guard let currentUser = currentUser,<br /><br /><br /> let photos = currentUser.photos as? [ModelAttachment] else<br /><br /><br /> {<br /><br /><br /> // break or return<br /><br /><br /> }<br /><br /><br /> // now ‘photos’ is available outside the guard<br /><br /><br /> for object in photos {<br /><br /><br /> let url = object.url<br /><br /><br /> }

// access items of an array<br /><br /><br /> let languages = [“Swift”, “Java”, “Go”, “JavaScript”]</p><br /><br /> <p>for language in languages {<br /><br /><br /> print(language)<br /><br /><br /> }

let names = [“a”, “b”, “c”]</p><br /><br /> <p>for name in names {<br /><br /><br /> print(name)<br /><br /><br /> }

for object in array {<br /><br /><br /> // object is replaced with the array item for each loop<br /><br /><br /> }

// an array of fruits<br /><br /><br /> let fruits = [“Apple”, “Peach”, “Mango”]</p><br /><br /> <p>// for loop to iterate over array<br /><br /><br /> for fruit in fruits {<br /><br /><br /> print(fruit)<br /><br /><br /> }