回答編集履歴
3
調整
test
CHANGED
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@@ -11,9 +11,9 @@
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|
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11
11
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["age" => 90],
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12
12
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["age" => 100],
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13
13
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];
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14
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-
$b=array_reduce($a,function($x,$y) use(&$
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14
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+
$b=array_reduce($a,function($x,$y) use(&$key){
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15
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-
$
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15
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+
$key++;
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16
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-
$x[intval($key/5)["user".$
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16
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+
$x[intval($key/5)]["user".$key]=$y["age"];
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17
17
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return $x;
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18
18
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},[]);
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19
19
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print_r($b);
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2
chousei
test
CHANGED
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@@ -13,8 +13,15 @@
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13
13
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];
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14
14
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$b=array_reduce($a,function($x,$y) use(&$count){
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15
15
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$count++;
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16
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-
$x[
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16
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+
$x[intval($key/5)["user".$count]=$y["age"];
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17
17
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return $x;
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18
18
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},[]);
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19
19
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print_r($b);
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20
20
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```
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21
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+
foreachでやるなら
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22
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+
```PHP
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|
23
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+
foreach($a as $key=>$val){
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24
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+
$b[intval($key/5)]["user".($key+1)]=$val["age"];
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25
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+
}
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26
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+
print_r($b);
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27
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+
```
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1
chousei
test
CHANGED
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@@ -1,5 +1,4 @@
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1
1
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```PHP
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2
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-
<?PHP
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3
2
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$a=[
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4
3
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["age" => 10],
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5
4
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["age" => 20],
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@@ -16,6 +15,6 @@
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16
15
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$count++;
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17
16
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$x[$count<5?0:1]["user".$count]=$y["age"];
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18
17
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return $x;
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19
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-
},[
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|
18
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+
},[]);
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20
19
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print_r($b);
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21
20
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```
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