How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?

Question

Based on the examples from this page, I have the working and non-working code samples below.

Working code using if statement:

if (!empty         


        

Answer 1

If first variable($a) is null, then assign value of second variable($b) to first variable($a)

 $a = 5;
 $b = 10;   

 $a != ''?$a: $a = $b;

 echo $a;