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How can PHP developers optimize their code by simplifying conditional logic and reducing unnecessary comparisons in decision-making processes?

To optimize code by simplifying conditional logic and reducing unnecessary comparisons, PHP developers can use ternary operators instead of if-else statements for simple conditions. This can make the code more concise and easier to read. Additionally, developers can avoid nested if-else statements by breaking down complex conditions into smaller, more manageable parts. This can help improve code performance and maintainability.

php
// Simplifying conditional logic using ternary operator
$age = 25;
$legalAge = ($age >= 18) ? "You are of legal age" : "You are not of legal age";

echo $legalAge;