$map_ar = [
			'x' => [
				$user['x'] + 1,
				$user['x'] - 1,
				$user['x']
			],
			'y' => [
				$user['y'] + 1,
				$user['y'] - 1,
				$user['x']
			]
		];
		if(in_array($map['x'], $map_ar['x']) and in_array($map['y'], $map_ar['y'])) echo 'можно идти';