<?php

	$k = M_PI / 180;
	$h = $x = $y = 0;
	$d = "";
	
	for ($i=5; $i--;){
		$h += $a = rand(-179,181);
		$x += ($l = rand(0, 501)) * cos($b = $k * $a);
		$y += $l * sin($b);
		$d .= ($d ? "," : "") . "$a:$l";
	}
	
	echo "Data: $d\nHeading: $h\nDistance: " . sqrt($x*$x + $y*$y) ."\nOrientation: " . atan2($y, $x)/$k . "\n";
	
?>