<?php

// Simple example of plain text output.

// Get the limit (number of rows) from the query string, default 10.
$lim = $_SERVER['QUERY_STRING'];
if(!$lim) $lim = 10;

// Inform the system we're generating plain text.
header ("Content-type: text/plain");

// Some silly title info.
echo "      The Wandering Star\n          [$lim lines]\n";
echo "   (Reload for a new path.)\n\n";

// Create a wandering *.
$row = 0;
$col = 0;
echo '*';
while(1) {
	// Choose a new row and column.
	$oldrow = $row;
	$oldcol = $col;
	$rand = rand(1,3);
	$row += $rand % 2;
	if($rand > 1) $col++;

	// We've generated enough rows.
	if($row >= $lim) break;

	// Move to the right spot and print a *.
	if($row > $oldrow) {
		echo "\n";
		for($i = 0; $i < $col; ++$i) echo ' ';
	}
	echo '*';
}
?>