How can the code be improved to handle errors and edge cases more effectively?

The code can be improved by implementing error handling techniques such as try-catch blocks to catch and handle exceptions that may arise during execution. Additionally, incorporating conditional statements to handle edge cases, such as empty inputs or invalid data, can help improve the code's robustness and reliability. 

try {
    // Code that may throw exceptions
    $result = $num1 / $num2;
    
    if (!is_numeric($result) || $result === INF) {
        throw new Exception("Division result is not a valid number");
    }
    
    echo "Result: " . $result;
} catch (Exception $e) {
    echo "Error: " . $e->getMessage();
}

Keywords

try-catch exception handling error handling edge cases error types

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