How can proper method naming conventions improve code readability and functionality in PHP classes?

Proper method naming conventions in PHP classes can improve code readability and functionality by making it easier for developers to understand the purpose of each method. By following conventions such as using camelCase for method names and starting method names with a verb that describes the action performed, developers can quickly identify what each method does. This can lead to more maintainable and organized code, as well as easier debugging and collaboration among team members. 

class User {
    public function getUserById($id) {
        // method implementation
    }
    
    public function updateUserById($id, $data) {
        // method implementation
    }
    
    public function deleteUserById($id) {
        // method implementation
    }
}

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