Are there best practices for efficiently incrementing a number in a file using PHP?

When incrementing a number in a file using PHP, it's important to ensure that the operation is done efficiently to avoid any potential race conditions or data corruption. One common approach is to read the current value from the file, increment it, and then write the updated value back to the file in an atomic operation.

// Read the current value from the file
$filename = 'number.txt';
$handle = fopen($filename, 'r+');
$number = intval(fread($handle, filesize($filename)));

// Increment the number
$number++;

// Write the updated value back to the file
ftruncate($handle, 0);
fwrite($handle, $number);

// Close the file handle
fclose($handle);

echo "Number successfully incremented to $number";