<?php
$day6 = new Day6();
$fp = fopen('../input/input6.txt', 'r');
while ($line = trim(fgets($fp))) {
$day6->parse($line);
}
echo $day6->count() . PHP_EOL;
class Day6
{
private $_lights = array();
/**
* Set up the array
*/
public function __construct()
{
for ($i = 0; $i < 1000; $i++) {
for ($j = 0; $j < 1000; $j++) {
$this->_lights[$i][$j] = 0;
}
}
self::_debug('initialized');
}
/**
* Switch a light on
*
* If it is already on, nothing will change.
*
* @param int $x The x position of the light
* @param int $y The y position of the light
*/
