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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 />
<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 />
<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 />