How can PHP developers optimize their code to avoid duplicating file writing operations?

PHP developers can optimize their code by using a single file writing operation instead of duplicating it throughout the code. This can be achieved by storing the data that needs to be written to the file in a variable and then writing it to the file in a single operation. By doing so, developers can reduce the number of file writing operations, improving the code's efficiency and readability.

// Store the data to be written to the file in a variable
$data = "This is the data to be written to the file.";

// Open the file in write mode
$file = fopen("example.txt", "w");

// Write the data to the file
fwrite($file, $data);

// Close the file
fclose($file);