public static function addToBookInfoAuthors($BookName, $AuthorName) { \Log::info("in addToBookInfoAuthors method"); // \Log::info ($AuthorName); $BookId = Book::getBookId($BookName); foreach ($AuthorName as $author) { if (strlen($author) > 0) { // \Log::info ($author); $AuthorId = Book::getAuthorId($author); \Log::info("AuthorId"); \Log::info($AuthorId); \Log::info($BookId); \Log::info("BookId"); DB::insert('INSERT INTO bookinfoauthors (BookId, AuthorId) ' . ' VALUES (?, ?)', [$BookId, $AuthorId]); } } }