Gravity Forms | Update the USD currency input to remove decimals

gravity-forms-remove-decimals-from-currency.php

<?php

// remove decimals (change) from Gravity Form's USD currency input
// reference: https://organicweb.com.au/wordpress/gravity-forms-price-rounding/
// useful info: https://docs.gravityforms.com/gform_currencies/
add_filter( 'gform_currencies', 'update_currency' );
function update_currency( $currencies ) {
	$currencies['USD'] = array(
		'name' => __( 'U.S. Dollar', 'gravityforms' ),
		'symbol_left' => '$',
		'symbol_right' => '',
		'symbol_padding' => ' ',
		'thousand_separator' => ',',
		'decimal_separator' => '.',
		'decimals' => 0
	);
	return $currencies;
}