How can PHP code be optimized for better readability and efficiency?

To optimize PHP code for better readability and efficiency, it is important to follow best practices such as using meaningful variable names, proper indentation, and comments for clarity. Additionally, you can improve efficiency by minimizing the use of nested loops, utilizing built-in functions, and avoiding redundant code. 

// Example of optimized PHP code for better readability and efficiency

// Use meaningful variable names and comments
$userName = "John Doe"; // Variable to store user's name

// Proper indentation and spacing for readability
if ($userName == "John Doe") {
    echo "Hello, $userName!";
}

// Utilize built-in functions for efficiency
$numbers = [1, 2, 3, 4, 5];
$sum = array_sum($numbers);

echo "The sum of the numbers is: $sum";

Keywords

Code optimization readability efficiency PHP functions libraries

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