回答編集履歴
2
微調整
answer
CHANGED
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@@ -15,11 +15,11 @@
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15
15
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return array_reduce(array_filter($a,function($y) use($x){
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16
16
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return $y["post_id"]==$x;
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17
17
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}),function($x,$y){
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18
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-
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18
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+
return array_merge($x,$y);
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19
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-
return $x;
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20
19
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},[]);
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21
20
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},array_unique(array_map(function($x){
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22
21
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return $x["post_id"];
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23
22
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},$a)));
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24
23
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print_r($b);
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25
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-
```
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24
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+
```
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25
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+
※微調整
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1
chousei
answer
CHANGED
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@@ -22,5 +22,4 @@
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22
22
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return $x["post_id"];
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23
23
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},$a)));
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24
24
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print_r($b);
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25
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-
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26
25
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```
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