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@ 2023-07-15T08:24:56Z

<?php
abstract class DataMapper
{
    // 削除
    public function delete(array $conditions): int
    {
        // 削除に失敗して例外が発生したと仮定
        throw new RangeException('削除に失敗しました');
        // 本来は削除に成功した行数を rowCount で得て返す
        return 1;
    }
}

class CommentMapper extends DataMapper
{
    // コメント削除
    public function destroyComment(int $comment_id): int
    {
        try {
            $conditions = ['id'=>$comment_id];
            $rowCount = parent::delete($conditions);
            return $rowCount;
        } catch (Exception $e) {
            echo $e->getMessage();
        }
    }
}

class CommentController
{
    public function destroyAction(int $comment_id): void
    {
        $commentMapper = new CommentMapper();
        $rowCount = $commentMapper->destroyComment($comment_id);
        var_dump($rowCount);
    }
}

$commentController = new CommentController();
$commentController->destroyAction(1);

Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0 - 8.5.1: 削除に失敗しました Fatal error: Uncaught TypeError: CommentMapper::destroyComment(): Return value must be of type int, none returned in /in/i5lbv:26 Stack trace: #0 /in/i5lbv(34): CommentMapper->destroyComment(1) #1 /in/i5lbv(40): CommentController->destroyAction(1) #2 {main} thrown in /in/i5lbv on line 26
Process exited with code 255.
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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