WordPress at a glance
filter is not described

woocommerce_create_order filter-hook . WC 1.0

Give plugins the opportunity to create an order themselves.

Usage

add_filter( 'woocommerce_create_order', 'filter_function_name_6830', 10, 2 );
function filter_function_name_6830( $null, $that ){
	// filter...

	return $null;
}
$null
-
$that
-

Where the hook is called

WC_Checkout::create_order()
woocommerce_create_order
woocommerce/includes/class-wc-checkout.php 321
$order_id = apply_filters( 'woocommerce_create_order', null, $this );

Where the hook is used (in WC core)

Usage not found!