WordPress at Your Fingertips
filter is not described

woocommerce_process_registration_errors filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_process_registration_errors', 'filter_function_name_6517', 10, 4 );
function filter_function_name_6517( $validation_error, $username, $password, $email ){
	// filter...

	return $validation_error;
}
$validation_error
-
$username
-
$password
-
$email
-

Where the hook is called

WC_Form_Handler::process_registration()
woocommerce_process_registration_errors
woocommerce/includes/class-wc-form-handler.php 1080
$validation_error  = apply_filters( 'woocommerce_process_registration_errors', $validation_error, $username, $password, $email );

Where in WP core the hook is used WooCommerce

Usage not found.