Are there best practices for organizing PHP code to improve server performance and page load times?

To improve server performance and page load times in PHP, it is recommended to organize your code efficiently by using proper coding practices such as separating logic from presentation, utilizing caching mechanisms, optimizing database queries, and minimizing the number of external requests. Example PHP code snippet for organizing code efficiently: 

// Separating logic from presentation
// Controller file
class UserController {
    public function getUser($id) {
        $user = User::find($id);
        View::render('user_profile', ['user' => $user]);
    }
}

// View file (user_profile.php)
<h1><?php echo $user->name; ?></h1>
<p><?php echo $user->email; ?></p>

// Utilizing caching mechanisms
// Check if data is cached
if (!$data = Cache::get('data')) {
    // If not cached, fetch data from database
    $data = DB::query('SELECT * FROM data');
    // Cache data for future use
    Cache::set('data', $data, 3600); // Cache for 1 hour
}

// Optimizing database queries
// Bad practice
foreach ($users as $user) {
    $posts = DB::query('SELECT * FROM posts WHERE user_id = ' . $user->id);
}

// Good practice
// Fetch all posts for all users in a single query
$posts = DB::query('SELECT * FROM posts WHERE user_id IN (' . implode(',', array_column($users, 'id')) . ')');

// Minimizing external requests
// Bad practice
$data = file_get_contents('https://api.example.com/data');

// Good practice
// Cache external data and fetch from cache if available
if (!$data = Cache::get('external_data')) {
    $data = file_get_contents('https://api.example.com/data');
    Cache::set('external_data', $data, 3600); // Cache for 1 hour
}

Keywords

caching opcode lazy loading database optimization code minification

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