PHP : Ternary Operators (?:) #php

Ternary-Operators

## most basic usage
$var > 2 ? true : false 

## another basic usage
$message = 'Hello '.($user->is_logged_in() ? $user->get('first_name') : 'Guest'); 

## shorthand usage
$message = 'Hello '.($user->get('first_name') ?: 'Guest'); 

## echo, inline 
echo 'Based on your score, you are a ',($score > 10 ? 'genius' : 'nobody');  

## result will be the value of $initial, unless $initial evaluates to false, in which case the string 'default' 
$result = $initial ?: 'default'; 

## Same as writing this
$result = $condition ? $condition : 'default';