fb

test.php

<?php
switch(date('i')){
		case 0:
		case 15:
		case 30:
		case 45:
			$x = 0;
		break;
		
		case 5:
		case 20:
		case 35:
		case 50:
			$x = 1;
		break;
		
		case 10:
		case 25:
		case 40:
		case 55:
			$x = 2;
		break;
}