php对数组某一字段求和_在PHP中对数组的部分求和
这超出了我的范围.感谢一些帮助.我在php中有一个数组,如下所示：[0] => Array([cust_id] => 1006[no_of_subs] => 2[dlv_id] => 1000)[1] => Array([cust_id] => 1011[no_of_subs] => 3[dlv_id] => 1000)[2] => Array...
