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Revision Autor Zeilennr. Zeile
148 lars 1 
<?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  array  $sequence
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     * @return void
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     */
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    public function __construct(...$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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}