数组加减有关问题

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Release: 2016-06-13 11:33:18
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数组加减问题
已知数组a和b。

<br />//数组a:<br />array (<br />  0 => <br />  array (<br />    'cust_no' => '310F6 1VA5A',<br />    'lotno' => '2X15',<br />    'part_count' => '32',<br />  ),<br />  1 => <br />  array (<br />    'cust_no' => '310F6 1VA5A',<br />    'lotno' => '2Z25',<br />    'part_count' => '32',<br />  ),<br />)<br /><br />//数组b:<br /><br />array (<br />  0 => <br />  array (<br />    'cust_no' => '310F6 1VA5A',<br />    'total' => '48',<br />  ),<br />)<br />
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数组a cust_no为310F6 1VA5A时,对应的总量是32+32=64,数组b cust_no为310F6 1VA5A时对应的总量是48。
想求得数组b总量为48时,对应数组a中的哪些内容?数组a剩余的结果是多少?

以这个例子来说,
得到数组a的结果:
<br />//数组a:<br />array (<br />  0 => <br />  array (<br />    'cust_no' => '310F6 1VA5A',<br />    'lotno' => '2X15',<br />    'part_count' => '32',<br />  ),<br />  1 => <br />  array (<br />    'cust_no' => '310F6 1VA5A',<br />    'lotno' => '2Z25',<br />    'part_count' => '16',<br />  ),<br />)<br />
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剩余数组a的结果:
<br />//数组a:<br />array (<br />  0 => <br />  array (<br />    'cust_no' => '310F6 1VA5A',<br />    'lotno' => '2X15',<br />    'part_count' => '0',<br />  ),<br />  1 => <br />  array (<br />    'cust_no' => '310F6 1VA5A',<br />    'lotno' => '2Z25',<br />    'part_count' => '16',<br />  ),<br />)<br />
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如何能得到这样的结果?

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