引用:

<?php
try {
        $conn = new PDO('mysql:host=11.22.33.44;dbname=adj', 'adj', '12345678', array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8"));
        echo 'Connecting';
} catch(PDOException $ex) {
        echo $ex->getMessage();
        unset($conn);
        exit();
}
?>