Subversion-Projekte lars-tiefland.laravel_shop

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    }
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    }
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    /**
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    /**
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     * Count the number of items in the collection by a field or using a callback.
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     * Count the number of items in the collection by a field or using a callback.
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     *
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     *
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     * @param  (callable(TValue, TKey): mixed)|string|null  $countBy
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     * @param  (callable(TValue, TKey): array-key)|string|null  $countBy
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     * @return static<array-key, int>
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     * @return static<array-key, int>
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     */
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     */
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    public function countBy($countBy = null)
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    public function countBy($countBy = null)
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    {
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    {