function generate_switchid($switch_name, $timestamp)
{
$hashids = new Hashids\Hashids('embiggen');
$hash = $hashids->encrypt(strlen($switch_name), $timestamp, 6);
$numbers = $hashids->decrypt($hash);
//!debug
//var_dump($hash, $numbers);
return $hash;
}
<?php
/* including hashids code */
require_once __DIR__ . '/../lib/Hashids/Hashids.php';
/* creating class object */
$hashids = new Hashids\Hashids('this is my salt');
/* encrypting several numbers into one hash */
$hash = $hashids->encrypt(1337, 5, 77, 12345678);
/* decrypting that hash */
$numbers = $hashids->decrypt($hash);
/* $numbers is always an array */
var_dump($hash, $numbers);
exit;
<?php
/* including hashids code */
require_once __DIR__ . '/../lib/Hashids/Hashids.php';
/* creating class object with hash length of 8 */
$hashids = new Hashids\Hashids('this is my salt', 8);
/* encrypting several numbers into one hash (length of hash is going to be at least 8) */
$hash = $hashids->encrypt(1337, 5);
/* decrypting the same hash */
$numbers = $hashids->decrypt($hash);
/* $numbers is always an array */
var_dump($hash, $numbers);
exit;
/**
* Generates a new unique hash
*
* @return string - the new hash
**/
private function _generate_new_hash()
{
// Set up a new instance of hashids
$hashids = new Hashids\Hashids(HASH_SALT, 1, $this->alphabet);
// Set the default timezone
date_default_timezone_set(TIMEZONE);
// Get the daily count
$dailycount = $this->_get_daily_count();
// Let's check if the user passed in an ID to hash
$passed_id = $this->_get_param('id');
if ($passed_id) {
$id = intval($passed_id . $dailycount);
} else {
// No id passed in?
// Get the current timestamp as a number that represents YYMMDD
// We'll append the daily count to it and use it as an ID
$datestr = date('ymd');
$id = intval($datestr . $dailycount);
}
// Generate the hash
$hash = $hashids->encrypt($id);
// Check to see if the hash is already in use
if ($this->_does_hash_exist($hash)) {
$this->_increment_daily_count();
$this->_generate_new_hash();
}
return $hash;
}
<?php
/* including hashids code */
require_once __DIR__ . '/../lib/Hashids/Hashids.php';
/* creating class object with custom alphabet */
$hashids = new Hashids\Hashids('this is my salt', 0, 'abcdefgh123456789');
/* encrypting several numbers into one hash */
$hash = $hashids->encrypt(1, 2, 3, 4);
/* decrypting the same hash */
$numbers = $hashids->decrypt($hash);
/* $numbers is always an array */
var_dump($hash, $numbers);
exit;
<?php
/* including hashids code */
require_once __DIR__ . '/../lib/Hashids/Hashids.php';
/* creating class object */
$hashids = new Hashids\Hashids('this is my salt');
/* encrypting several numbers into one hash */
$hash = $hashids->encrypt(45, 434, 1313, 99);
/* $hash is always a string */
var_dump($hash);
exit;