Revonzy Mini Shell

<?php
	require_once('class/functions.php');
	$db = new functions();
	
	if(isset($_POST['standard_value']))
	{
		$selected_standard = $_POST['standard_value'];
		
		$data = array();
		$data = $db->get_fees_by_standard_wise($selected_standard);
		
		echo json_encode($data);
	
	}
?>