generateRandomCode.php

//Inspired by https://github.com/klughammer/node-randomstring

function generateRandomCode($length){
	
	$str = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghiklmnopqrstuvwxyz';
	$randomChar = $str[rand(0, strlen($str)-1)];
	$length= ($length == null)? 32 : $length;
	
	$randomArray = array();
	
	for ($i = 0; $i < $length; $i++) {
		array_push($randdomArray,$str[rand(0, strlen($str)-1)]);
	}
	
	$randomString = implode ( "" , $randdomArray );
	
	return $randomString;

}