$arr = [
["name"=>"abc",value=>12],
["name"=>"abc",value=>15],
["name"=>"abc123",value=>555],
];
$arr
$arr = [
["name"=>"abc",value=>27],
["name"=>"abc123",value=>555],
];
? ?<?php
$arr = [
['name'=>'abc',"value"=>12],
['name'=>'abc',"value"=>15],
['name'=>'abc123',"value"=>555],
];
$re = array_reduce($arr,function($p,$c){
foreach($p as &$item){
if($item["name"] == $c["name"]){
echo $c["value"];
echo $item["value"];
$item["value"]=$item["value"]+$c["value"];
return $p;
}
}
array_push($p,$c);
return $p;
},[]);
function test($arr, $k, $v){
$aa = [];
foreach($arr as $item) {
$aa[$item[$k]] = isset($aa[$item[$k]]) ? $aa[$item[$k]] + $item[$v] : $item[$v];
}
return $aa;
}
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