array(3) { [0]=> array(2) { ["sourcesid"]=> int(1) ["addusernum"]=> string(1) "4" } [1]=> array(2) { ["sourcesid"]=> int(6) ["addusernum"]=> string(2) "29" } [2]=> array(2) { ["sourcesid"]=> string(1) "6" ["addusernum"]=> string(2) "63" } }
解决方案:
foreach($sourceData as $k=>$v){ if(!isset($item[$v['sourcesid']])){ $item[$v['sourcesid']]=$v; }else{ $item[$v['sourcesid']]['addusernum']+=$v['addusernum']; } }
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