What are getters and setters and why are they important?
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Answer / Brijesh Kumar Gautam
Getters (accessor methods) and setters (mutator methods) are used in object-oriented programming to control access to an object's private properties. They provide a way to encapsulate data and ensure that the data is valid before it is modified or accessed. This helps maintain the integrity of the data and makes the code more robust. Here's an example of how to create getters and setters in PHP:n```phpnclass Employee {n private $name;n private $salary;n public function __construct($name, $salary) {n $this->name = $name;n $this->salary = $salary;n }n public function getName() {n return $this->name;n }n public function setName($name) {n if (is_string($name)) {n $this->name = $name;n } else {n throw new Exception('Invalid name');n }n }n public function getSalary() {n return $this->salary;n }n public function setSalary($salary) {n if ($salary > 0) {n $this->salary = $salary;n } else {n throw new Exception('Invalid salary');n }n }n}n$employee = new Employee('John Doe', 50000);necho $employee->getName(); // Output: John Doen```
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