original_string: public function generate()
      {
          $elts = array(
              uniqid(),
              mt_rand(),
              getmypid(),
              spl_object_hash($this)
          );
          if (function_exists('zend_thread_id')) {
              $elts[] = zend_thread_id();
          }
          if (function_exists('sys_getloadavg') &&
              ($loadavg = sys_getloadavg())) {
              $elts = array_merge($elts, $loadavg);
          }
          if (function_exists('memory_get_usage')) {
              $elts[] = memory_get_usage();
              $elts[] = memory_get_peak_usage();
          }
  
          shuffle($elts);
  
          /* Base64 can have /, +, and = characters. Restrict to URL-safe
           * characters. */
          return substr(str_replace(
              array('/', '+', '='),
              array('-', '_', ''),
              base64_encode(hash('sha1', serialize($elts), true))
          ), 0, 23);
      }
code: public function generate()
      {
          $elts = array(
              uniqid(),
              mt_rand(),
              getmypid(),
              spl_object_hash($this)
          );
          if (function_exists('zend_thread_id')) {
              $elts[] = zend_thread_id();
          }
          if (function_exists('sys_getloadavg') &&
              ($loadavg = sys_getloadavg())) {
              $elts = array_merge($elts, $loadavg);
          }
          if (function_exists('memory_get_usage')) {
              $elts[] = memory_get_usage();
              $elts[] = memory_get_peak_usage();
          }
  
          shuffle($elts);
  
          /* Base64 can have /, +, and = characters. Restrict to URL-safe
           * characters. */
          return substr(str_replace(
              array('/', '+', '='),
              array('-', '_', ''),
              base64_encode(hash('sha1', serialize($elts), true))
          ), 0, 23);
      }
code_tokens: public function generate ( ) { $ elts = array ( uniqid ( ) , mt_rand ( ) , getmypid ( ) , spl_object_hash ( $ this ) ) ; if ( function_exists ( 'zend_thread_id' ) ) { $ elts [ ] = zend_thread_id ( ) ; } if ( function_exists ( 'sys_getloadavg' ) && ( $ loadavg = sys_getloadavg ( ) ) ) { $ elts = array_merge ( $ elts , $ loadavg ) ; } if ( function_exists ( 'memory_get_usage' ) ) { $ elts [ ] = memory_get_usage ( ) ; $ elts [ ] = memory_get_peak_usage ( ) ; } shuffle ( $ elts ) ; /* Base64 can have /, +, and = characters. Restrict to URL-safe
           * characters. */ return substr ( str_replace ( array ( '/' , '+' , '=' ) , array ( '-' , '_' , '' ) , base64_encode ( hash ( 'sha1' , serialize ( $ elts ) , true ) ) ) , 0 , 23 ) ; }
docstring: Generate a random ID.
docstring_tokens: Generate a random ID .