<?

### SPOILER.
### A possible solution for the edit function.
### SPOILER.

public function editBook($id) 
{
		$newbook = 
			array(
			"id"	=> "{$id}",
			"title" => "{$this->titlebook}", 
			"isbn" => "{$this->isbnbook}",
			"weight" => "{$this->weightbook}",
			"description" => "{$this->introbook}"
		);
		
		$list = $this->decode();
		
		foreach ($list as $key => $value) {
			if ($value['id'] == $id) {
			$list[$key]['title']	= "{$this->titlebook}";
			$list[$key]['isbn'] 	= "{$this->isbnbook}";
			$list[$key]['weight'] 	= "{$this->weightbook}";
			$list[$key]['description'] = "{$this->introbook}";
			}
		}
		
		$list[$i] = $newbook;
		# var_dump($list);
		$this->storeBook($list);
}
  
?>