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'mysql' => [
    'driver' => 'mysql',
    'host' => env('DB_HOST', '127.0.0.1'),
    'port' => env('DB_PORT', '3306'),
    'database' => env('DB_DATABASE', 'forge'),
    'username' => env('DB_USERNAME', 'forge'),
    'password' => env('DB_PASSWORD', ''),
    'unix_socket' => env('DB_SOCKET', ''),
    'charset' => 'utf8mb4',
    'collation' => 'utf8mb4_unicode_ci',
    'prefix' => '',
    'strict' => true,
    'engine' => null,
    'options' => array(
        PDO::ATTR_EMULATE_PREPARES => true,
    ),
],

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DB_CONNECTION=mysql
DB_HOST=localhost
DB_PORT=3306
DB_DATABASE=mydatabase
DB_USERNAME=myusername
DB_PASSWORD=mypassword

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CREATE PROCEDURE my_procedure (IN id INT, IN name VARCHAR(255), OUT result INT)
BEGIN
    -- ÔÚ´Ë´¦±àд´æ´¢Àú³ÌµÄÏêϸ´úÂë
    -- ÀýÈ磺½«idºÍname²åÈëµ½Êý¾Ý¿â±íÖУ¬²¢½«²åÈëµÄÊý¾ÝµÄÖ÷¼ü·µ»Øµ½result±äÁ¿
    INSERT INTO my_table(id, name) VALUES (id, name);
    SET result = LAST_INSERT_ID();
END

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$pdo = DB::connection()->getPdo();
$stmt = $pdo->prepare("CALL my_procedure(?, ?, @result)");
$stmt->bindParam(1, $id, PDO::PARAM_INT);
$stmt->bindParam(2, $name, PDO::PARAM_STR);
$stmt->execute();
$select = $pdo->query("SELECT @result AS result");
$result = $select->fetch(PDO::FETCH_ASSOC)['result'];

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