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filter is not described

woocommerce_paypal_args filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_paypal_args', 'filter_function_name_1534', 10, 2 );
function filter_function_name_1534( $array_merge, $order ){
	// filter...

	return $array_merge;
}
$array_merge
-
$order
-

Where the hook is called

WC_Gateway_Paypal_Request::fix_request_length()
woocommerce_paypal_args
WC_Gateway_Paypal_Request::get_paypal_args()
woocommerce_paypal_args
woocommerce/includes/gateways/paypal/includes/class-wc-gateway-paypal-request.php 175-182
return apply_filters(
	'woocommerce_paypal_args',
	array_merge(
		$this->get_transaction_args( $order ),
		$this->get_line_item_args( $order, true )
	),
	$order
);
woocommerce/includes/gateways/paypal/includes/class-wc-gateway-paypal-request.php 201-208
$paypal_args = apply_filters(
	'woocommerce_paypal_args',
	array_merge(
		$this->get_transaction_args( $order ),
		$this->get_line_item_args( $order, $force_one_line_item )
	),
	$order
);

Where in WP core the hook is used WooCommerce

Usage not found.