Why Are My MySQL Integers Returned as Strings in PDO, and How Can I Fix It?

PDO and MySQL: Retrieving Numeric Values

When working with PDO and MySQL, you may encounter instances where integer values retrieved from the database are returned as strings rather than numeric types. To address this issue, it's crucial to disable the PDO prepared statement emulation.

To do so:

$pdo = new PDO($dsn, $user, $password, [
    PDO::ATTR_EMULATE_PREPARES => false,
]);

By disabling emulation, PDO will utilize native data types for prepared statements. This ensures that integer values are returned as numeric types.

Note that the PDO::ATTR_STRINGIFY_FETCHES attribute is not relevant for MySQL.

Despite this inconvenience, using prepared statements is a highly recommended practice, offering improved security and performance.

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