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Laravel で Model オブジェクトを新規データとしてコピーする

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replicate()っていうのを使う。

こんな感じ。

$user = User::find(1)
$new_user = $user->replicate();
$new_user->name = 'new name';
$new_user->save();

内部的には、こんな感じで実装されている。

    /**
     * Clone the model into a new, non-existing instance.
     *
     * @param  array  $except
     * @return \Illuminate\Database\Eloquent\Model
     */
    public function replicate(array $except = null)
    {
        $except = $except ?: [
            $this->getKeyName(),
            $this->getCreatedAtColumn(),
            $this->getUpdatedAtColumn(),
        ];

        $attributes = array_except($this->attributes, $except);

        with($instance = new static)->setRawAttributes($attributes);

        return $instance->setRelations($this->relations);
    }

参考)
http://stackoverflow.com/questions/18322214/laravel4-duplicate-copy-table-row

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