<?php
 
define('WIDTH', 10);
define('HEIGHT', 10);
 
function gen() {
	$dungeon = str_repeat('#', WIDTH * HEIGHT);
 
	// top left room
	$width1 = rand(1, WIDTH * 3 / 4);
	$height1 = rand(1, HEIGHT * 3 / 4);
	for ($y = 1; $y < $height1; ++$y)
		for ($x = 1; $x < $width1; ++$x)
			$dungeon[$y * WIDTH + $x] = ' ';
 
	// top right room
	$width2 = rand(1, WIDTH * 3 / 4);
	$height2 = rand(1, HEIGHT * 3 / 4);
	for ($y = 1; $y < $height2; ++$y)
		for ($x = 1; $x < $width2; ++$x)
			$dungeon[$y * WIDTH + WIDTH - 1 - $x] = ' ';
 
	// bottom left room
	$width = rand(WIDTH - $width2, WIDTH * 3 / 4);
	$height = rand(HEIGHT - $height2, HEIGHT * 3 / 4);
	for ($y = 1; $y < $height; ++$y)
		for ($x = 1; $x < $width; ++$x)
			$dungeon[(HEIGHT - 1 - $y) * WIDTH + $x] = ' ';
 
	// bottom right room
	$width = rand(WIDTH - $width1, WIDTH * 3 / 4);
	$height = rand(HEIGHT - $height1, HEIGHT * 3 / 4);
	for ($y = 1; $y < $height; ++$y)
		for ($x = 1; $x < $width; ++$x)
			$dungeon[(HEIGHT - 1 - $y) * WIDTH + WIDTH - 1 - $x] = ' ';
 
	for ($i = 0; $i < HEIGHT; ++$i) {
		echo substr($dungeon, $i * WIDTH, WIDTH) . "\n";
	}
}
 
header('Content-type: text/plain');
for ($i = 0; $i < 10; ++$i) {
	gen();
	echo "\n";
}

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