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| Target | News |
| Subject | 使える関数array_map() |
| Summary | PHPコードを書くとき、処理速度の関係から、極力ビルトイン関数を使うようにしているのだが、最近のお気に入りはarray_map()。これがいろいろな局面で使える。例えば、フォームにカンマ区切りで、複数の値を入力してもらう時。1,2,3,4 とか。これをint型の配列で取得した... |
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