codeigniter number format function

$this->load->helper('number');
$formatted_number = format_number(1234.5678, 2, '.', ',');
echo $formatted_number;

1. The helper function is used to load the Number helper in CodeIgniter.
2. The format_number function formats a number with consistent decimal points, thousands separator, and a specific number of decimal places.
3. In this example, 1234.5678 is being formatted with 2 decimal places, using a period as the decimal point and a comma as the thousands separator.
4. The formatted number is then echoed to the screen. ```