Are there best practices for organizing and structuring PHP code to ensure variables are accessible where needed?

When organizing and structuring PHP code, it is important to follow best practices to ensure variables are accessible where needed. One common approach is to use functions or classes to encapsulate code and manage variable scope. By defining variables within the appropriate function or class, you can ensure they are accessible only where needed. 

<?php

// Example of organizing PHP code with functions to ensure variable accessibility

function calculateTotal($price, $quantity) {
    $total = $price * $quantity;
    return $total;
}

$price = 10;
$quantity = 5;

$total = calculateTotal($price, $quantity);
echo "Total: $total";

?>

Keywords

PHP code organization variable accessibility scope namespaces

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