var int nth occurrence of the weekday */
public $num;
protected $days = array('MO', 'TU', 'WE', 'TH', 'FR', 'SA', 'SU');
/**
* @param int|string $weekday 0-6 or MO..SU
* @param null|int $num
*
* @throws InvalidWeekday
*/
public function __construct($weekday, $num)
{
if (is_numeric($weekday) && $weekday > 6 || $weekday < 0) {
throw new InvalidWeekday('Day is not a valid weekday (0-6)');
} elseif (!is_numeric($weekday) && !in_array($weekday, $this->days)) {
throw new InvalidWeekday('Day is not a valid weekday (SU, MO, ...)');
}
if (!is_numeric($weekday)) {
$weekday = array_search($weekday, $this->days);
}
$this->weekday = $weekday;
$this->num = $num;
}
public function __toString()
{
return $this->num . $this->days[$this->weekday];
}
}
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