Random Password Generator

random_password.php

    // Random Password Generator
    function _RandomPasswordGenerator() {
        // Create the meta-password
        $sMetaPassword = "";

        $CONFIG['security']['password_generator'] = array("C" => array('characters' =>
            'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', 'minimum' => 4,
            'maximum' => 6), "S" => array('characters' => "!@()-_=+?*^&", 'minimum' => 0,
            'maximum' => 0), "N" => array('characters' => '1234567890', 'minimum' => 2,
            'maximum' => 2));

        $ahPasswordGenerator = $CONFIG['security']['password_generator'];
        foreach ($ahPasswordGenerator as $cToken => $ahPasswordSeed)
            $sMetaPassword .= str_repeat($cToken, rand($ahPasswordSeed['minimum'], $ahPasswordSeed['maximum']));

        $sMetaPassword = str_shuffle($sMetaPassword);

        // Create the real password
        $arBuffer = array();
        for ($i = 0; $i < strlen($sMetaPassword); $i++)
            $arBuffer[] = $ahPasswordGenerator[(string )$sMetaPassword[$i]]['characters'][rand(0,
                strlen($ahPasswordGenerator[$sMetaPassword[$i]]['characters']) - 1)];

        return implode("", $arBuffer);
    }