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Asked: 2026-06-11T23:33:22+00:00

I am just wondering what the definitive answer to this question is. The PHP

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I am just wondering what the definitive answer to this question is. The PHP PDO documentation warns that PDOStatement->rowCount cannot be relied up to return the number of rows “affected” with a SELECT statement. And yet I find that this continues to work perefectly with mySQL + PHP version after version. Perhaps there is an issue when using another DB but if I don’t ever want to migrate to another DB should I really care?

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1 Answer

  1. Editorial Team

    Yes, you should still care about the usage of that method. It’s not just the database, but PHP itself can be a problem.

    If you want to play it safe, it’s better if you just issue a SELECT COUNT(*) instead.

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