generate_install_key.php

<?php
ini_set('memory_limit', -1);
$SYSTEM_ROOT = '';

if ((php_sapi_name() == 'cli')) {
    if (isset($_SERVER['argv'][1])) {
        $SYSTEM_ROOT = $_SERVER['argv'][1];
    }

    $err_msg = "ERROR: You need to supply the path to the System Root as the first argument\n";

} else {
    if (isset($_GET['SYSTEM_ROOT'])) {
        $SYSTEM_ROOT = $_GET['SYSTEM_ROOT'];
    }

    $err_msg = '
    <div style="background-color: red; color: white; font-weight: bold;">
        You need to supply the path to the System Root as a query string variable called SYSTEM_ROOT
    </div>
    ';
}

if (empty($SYSTEM_ROOT)) {
    $err_msg .= "Usage: php install/step_02.php <PATH_TO_MATRIX>\n";
    echo $err_msg;
    exit();
}

if (!is_dir($SYSTEM_ROOT) || !is_readable($SYSTEM_ROOT.'/core/include/init.inc')) {
    $err_msg = "ERROR: Path provided doesn't point to a Matrix installation's System Root. Please provide correct path and try again.\n";
    $err_msg .= "Usage: php install/step_02.php <PATH_TO_MATRIX>\n";
    echo $err_msg;
    exit();
}

if (!defined('SQ_SYSTEM_ROOT')) {
    define('SQ_SYSTEM_ROOT',  $SYSTEM_ROOT);
}
require_once $SYSTEM_ROOT.'/core/include/init.inc';
require_once $SYSTEM_ROOT.'/install/install.inc';
require_once SQ_FUDGE_PATH.'/general/file_system.inc';

echo 'Generating install key...'."\n";

$GLOBALS['SQ_SYSTEM']->setRunLevel(SQ_RUN_LEVEL_FORCED);
$install_key = generate_install_key(TRUE);
$GLOBALS['SQ_SYSTEM']->restoreRunLevel();

if (is_null($install_key)) {
    echo 'Could not generate an install key because the main.inc file was not found or is not accessible'."\n";
} else {
    echo 'Your system\'s install key is [ '.$install_key.' ]'."\n";
}
?>