下面这堆数组wid,gid全部相同的,要求Num累加,不同的不操作直接显示,数组去重如何实现?Array([0]=>Array([id]=>1[no]=>WF20170001[wid]=>1[gid]=>1[num]=>4[price]=>2.55[amount]=>10.20[buyer]=>顾文君[invoice]=>123456789[date]=>2017-03-28[remarks]=>测试数据[cid]=>pc001[class]=>办公用品[name]=>笔记本电脑[type]=>AcerAspireE1-410G[unit]=>台[warehouse_name]=>办公用品仓库)[1]=>Array([id]=>3[no]=>WF20170001[wid]=>1[gid]=>5[num]=>5[price]=>100.00[amount]=>500.00[buyer]=>顾文君[invoice]=>1231241[date]=>2017-04-14[remarks]=>入库测试[cid]=>tf001[class]=>办公用品[name]=>打印机碳粉[type]=>88A[unit]=>支[warehouse_name]=>办公用品仓库)[2]=>Array([id]=>4[no]=>WF20170001[wid]=>1[gid]=>2[num]=>1[price]=>4500.00[amount]=>4500.00[buyer]=>张秀珍[invoice]=>4558895[date]=>2017-04-09[remarks]=>入库测试[cid]=>pc002[class]=>办公用品[name]=>笔记本电脑[type]=>AcerAspireE5-571G-58WT[unit]=>台[warehouse_name]=>办公用品仓库)[3]=>Array([id]=>5[no]=>WF20170002[wid]=>1[gid]=>3[num]=>1[price]=>88.00[amount]=>88.00[buyer]=>顾文君[invoice]=>556789[date]=>2017-04-09[remarks]=>测试数据[cid]=>ow[class]=>办公用品[name]=>万用表[type]=>万用表[unit]=>台[warehouse_name]=>办公用品仓库)[4]=>Array([id]=>12[no]=>WF20170001[wid]=>1[gid]=>1[num]=>1[price]=>2.55[amount]=>2.55[buyer]=>顾文君[invoice]=>53412312[date]=>2017-06-05[remarks]=>无[cid]=>pc001[class]=>办公用品[name]=>笔记本电脑[type]=>AcerAspireE1-410G[unit]=>台[warehouse_name]=>办公用品仓库))
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