/*
	- Add to Floodcheck
	- Used when entering user input into the database to tell the Floodcheck how many
	  seconds passed since the user posted something to prevent spamming and flooding.
	
	$ip     - The IP to add to the floodcheck, default is the user's IP
	*/
	
	public function addFloodCheck($ip = null) {
		$file = fopen("Floodcheck.txt", "r");
		
		if ($ip == null)
			$ip = $_SERVER['REMOTE_ADDR'];
		
		$floodFile = '';
		$found = false;
		
		// sort each line addresses
		while (($line = fgets($file)) !== false) {
			$line = trim($line);
			$flood = explode(",", $line);
			
			// check if ip matches ours
			if ($flood[0] == $ip) {
				$found = true;
				$floodFile .= $ip . ',' . time() . '' . PHP_EOL;
			} else
				$floodFile .= $flood[0] . ',' . $flood[1] . '' . PHP_EOL;
		}
		
		if (!$found)
			$floodFile .= $ip . ',' . time() . '';
		
		fclose($file);
		
		// update flood check file
		$file = fopen("Floodcheck.txt", "w+");
		fwrite($file, $floodFile);
		fclose($file);
	}