回答編集履歴
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回答追記
test
CHANGED
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@@ -3,3 +3,57 @@
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5
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元の位置を保ってマージすればいいのでは？
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6
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7
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#コードサンプル
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途中まで、yambejpさんのコードをもらいます。
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```PHP
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$a=[
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["hoge"=>1 ,"fuga"=>0],
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["hoge"=>2 ,"fuga"=>0],
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["hoge"=>3 ,"fuga"=>1],
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["hoge"=>4 ,"fuga"=>0],
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["hoge"=>5 ,"fuga"=>2],
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["hoge"=>6 ,"fuga"=>3],
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["hoge"=>7 ,"fuga"=>0],
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["hoge"=>8 ,"fuga"=>0],
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];
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$b=array_filter($a,function($x){
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return $x["fuga"]===0;
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});
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shuffle($b);
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$bi=0;
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foreach($a as $ai => $val){
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if($val["fuga"]===0){
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$a[$ai] = $b[$bi];
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$bi++;
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}
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}
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```
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