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PHPでExceptionを簡潔に書く

Posted at

Exceptionを吐くことのあるメソッドを使う場合は、呼び出し元ですべてtry catchしないといけないと思っていたが、そんなことしなくていいみたい。

綺麗に直したバージョン

実行結果

error

コード

try {
    Hoge::hoge_func();
} catch (Exception $e) {
    print $e->getMessage();
}

class Hoge{
    public static function hoge_func(){
        Fuga::fuga_func();
    }
}

class Fuga{
    public static function fuga_func(){
        throw new Exception("error");
    }
}

冗長に書いてしまっていたバージョン

実行結果は同じですが、無意味にhoge_funcの中でtry catchしてました。

error
try {
    Hoge::hoge_func();
} catch (Exception $e) {
    print $e->getMessage();
}

class Hoge{
    public static function hoge_func(){
        try {
            Fuga::fuga_func();
        } catch (Exception $e) {
            throw $e;
        }
    }
}

class Fuga{
    public static function fuga_func(){
        throw new Exception("error");
    }
}

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