What best practices should be followed when working with PHP classes and functions?

When working with PHP classes and functions, it is important to follow best practices to ensure clean and maintainable code. Some key best practices include using proper naming conventions, organizing code into logical structures, and documenting code effectively. 

<?php

// Example of following best practices when working with PHP classes and functions

class Calculator {
    // Use meaningful names for properties and methods
    public function add($num1, $num2) {
        return $num1 + $num2;
    }
    
    // Organize code into logical structures
    public function subtract($num1, $num2) {
        return $num1 - $num2;
    }
    
    // Document code effectively
    /**
     * Multiply two numbers
     * 
     * @param int $num1
     * @param int $num2
     * @return int
     */
    public function multiply($num1, $num2) {
        return $num1 * $num2;
    }
}

$calculator = new Calculator();
echo $calculator->add(5, 3); // Output: 8
echo $calculator->subtract(5, 3); // Output: 2
echo $calculator->multiply(5, 3); // Output: 15

?>

Keywords

OOP PHP classes PHP functions error handling namespaces

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