how to use ternary operator for just one condition in php code example

Example 1: php ternary operator

(Condition) ? (Statement1) : (Statement2);

Example 2: turnery expression php

(condition) ? /* value to return if condition is true */ 
            : /* value to return if condition is false */ ;
echo empty($address['street2']) ? "Street2 is empty!" : $address['street2'];