キー値に基づいて 2 次元配列を追加する

キー値に基づいて 2 次元配列を追加する
各配列のキー値に基づいて追加するにはどうすればよいですか?


配列
(
[0] => 配列
(
以来 [regs] =＆gt; [ログイン] => [支払い] = & gt;
[購入] = & gt; 4
[支払い] =＆gt; [再充電] =＆gt; [リチャージ] => 3600.00
)

[1] => 配列
(
[登録] = & gt;
[regs] =＆gt; [ログイン] => [支払い] = & gt;
[購入] = & gt;
                                                                                                                                                                                                                                                                 [リチャージ] = & gt;
[Rechargea] =＆gt; )

[2] => 配列
(
以来 [regs] =＆gt; [ログイン] =＆gt; [支払い] = & gt;
[購入] = & gt; 1
[支払い] => [リチャージ] = & gt;
[リチャージ] => 0.00
) )