Three Decimal Currencies
Read the WalkthroughCode
Filename: gw-three-decimal-currencies.php
<?php
/**
* Gravity Wiz // Gravity Forms // Three Decimal Currencies
* https://gravitywiz.com/how-to-add-three-decimals-with-gravity-form-currencies/
*/
add_filter( 'gform_currencies', function( $currencies ) {
$currencies['EUR']['decimals'] = 3;
return $currencies;
} );