What are the benefits of using elseif or else if statements in PHP instead of nested if-else blocks for better code readability and maintainability?

Using elseif or else if statements in PHP instead of nested if-else blocks can improve code readability and maintainability by reducing the indentation levels and making the code easier to follow. This approach makes it clearer which conditions are related and helps avoid confusion when multiple conditions need to be checked. It also promotes better organization of code and makes it easier to add or modify conditions in the future.

// Using elseif or else if statements for better code readability and maintainability

$score = 85;

if ($score >= 90) {
    echo "A";
} elseif ($score >= 80) {
    echo "B";
} elseif ($score >= 70) {
    echo "C";
} elseif ($score >= 60) {
    echo "D";
} else {
    echo "F";
}