function get_token($length)
{
$token = '';
$codeAlphabet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
$codeAlphabet .= 'abcdefghijklmnopqrstuvwxyz';
$codeAlphabet .= '0123456789';
for ($i = 0; $i < $length; $i++) {
$token .= $codeAlphabet[crypto_rand_secure(0, strlen($codeAlphabet))];
}
return $token;
}
function getToken($length)
{
$token = "";
$codeAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$codeAlphabet .= "abcdefghijklmnopqrstuvwxyz";
$codeAlphabet .= "0123456789";
for ($i = 0; $i < $length; $i++) {
$token .= $codeAlphabet[crypto_rand_secure(0, strlen($codeAlphabet))];
}
return $token;
}
function generateID($length)
{
$id = "";
$codeAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$codeAlphabet .= "abcdefghijklmnopqrstuvwxyz";
$codeAlphabet .= "0123456789";
$max = strlen($codeAlphabet) - 1;
for ($i = 0; $i < $length; $i++) {
$id .= $codeAlphabet[crypto_rand_secure(0, $max)];
}
return $id;
}
/**
* Credit: Scott - http://stackoverflow.com/questions/1846202/php-how-to-generate-a-random-unique-alphanumeric-string/13733588#13733588
*/
function getToken($length)
{
$securityToken = "";
$codeSource = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$codeSource .= "abcdefghijklmnopqrstuvwxyz";
$codeSource .= "012345678901234567890123456789";
// assign token farm length to $max
$max = strlen($codeSource) - 1;
for ($i = 0; $i < $length; $i++) {
$securityToken .= $codeSource[crypto_rand_secure(0, $max)];
}
return $securityToken;
}
/**
* selects questions randomly in the question list
*
* @author - Olivier Brouckaert
* @return - array - if the exercise is not set to take questions randomly, returns the question list
* without randomizing, otherwise, returns the list with questions selected randomly
*/
function selectRandomList()
{
// if the exercise is not a random exercise, or if there are not at least 2 questions
if (!$this->random || $this->selectNbrQuestions() < 2 || $this->random <= 0) {
return $this->questionList;
}
// takes all questions
if ($this->random > $this->selectNbrQuestions()) {
$draws = $this->selectNbrQuestions();
} else {
$draws = $this->random;
}
$randQuestionList = array();
$alreadyChosed = array();
// loop for the number of draws
for ($i = 0; $i < $draws; $i++) {
// selects a question randomly
do {
$rand = crypto_rand_secure(0, $this->selectNbrQuestions() - 1);
} while (in_array($rand, $alreadyChosed));
$alreadyChosed[] = $rand;
$j = 0;
foreach ($this->questionList as $key => $val) {
// if we have found the question chosed above
if ($j == $rand) {
$randQuestionList[$key] = $val;
break;
}
$j++;
}
}
return $randQuestionList;
}
/**
* Function for generating fixed-length strings containing random characters.
*
* @param int $length
* @return string
*/
function randomkeys($length)
{
$key = "";
$codeAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$codeAlphabet .= "abcdefghijklmnopqrstuvwxyz";
$codeAlphabet .= "0123456789";
for ($i = 0; $i < $length; $i++) {
$key .= $codeAlphabet[crypto_rand_secure(0, strlen($codeAlphabet) - 1)];
}
return $key;
}
function getToken($length)
{
//echo "first step";
$token = "";
$codeAlpha = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
$codeAlpha .= "abcdefghijklmnopqrstuvwxyz";
$codeAlpha .= "0123456789";
// echo "before max";
$max = strlen($codeAlpha) - 1;
for ($i = 0; $i < $length; $i++) {
$token .= $codeAlpha[crypto_rand_secure(0, $max)];
}
return $token;
}
function create_pass()
{
$parts = array('a', 'ba', 'fa', 'ga', 'ka', 'la', 'ma', 'xa', 'e', 'be', 'fe', 'ge', 'ke', 'le', 'me', 'xe', 'i', 'bi', 'fi', 'gi', 'ki', 'li', 'mi', 'xi', 'o', 'bo', 'fo', 'go', 'ko', 'lo', 'mo', 'xo', 'u', 'bu', 'fu', 'gu', 'ku', 'lu', 'mu', 'xu', 'ru', 'bur', 'fur', 'gur', 'kur', 'lur', 'mur', 'sy', 'zy', 'gy', 'ky', 'tri', 'kro', 'pra');
$max = count($parts) - 1;
$num = crypto_rand_secure(10, 499);
return $parts[crypto_rand_secure(0, $max)] . $parts[crypto_rand_secure(0, $max)] . $num;
}
