Bagaimanakah Saya Boleh Mengoptimumkan Penggunaan Penyata Disediakan dalam PHP dengan MySQLi?

// Bind parameters for the first insertion
$name1 = 'one';
$age1  = 1;
$stmt->bind_param('si', $name1, $age1);

// Execute for the first insertion
$stmt->execute();

// Bind parameters for the second insertion
$name2 = 'two';
$age2  = 1;
$stmt->bind_param('si', $name2, $age2);

// Execute for the second insertion
$stmt->execute();

// Database connection
$mysqli = new mysqli("localhost", "root", "root", "test");

if ($mysqli->connect_errno) {
    echo "Failed to connect: " . $mysqli->connect_error;
    exit;
}

// Prepare statement
$stmt = $mysqli->prepare("INSERT INTO users (name, age) VALUES (?,?)");

if (!$stmt) {
    echo "Prepare failed: " . $mysqli->error;
    exit;
}

// Bind parameters for the first insertion
$name1 = 'one';
$age1  = 1;
$stmt->bind_param('si', $name1, $age1);

// Execute for the first insertion
$stmt->execute();

if ($stmt->errno) {
    echo "Execution failed: " . $stmt->error;
    exit;
}

// Bind parameters for the second insertion
$name2 = 'two';
$age2  = 1;
$stmt->bind_param('si', $name2, $age2);

// Execute for the second insertion
$stmt->execute();

if ($stmt->errno) {
    echo "Execution failed: " . $stmt->error;
    exit;
}

// Selection statement
$stmt = $mysqli->prepare("SELECT * FROM users WHERE age = ?");

if (!$stmt) {
    echo "Prepare failed: " . $mysqli->error;
    exit;
}

// Bind parameters for selection
$age  = 1;
$stmt->bind_param('i', $age);

// Execute selection
$stmt->execute();

if ($stmt->errno) {
    echo "Execution failed: " . $stmt->error;
    exit;
}

// Fetch results
$result = $stmt->get_result();

if (!$result) {
    echo "Fetch failed: " . $stmt->error;
    exit;
}

while ($row = $result->fetch_assoc()) {
    echo $row['name'] . " " . $row['age'] . "<br>";
}