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

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

The

(condition) ? /* value to return if condition is true */ 
            : /* value to return if condition is false */ ;

syntax is not a “shorthand if” operator (the ? is called the conditional operator) because you cannot execute code in the same manner as if you did:

if (condition) {
    /* condition is true, do something like echo */
}
else {
    /* condition is false, do something else */
}

In your example, you are executing the echo statement when the $address is not empty. You can’t do this the same way with the conditional operator. What you can do however, is echo the result of the conditional operator:

echo empty($address) ? "is empty!" : $address;