Briefing Zend Knowledge

Which operator needs to be used instead of ??? so that $result equals $value1 if $value1 evaluates t

Consider the following code: $result = $value1 ??? $value2; Which operator needs to be
used instead of ??? so that $result equals $value1 if $value1 evaluates to true, and equals
$value2 otherwise? Just state the operator as it would be required in the code.

A.
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