53     public $pools = [  variable in helper_plugin_passpolicy
141         $pools = [];
143             if ($on) $pools[] = $lang['pools_' . $pool];
151 …         $text .= sprintf($this->getLang('pools'), $this->min_pools, implode(', ', $pools)) . "\n";
261             $pool_len = strlen($this->pools[$pool]);
262             $output .= $this->pools[$pool][$this->rand(0, $pool_len - 1)]; // add one char already
263             $characters .= $this->pools[$pool]; // add to full pool
269             $pool_len = strlen($this->pools['special']);
274                 $output .= $this->pools['special'][$this->rand(0, $pool_len - 1)];
324             $spec_len = strlen($this->pools['special']);
325             $postfix .= $this->pools['special'][random_int(0, $spec_len - 1)];
366             $spec_len = strlen($this->pools['special']);
367             $prefix .= $this->pools['special'][random_int(0, $spec_len - 1)];