$user->get() method

// retrieve the title using get…
$title = $page->get('title');

// …or retrieve using direct access
$title = $page->title;

// retrieve headline if populated, otherwise title
$headline = $page->get('headline|title');

// retrieve title, created date, and summary, formatted in a string
$str = $page->get('{createdStr}: {title} - {summary}');

// example of getting a sub-property: title of parent page
$title = $page->get('parent.title');

// all following features are supported in 3.0.205+

// get value guaranteed to be iterable (array, WireArray, or derived)
$images = $page->get('image[]');
$categories = $page->get('category[]');

// get item by position/index, returns 1 item whether field is single or multi value
$file = $page->get('files[0]'); // get first file  (or null if files is empty)
$file = $page->get('files.first); // same as above
$file = $page->get('files.last'); // get last file
$file = $page->get('files[1]'); // get 2nd file (or null if there isn't one)

// get titles from Page reference field categories in an array
$titles = $page->get('categories.title');  // array of titles
$title = $page->get('categories[0].title'); // string of just first title

// you can also use a selector in [brackets] for a filtered value
// example: get categories with titles matching text 'design'
$categories = $page->get('categories[title%=design]'); // PageArray
$category = $page->get('categories[title%=design][0]'); // Page or null
$titles = $page->get('categories[title%=design].title'); // array of strings
$title = $page->get('categories[title%=design].title[0]'); // string or null