What are some best practices for optimizing PHP code for better performance on various devices?

To optimize PHP code for better performance on various devices, it is important to minimize the number of database queries, use efficient algorithms, cache data where possible, and optimize code structure for readability and maintainability. 

// Example of optimizing PHP code by minimizing database queries
// Before optimization
$result = mysqli_query($conn, "SELECT * FROM users WHERE id = 1");
$user = mysqli_fetch_assoc($result);

// After optimization
$user = ['id' => 1, 'name' => 'John Doe', 'email' => 'john@example.com'];

Keywords

PHP optimization performance devices best practices

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