How do developers ensure that their initial project plan remains relevant throughout the development process?

To ensure that their initial project plan remains relevant throughout the development process, developers can regularly review and update the plan based on any changes or new requirements that arise. They should also communicate effectively with stakeholders to ensure alignment on project goals and priorities. Additionally, using project management tools and techniques such as Agile methodologies can help developers adapt to changes and stay on track.

// Example code implementing Agile methodologies in project management
// This code snippet demonstrates a basic Agile task board using PHP

class Task {
    public $description;
    public $status;

    public function __construct($description) {
        $this->description = $description;
        $this->status = 'To Do';
    }

    public function markAsDone() {
        $this->status = 'Done';
    }
}

$tasks = [
    new Task('Implement user authentication'),
    new Task('Refactor database schema'),
    new Task('Write unit tests')
];

// Display tasks on the task board
echo "Task Board\n";
foreach ($tasks as $task) {
    echo "- {$task->description} ({$task->status})\n";
}

// Mark a task as done
$tasks[0]->markAsDone();

// Display updated task board
echo "\nTask Board (Updated)\n";
foreach ($tasks as $task) {
    echo "- {$task->description} ({$task->status})\n";
}