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json_encode PHP 他言語に値を渡す

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用途

他言語に値を渡したいときに使う。

使用方法

JSONは、多様なプログラミング言語に対応するデータ記述言語。
JSONを使うことで言語関係なく値の受け渡しが可能になる。

書き方
json_encode($値, JSON定数);

※JSON定数は省略可能

json_encode($hoge);

日本語で変換

書き方
json_encode($値, JSON_UNESCAPED_UNICODE);

※JSON定数に JSON_UNESCAPED_UNICODE を指定する。

値ごとに改行して出力

書き方
json_encode($値, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT);

※JSON定数に JSON_PRETTY_PRINT を指定する。
※日本語に変換するJSON定数と併用可能。

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