How to Get Form GET and POST Data in CodeIgniter’s Controller

Following are 2 simple ways to get input data from a form in CodeIgniter.

<?php  echo form_open(''); ?>
<div class="form-group">
	<textarea class="form-control" name="text" placeholder="Your text..." rows="10"></textarea>
</div>
<div class="form-group">
	<input type="checkbox" name="trim"> Trim text?
</div>				
<div class="form-group text-center">
	<input type="submit" name="submit" class="btn btn-primary" value="Submit">
</div>
<?php echo form_close(); ?>

GET

$text = $this->input->get('name');
$isTrim = $this->input->get('trim');

$text = $_GET['name'];
$isTrim = $_GET['trim'];

POST

$text = $this->input->post('name');
$isTrim = $this->input->post('trim');

$text = $_POST['name'];
$isTrim = $_POST['trim'];