64 lines
1.1 KiB
PHP
64 lines
1.1 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
namespace Illuminate\Database\Eloquent\Factories;
|
||
|
|
|
||
|
|
use Countable;
|
||
|
|
|
||
|
|
class Sequence implements Countable
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* The sequence of return values.
|
||
|
|
*
|
||
|
|
* @var array
|
||
|
|
*/
|
||
|
|
protected $sequence;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The count of the sequence items.
|
||
|
|
*
|
||
|
|
* @var int
|
||
|
|
*/
|
||
|
|
public $count;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The current index of the sequence iteration.
|
||
|
|
*
|
||
|
|
* @var int
|
||
|
|
*/
|
||
|
|
public $index = 0;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Create a new sequence instance.
|
||
|
|
*
|
||
|
|
* @param mixed ...$sequence
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function __construct(...$sequence)
|
||
|
|
{
|
||
|
|
$this->sequence = $sequence;
|
||
|
|
$this->count = count($sequence);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the current count of the sequence items.
|
||
|
|
*
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function count(): int
|
||
|
|
{
|
||
|
|
return $this->count;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the next value in the sequence.
|
||
|
|
*
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
public function __invoke()
|
||
|
|
{
|
||
|
|
return tap(value($this->sequence[$this->index % $this->count], $this), function () {
|
||
|
|
$this->index = $this->index + 1;
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|