What are some best practices for handling Google's MicroAmounts in PHP?

When working with Google's MicroAmounts in PHP, it is important to handle them carefully to avoid precision issues due to the small values involved. One best practice is to convert the MicroAmount to a decimal value by dividing it by 1000000. This will allow for easier manipulation and calculations without losing precision.

// Example of converting MicroAmount to decimal value
$microAmount = 500000; // Example MicroAmount value
$decimalValue = $microAmount / 1000000;
echo $decimalValue; // Output: 0.5