static function xautoload_Util::randomString in X Autoload 7.3

Generate a random string made of uppercase and lowercase characters and numbers.

Parameters

int $length: Length of the random string to generate

Return value

string Random string of the specified length

1 call to xautoload_Util::randomString()

xautoload_ApcKeyManager_Enabled::renewApcPrefix in lib/ApcKeyManager/Enabled.php

Get a fresh APC prefix.

File

lib/Util.php, line 17

Class

xautoload_Util

A number of static methods that don't interact with any global state.

Code

static function randomString($length = 30) {

  // $chars - allowed characters
  $chars = 'abcdefghijklmnopqrstuvwxyz' . 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' . '1234567890';
  srand((double) microtime() * 1000000);
  $pass = '';
  for ($i = 0; $i < $length; ++$i) {
    $num = rand() % strlen($chars);
    $tmp = substr($chars, $num, 1);
    $pass .= $tmp;
  }
  return $pass;
}