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