/**
* Show the special page
*
- * @param $isbn string ISBN passed as a subpage parameter
+ * @param string $isbn ISBN passed as a subpage parameter
*/
public function execute( $isbn ) {
$this->setHeaders();
/**
* Returns whether a given ISBN (10 or 13) is valid. True indicates validity.
- * @param $isbn string ISBN passed for check
+ * @param string $isbn ISBN passed for check
* @return bool
*/
public static function isValidISBN( $isbn ) {
/**
* Trim ISBN and remove characters which aren't required
*
- * @param $isbn string Unclean ISBN
+ * @param string $isbn Unclean ISBN
* @return string
*/
private static function cleanIsbn( $isbn ) {
/**
* Format a book source list item
*
- * @param $label string Book source label
- * @param $url string Book source URL
+ * @param string $label Book source label
+ * @param string $url Book source URL
* @return string
*/
private function makeListItem( $label, $url ) {