This is a confused version of door challenge :v

door.php

<?php 

	class Doors
	{
		protected $doors = [];
		protected $round = 0;

		const CLOSE = "close";
		const HALF_CLOSE = "half_close";
		const OPEN = "open";

		protected $attributes = [
			"open" => 0,
			"half_close" => 0,
			"close" => 0,
			"most_half_close_door" => 0,
			"round_most_half_close_door" => 0,
		];

		public function __construct($doors, $round = null)
		{
			$this->setupDoors($doors);
			$this->round = ($round) ? $round : $doors;
			$this->run();
		}

		public function __get($property)
		{
			if (!array_key_exists($property, $this->attributes))
				throw new Exception("Attribute not found");

			return $this->attributes[$property];
		}

		protected function setupDoors($doors)
		{
			for ($i=1; $i <= $doors; $i++) { 
				$this->doors[$i] = Doors::CLOSE;
			}
		}

		protected function setDoor($key, $defaultValue, $roundNow)
		{
			if ($key % $roundNow == 0) {
				return false;
			}

			if ($defaultValue === Doors::CLOSE){
				$value = Doors::OPEN;
				$this->attributes['open']++;
			} elseif ($defaultValue === Doors::OPEN){
			 	$value = Doors::HALF_CLOSE;
				$this->attributes['half_close']++;
			} elseif ($defaultValue === Doors::HALF_CLOSE){
				$value = $value = Doors::CLOSE;
				$this->attributes['close']++;
			}

			$this->doors[$key] = $value;
		}

		protected function resetAttributes()
		{
			$this->attributes['open'] = 0;
			$this->attributes['close'] = 0;
			$this->attributes['half_close'] = 0;
		}

		protected function indexAttributes($round)
		{
			if ($this->attributes['half_close'] > $this->attributes['most_half_close_door']) {
				$this->attributes['most_half_close_door'] = $this->attributes['half_close'];
				$this->attributes['round_most_half_close_door'] = $round;
			}
		}

		protected function run()
		{
			for ($round = 1; $round <= $this->round; $round++) { 
				$this->resetAttributes();
				foreach ($this->doors as $key => $value) {
					$this->setDoor($key, $value, $round);
				}
				$this->indexAttributes($round);
			}
		}
	}

	echo "Enter your doors : ";
	$handle = fopen("php://stdin", 'r');
	$doors = (int) trim(fgets($handle));
	fclose($handle);

	echo "Enter your round (let blank for same as doors): ";
	$handle = fopen("php://stdin", 'r');
	$round = (int) trim(fgets($handle));
	fclose($handle);

	$door = new Doors($doors, $round);
	print_r($door);

	echo "> Half close door in the end is " . $door->half_close . PHP_EOL . 
		 "> Most half close door is in round " . $door->round_most_half_close_door . PHP_EOL;
 ?>