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PDO operation

2022-07-23 17:49:00 【Ideal coder】

Database connection ：

<?php
try {
    $dbh = new PDO('mysql:host=localhost;dbname=xb_yxb', "root", "123");
    foreach($dbh->query('SELECT long_name from user limit 10') as $row) {
    print_r($row);
    $dbh = null;
}catch (PDOException $e) {
    print "Error!: " . $e->getMessage() . "<br/>";
    die();
}
?>

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https://yzsam.com/2022/204/202207231503330747.html