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<?php $investors = []; for ($i = 0; $i < 2; ++$i) { for ($k = 0; $k < 3; ++$k) { $investors[$k]['b_amount'] = ($investors[$k]['b_amount'] ?? 0) + 1 * $k + $i; $investors[$k]['recv_total'] = ($investors[$k]['recv_total'] ?? 0) + 1 + $k + $i; } } var_export($investors);

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103.03 ms | 1290 KiB | 5 Q