In what scenarios would it be more beneficial to use a ternary operator over a custom IIF function in PHP code?

Using a ternary operator is more beneficial than using a custom IIF function in PHP code when you need a simple and concise way to make a conditional assignment or operation. Ternary operators are built-in to PHP and are more widely recognized and understood by developers, making the code easier to read and maintain. In contrast, creating a custom IIF function can add unnecessary complexity and reduce code readability. 

// Using a ternary operator to assign a value based on a condition
$age = 25;
$isAdult = ($age >= 18) ? true : false;

echo $isAdult ? 'You are an adult' : 'You are not an adult';

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ternary operator custom function PHP code scenarios beneficial

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