How to merge two arrays of php into one array

$a= [
       ["id"=>1,"age"=>12],
       ["id"=>2,"age"=>13],
       ["id"=>3,"age"=>15]
];
$b= [
        ["id"=>1,"money"=>100],
        ["id"=>3,"money"=>400],  
        ["id"=>2,"money"=>200]
];

how to merge into an array according to id value matching to form this. 

$c=[
       ["id"=>1,"age"=>12,"money"=>100],
       ["id"=>2,"age"=>13,"money"=>200],
       ["id"=>3,"age"=>15,"money"=>400] 
];
Php
Apr.25,2021

$c = array_map ('array_merge',$a,$b);
print_r ($c); 

    $a= [
           ['id'=>1,'age'=>12],
           ['id'=>2,'age'=>13],
           ['id'=>3,'age'=>15]
    ];

    $b= [
            ['id'=>1,'money'=>100],
            ['id'=>3,'money'=>400],
            ['id'=>2,'money'=>200]
    ];
    $res_id_a = array_column($a,null,'id');
    $res_id_b = array_column($b,null,'id');
    foreach($res_id_a as $key => &$val){
        $val['money'] = $res_id_b[$key]['money'];
    }
    var_dump($res_id_a);die();
$a = [
  ['id' => 1, 'age' => 12],
  ['id' => 2, 'age' => 13],
  ['id' => 3, 'age' => 15]
];

$b = [
  ['id' => 1, 'money' => 100],
  ['id' => 2, 'money' => 200],
  ['id' => 3, 'money' => 400],
];

$c = [];

foreach ($a as $_a) {
  $_c = $_a;
  foreach ($b as $_b) {
    if ($_a['id'] === $_b['id']) {
      $_c['money'] = $_b['money'];
    }
  }
  $c[] = $_c;
}

print_r($c);

consider array_map

Previous: How to introduce mixin function defined in Global postcss into Vue

Next: What are the independent configuration items in webpack config?

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
© 2021 CodesHelper
Advertising Contact us About us
Menu