What are the best practices for handling conditional statements in PHP to prevent errors like this?

To prevent errors with conditional statements in PHP, it is important to always ensure that the conditions being checked are properly formatted and evaluated. This includes checking for proper syntax, data types, and logical operators. Additionally, using proper indentation and commenting can help make the code more readable and easier to debug.

// Example of properly handling conditional statements in PHP
$age = 25;

if ($age >= 18) {
    echo "You are an adult.";
} else {
    echo "You are a minor.";
}