What are best practices for handling conditional statements in PHP to avoid unexpected errors?

When handling conditional statements in PHP, it is important to always include a default case to handle unexpected scenarios. This can prevent errors such as undefined variables or unexpected behavior in your code. One common practice is to use an "else" statement to catch any conditions that are not explicitly accounted for. 

// Example of handling conditional statements with a default case
$age = 25;

if ($age >= 18) {
    echo "You are an adult.";
} else {
    echo "You are not yet an adult.";
}

Keywords

if statement switch statement error handling debugging strict comparison

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