Ternary Operator in PHP

Generally we can use ternary operator like this:

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

But I want just one. For example:

if($variable)
{
    echo "YES";
}

I want just the if condition in ternary.

Like this: $variable ? echo "YES";

But it's giving me error:

expected colon

Level 104

echo $variable ? 'YES' : '';

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Level 5

If this value has then I just want to print yes. I don't want to go else condition. Is it possible?

Level 104

The ternary operator expects three operands.

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Level 75

echo $variable ? 'YES' : null;

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