How can PHP developers efficiently handle file writing operations?

PHP developers can efficiently handle file writing operations by using the `file_put_contents()` function, which simplifies the process of writing data to a file. This function takes the file path and the data to be written as parameters, making it a concise and effective way to write to files in PHP.

$file = 'example.txt';
$data = 'Hello, world!';

file_put_contents($file, $data);