## wrap 方法会将给定值封装到集合中 静态 wrap 方法会将给定值封装到集合中： ``` $collection = Collection::wrap('John Doe'); $collection->all(); // ['John Doe'] $collection = Collection::wrap(['John Doe']); $collection->all(); // ['John Doe'] $collection = Collection::wrap(collect('John Doe')); $collection->all(); // ['John Doe'] ```