How can the use of else if or elseif statements affect the structure and readability of PHP code?

Using else if or elseif statements can help improve the structure and readability of PHP code by allowing for multiple conditional branches to be evaluated in a more organized and clear manner. This can make the code easier to understand and maintain, as each condition and its corresponding block of code are clearly separated. Additionally, using else if or elseif statements can help reduce nesting levels and prevent code duplication. 

$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";
}

Keywords

else if elseif PHP code structure readability conditional statements

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