代码片段仓库

try {
  $pdo = new PDO('mysql:host=localhost;dbname=test;charset=utf8mb', 'username', 'password');
  $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
  die('Connection failed: ' . $e->getMessage());
}

function uniqueArray(arr) {
  return [...new Set(arr)];
}

function uniqueArray($arr) {
  return array_unique($arr);
}

function fibonacci(n) {
  if (n <= 1) return n;
  return fibonacci(n - 1) + fibonacci(n - 2);
}

function fibonacci($n) {
  if ($n <= 1) return $n;
  return fibonacci($n - 1) + fibonacci($n - 2);
}

function getUrlParams() {
  const params = new URLSearchParams(window.location.search);
  return Object.fromEntries(params.entries());
}